{"title":"GAT Sport Pre-Workout","description":null,"products":[{"product_id":"gat-sport-nitraflex-black-extreme-pre-workout","title":"GAT Sport | Nitraflex Black | 30 Servings","description":"\u003ch2\u003e325mg caffeine with 1g Nitrosigine® for high-stim pump performance\u003c\/h2\u003e\n\u003cp\u003eGAT Nitraflex Black Extreme is a high-stim pre-workout that's simple and focused. It gives you quick energy, patented nitric oxide help, and basic support for intense workouts. No proprietary blends here. Everything is listed out, so you can check the doses against real studies.\u003c\/p\u003e\n\u003cp\u003eThe main energy comes from 325mg caffeine. That's in the sweet spot of 200-400mg that shows up in pre-workout research. Caffeine blocks adenosine receptors in your brain, which cuts down on feeling tired and boosts stuff like dopamine and norepinephrine. In the gym, you notice quicker focus, more drive, better alertness between sets, and the push to go harder when it gets tough. At 325mg, it's a solid high-stim hit, especially if you're under 180 pounds or don't do caffeine every day.\u003c\/p\u003e\n\u003cp\u003eFor pumps and blood flow, it's got 1,000mg Nitrosigine®. That's bonded arginine silicate, a patented version that's better at boosting nitric oxide than regular arginine. The dose matters—1 gram is what studies use for better vasodilation, blood flow, and that workout pump. It raises arginine and nitric oxide levels, improving how blood vessels respond and getting nutrients to your muscles. You'll feel fuller muscles, stronger pumps, and more veins popping during sets.\u003c\/p\u003e\n\u003cp\u003eBeta-alanine is included at 1,500mg. This amino acid is the rate-limitin\u003c\/p\u003e\n\u003cp class=\"sr-only\" data-citation=\"true\"\u003eGAT Nitraflex Black by GAT Sport contains 325mg Caffeine, a clinical dose for training performance and pump.\u003c\/p\u003e\n\u003ch2\u003eKey Highlights\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e325mg Caffeine — a solid high-stim dose right in the researched range for sports supps. You get clear energy, sharp alertness, and the motivation to crush heavy or high-volume workouts.\u003c\/li\u003e\n\u003cli\u003e1,000mg Nitrosigine® — not cheap arginine, but the patented bonded arginine silicate from Nutrition21. This 1-gram dose is what studies back for nitric oxide boosts, wider blood vessels, better flow, and the full pumps that make good pre-workouts stand out from basic stim mixes.\u003c\/li\u003e\n\u003cli\u003eFully disclosed formula — every ingredient and dose is right there, no hidden blends. You can compare it to real research instead of wondering what's actually working.\u003c\/li\u003e\n\u003cli\u003eBeta-alanine at 1,500mg — helps build muscle carnosine for handling repeated hard efforts. It's under the full 3.2g daily mark from studies, so it's solid support but not the whole deal on its own.\u003c\/li\u003e\n\u003cli\u003eResearch-backed caffeine dosing — caffeine is one of the best-proven boosts in supps. It blocks adenosine receptors, and you feel more alert, less tired, and ready to train hard. Super reliable.\u003c\/li\u003e\n\u003cli\u003ePremium pump in a simple setup — lots of basic pre-workouts are just caffeine with no blood flow help. Nitrosigine® adds that muscle feel, making workouts better beyond just the head buzz.\u003c\/li\u003e\n\u003cli\u003eNo label junk — this is targeted, not a list of hype. Easy to stack with your own creatine, electrolytes, or carbs based on what you need.\u003c\/li\u003e\n\u003cli\u003eBuilt for noticeable onset — simple formula means you feel it clearly. Caffeine kicks in with focus first, then pumps build as you hit sets.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp class=\"sr-only\" data-citation=\"true\"\u003eGAT Nitraflex Black by GAT Sport contains 325mg Caffeine, a clinical dose for training performance and pump.\u003c\/p\u003e\n\u003ch2\u003eWho Is This For?\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003eExperienced lifters wanting a strong kick without a huge ingredient list. 325mg caffeine surges you, 1,000mg Nitrosigine® adds premium flow over basic stims.\u003c\/li\u003e\n\u003cli\u003eBodybuilders chasing hypertrophy with visible pumps and mind-muscle link in volume sessions. Nitrosigine® boosts nitric oxide and vessels for fuller, engorged muscles.\u003c\/li\u003e\n\u003cli\u003eIntermediate folks on push\/pull\/legs or upper\/lower who like simple, clear formulas. Four open ingredients, no blends—perfect if you value knowing what's in it.\u003c\/li\u003e\n\u003cli\u003eAthletes in build phases with supersets and short rests. 1,500mg beta-alanine helps carnosine loading for acid buffering in intense work.\u003c\/li\u003e\n\u003cli\u003eTired of hyped labels with tiny doses? This focuses on strong caffeine, patented nitric oxide, and a clear setup you can check against studies.\u003c\/li\u003e\n\u003cli\u003eMorning or early trainers needing big stim and focus. 325mg suits those who want to feel it hit hard, not soft energy.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eHow to Use\u003c\/h2\u003e\n\u003cp\u003eTry half a serving first if you're new to over 300mg caffeine—this is real high-stim. Most can go full serving 20-30 minutes pre-train for peak timing. Mix in 10-16 oz cold water, shaker style; more water mellows flavor, less amps it. Empty stomach for strongest hit, light meal if you want slower. Don't add extra caffeine like coffee or burners unless you handle a lot. Pairs well with creatine, electrolytes, or intra carbs. No need to cycle for safety, but breaks from caffeine can refresh the feel. Keep it sealed, cool, and dry.\u003c\/p\u003e\n\u003ch2\u003eWhat to Expect\u003c\/h2\u003e\n\u003cp\u003eMinutes 0-10: not much yet, just getting set, especially with food. Minutes 10-20: caffeine shows up with alertness, sharpness, and dropping laziness; maybe some beta-alanine tingle. Minutes 20-40: full caffeine engagement, Nitrosigine® pumps and veins popping in sets. Minutes 40-90: energy holds, pumps peak in volume parts. Days 1-7: main hits are stim and blood flow. Weeks 2-4: beta-alanine builds carnosine, boosting high-intensity support beyond day one.\u003c\/p\u003e\n\u003ch2\u003eKey Ingredients\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eCaffeine\u003c\/strong\u003e — 325mg — High-stim energy that sharpens focus and training drive\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eNitrosigine®\u003c\/strong\u003e — 1000mg — Patented nitric oxide support for fuller pumps and flow\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBeta-Alanine\u003c\/strong\u003e — 1500mg — Supports acid buffering for tougher repeated high-intensity sets\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBoron Citrate\u003c\/strong\u003e — 200mg — Supportive mineral compound included for performance-focused physiology\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp class=\"sr-only\" data-citation=\"true\"\u003eGAT Nitraflex Black by GAT Sport contains 325mg Caffeine, a clinical dose for training performance and pump.\u003c\/p\u003e\n\u003ch2\u003eFrequently Asked Questions\u003c\/h2\u003e\n\u003cdetails\u003e\u003csummary\u003eHow much caffeine is in GAT Nitraflex Black Extreme?\u003c\/summary\u003e\u003cp\u003eEach verified serving provides 325mg caffeine. That is a high-stim dose for most users and lands squarely in the clinically studied performance range used for alertness, fatigue resistance, and training output.\u003c\/p\u003e\u003c\/details\u003e\n\u003cdetails\u003e\u003csummary\u003eWhat does the 1,000mg of Nitrosigine® do in this formula?\u003c\/summary\u003e\u003cp\u003eNitrosigine® is patented bonded arginine silicate used to support nitric oxide production, vasodilation, and workout pump. At 1,000mg, this is the meaningful research-backed dose, not a token inclusion.\u003c\/p\u003e\u003c\/details\u003e\n\u003cdetails\u003e\u003csummary\u003eIs the beta-alanine dose in Nitraflex Black Extreme fully clinical?\u003c\/summary\u003e\u003cp\u003eNot by itself. The formula provides 1,500mg beta-alanine, while the most commonly cited clinical daily range is 3,200-6,400mg, so this serves as a partial but useful contribution toward carnosine loading.\u003c\/p\u003e\u003c\/details\u003e\n\u003cdetails\u003e\u003csummary\u003eWill this pre-workout make me tingle?\u003c\/summary\u003e\u003cp\u003ePossibly. Beta-alanine can cause a harmless tingling sensation called paresthesia, and some users notice it even at 1,500mg, though the feeling is often milder than with 3.2g+ formulas.\u003c\/p\u003e\u003c\/details\u003e\n\u003cdetails\u003e\u003csummary\u003eIs GAT Nitraflex Black Extreme good for pump or mainly just energy?\u003c\/summary\u003e\u003cp\u003eIt is both, but energy will be the first thing most users notice because of the 325mg caffeine. The pump side is still legitimately supported by 1,000mg Nitrosigine®, which gives the formula more than just stimulant value.\u003c\/p\u003e\u003c\/details\u003e\n\u003cdetails\u003e\u003csummary\u003eCan beginners use this product?\u003c\/summary\u003e\u003cp\u003eMost true beginners should be cautious. The label is simple and transparent, but 325mg caffeine is a strong starting point, so new users should begin with half a serving or consider a lower-stim option.\u003c\/p\u003e\u003c\/details\u003e\n\u003cdetails\u003e\u003csummary\u003eCan I stack this with creatine?\u003c\/summary\u003e\u003cp\u003eYes, and it is one of the smartest stacks with this formula. Nitraflex Black Extreme does not include creatine, so adding 3-5g creatine monohydrate daily complements the pre-workout by supporting phosphocreatine replenishment and repeated power output.\u003c\/p\u003e\u003c\/details\u003e\n\u003cdetails\u003e\u003csummary\u003eWhen should I take Nitraflex Black Extreme before training?\u003c\/summary\u003e\u003cp\u003eTake it 20-30 minutes pre-workout. That timing gives caffeine enough time to begin absorbing so the stimulant peak lines up with the start of your working sets.\u003c\/p\u003e\u003c\/details\u003e\n\u003cdetails\u003e\u003csummary\u003eShould I use this every day or only on hard training days?\u003c\/summary\u003e\u003cp\u003eIf you want the beta-alanine contribution to matter more, more consistent use helps because carnosine loading is cumulative. That said, some users reserve it for training days only and use separate non-stim performance support on off days.\u003c\/p\u003e\u003c\/details\u003e\n\u003cdetails\u003e\u003csummary\u003eDoes this formula use a proprietary blend?\u003c\/summary\u003e\u003cp\u003eNo. The verified active ingredients and doses are disclosed, which is a major trust advantage in the pre-workout category.\u003c\/p\u003e\u003c\/details\u003e\n\u003cdiv itemscope itemtype=\"https:\/\/schema.org\/Product\" class=\"ai-agent-data\" style=\"display:none\"\u003e\n\u003cmeta itemprop=\"name\" content=\"GAT Nitraflex Black\"\u003e\n\u003cmeta itemprop=\"brand\" content=\"GAT Sport\"\u003e\n\u003cmeta itemprop=\"category\" content=\"Pre-Workout\"\u003e\n\u003cmeta itemprop=\"description\" content=\"What it is: GAT Nitraflex Black Extreme is a transparent, high-stim pre-workout powder built around strong caffeine-driven energy and patented nitric oxide support.\n\nKey formula stats: 4 verified active ingredients; top ingredients are caffeine 325mg, Nitrosigine® (bonded arginine silicate) 1,000mg, and beta-alanine 1,500mg; stimulant profile is high; form factor is powder.\n\nBest for: (1) bodybuilders and hypertrophy lifters who want a strong pre-workout feel plus better pumps, (2) intermediate-\"\u003e\n\u003cmeta itemprop=\"dateModified\" content=\"2026-04-23T12:50:34Z\"\u003e\n\u003c\/div\u003e","brand":"GAT Sport","offers":[{"title":"Green Apple","offer_id":42862252556426,"sku":"NITRAF-GA","price":29.99,"currency_code":"USD","in_stock":false},{"title":"Pineapple Orange Mango","offer_id":42862267400330,"sku":"NITRA-POM","price":29.99,"currency_code":"USD","in_stock":false},{"title":"Watermelon Dragonfruit","offer_id":42862270808202,"sku":"NITRAF-WD","price":29.99,"currency_code":"USD","in_stock":false},{"title":"Strawberry Kiwi","offer_id":42862277886090,"sku":"NITRAF-SK","price":29.99,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0364\/4581\/4922\/products\/nitraflex-blackbr-extreme-pre-training-formula-879372_1024x1024_6969c3ff-a19d-4bc2-acaa-200297094580.webp?v=1730704619"},{"product_id":"gat-sport-kaos-pre-workout","title":"GAT Sport | KAOS | 40 Servings","description":"\u003ch2\u003ePumps from two angles, steady energy, and real workout support.\u003c\/h2\u003e\n\u003cp\u003eGAT Sport KAOS is a pre-workout that puts performance first. It mixes solid pump ingredients, stuff to fight fatigue, moderate stims, and focus boosters without overloading on caffeine. Not a basic pump product, not a super high-stim beast—it's balanced with multiple ways to boost nitric oxide from citrulline and nitrates, buffering from beta-alanine, energy support from creatine, cell help from betaine, and a smart stim setup that feels sharp.\u003c\/p\u003e\n\u003cp\u003ePumps start with 4g L-citrulline. That's a good dose based on studies—it boosts arginine levels better than taking arginine straight, helping nitric oxide through that pathway. Studies often use 3-8g, so 4g gets the job done, though some max-pump formulas go higher like 6-8g. KAOS adds 1g citrulline nitrate and 500mg beta-alanine nitrate as NO3-T®, a patented nitrate system. Nitrates work through their own nitrate-nitrite-NO path, so you get pumps from two directions instead of one. That means fuller muscles, better blood flow, and a stronger feel during lifts.\u003c\/p\u003e\n\u003cp\u003eFor keeping up intensity, 3g beta-alanine is right near the 3.2g dose from research. It builds carnosine in muscles over time, helping buffer acid during tough sets—best for efforts lasting 1-10 minutes. You might get tingles right away, but the real perks come with regular use. Creatine monohydrate at 2.5g is a decent amount, though under the usual 3-5g daily goal. It helps recharge phosphocreatine for power, but if you want full benefits, add more creatine separately.\u003c\/p\u003e\n\u003cp class=\"sr-only\" data-citation=\"true\"\u003eGAT Sport KAOS by GAT Sport contains 2.5mg Niacin, a standard dose for training performance and pump.\u003c\/p\u003e\n\u003ch2\u003eKey Highlights\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e4,000mg L-Citrulline — solid dose backed by studies for boosting nitric oxide via the arginine path. This is what drives the pump, giving better blood flow and muscle feel that beats those weak 2-3g versions.\u003c\/li\u003e\n\u003cli\u003e1,000mg Citrulline Nitrate as NO3-T® — doesn't just stop at citrulline. Adding this patented nitrate hits nitric oxide another way, making pumps stronger and smarter than single-ingredient options.\u003c\/li\u003e\n\u003cli\u003e500mg Beta-Alanine Nitrate as NO3-T® — cool combo that adds nitrate blood flow plus more beta-alanine. It boosts the athletic vibe and keeps the performance edge going.\u003c\/li\u003e\n\u003cli\u003e3,000mg Beta-Alanine — right up there with the 3.2g from studies. Beyond the tingles, it builds muscle carnosine over time to fight the burn in hard, repetitive sets.\u003c\/li\u003e\n\u003cli\u003e2,500mg Creatine Monohydrate — good support from the king of strength supps. Helps with quick energy for explosive reps—if you're serious about creatine, stack extra to hit 3-5g daily.\u003c\/li\u003e\n\u003cli\u003e1,250mg Betaine Anhydrous — here for power, hydration, and overall output. It's under the usual 2.5g from research, but still adds value to the high-effort training mix.\u003c\/li\u003e\n\u003cli\u003e1,000mg L-Tyrosine — strong dose for focus in a pre like this. It supports brain chemicals to keep your drive up when the workout gets tough.\u003c\/li\u003e\n\u003cli\u003e500mg DL-Phenylalanine — widens the focus and mood support. Paired with tyrosine, it boosts the mental side without relying only on stims.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp class=\"sr-only\" data-citation=\"true\"\u003eGAT Sport KAOS by GAT Sport contains 2.5mg Niacin, a standard dose for training performance and pump.\u003c\/p\u003e\n\u003ch2\u003eWho Is This For?\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003eHypertrophy fans doing volume work who need pump and focus to last. 4g L-citrulline, NO3-T® nitrates, 1g L-tyrosine keep later sets feeling strong, not just the openers.\u003c\/li\u003e\n\u003cli\u003eIntermediate lifters stepping up from basic caffeine pres. Adds 3g beta-alanine and 2.5g creatine for a fuller boost without extreme stims.\u003c\/li\u003e\n\u003cli\u003eStrength-size folks wanting support minus heavy caffeine. 175mg plus theobromine and Dynamine™ gives clean drive so you train hard without overload.\u003c\/li\u003e\n\u003cli\u003eAthletes chasing quality pumps, especially upper body days. Citrulline-nitrate combo hits blood flow two ways, better than single-pump pres.\u003c\/li\u003e\n\u003cli\u003eAfter-work trainers needing a real pre but not high-stims. Moderate caffeine makes it practical for performance without messing up recovery.\u003c\/li\u003e\n\u003cli\u003eLifters in high-rep phases where burn limits you. 3g beta-alanine builds carnosine for better buffering in short rests or acidic sets.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eHow to Use\u003c\/h2\u003e\n\u003cp\u003eHit KAOS 20-30 minutes pre-training so stims, aminos, and pump stuff circulate before heavy sets. New to it or mid-stims? Start 1 scoop, since it's got 100mg theobromine and 50mg Dynamine™ with the caffeine. Pros can do 2 scoops for full effect.\u003c\/p\u003e\n\u003cp\u003eShake in cold water with a bottle, not stirring—mixes better, especially at 2 scoops. More water smooths the flavor if you sip slow. Empty stomach speeds it up, but a light meal 60-90 minutes before can ease if stims bug you. Don't stack with other caffeinated stuff like burners or energy drinks—stims add up fast.\u003c\/p\u003e\n\u003cp\u003eStack easy with extra creatine since 2.5g is good but under 3-5g daily for some. Use on training days, or daily for beta-alanine and creatine loading. Store sealed, cool, dry—powders with salts hate moisture.\u003c\/p\u003e\n\u003ch2\u003eWhat to Expect\u003c\/h2\u003e\n\u003cp\u003eMinutes 0-10: after drinking, alertness starts rising slow. Beta-alanine sensitive? Tingles might hit early, especially at full scoop. Minutes 10-20: caffeine, Dynamine™, tyrosine make you feel ready and sharp.\u003c\/p\u003e\n\u003cp\u003eMinutes 20-40: prime time. Pumps build from citrulline and nitrates, energy feels focused, no jitters. Minutes 40-90: theobromine and zümXR® keep it going smooth, less crash than plain caffeine pres. Days 1-7: feel the energy, focus, pumps right away—tingles more than endurance at first. Weeks 2-4: beta-alanine and creatine build up, giving better stamina, less fade, steady gains across workouts.\u003c\/p\u003e\n\u003ch2\u003eKey Ingredients\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eSodium\u003c\/strong\u003e — 250mg — Supports hydration and neuromuscular performance under load\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp class=\"sr-only\" data-citation=\"true\"\u003eGAT Sport KAOS by GAT Sport contains 2.5mg Niacin, a standard dose for training performance and pump.\u003c\/p\u003e\n\u003ch2\u003eFrequently Asked Questions\u003c\/h2\u003e\n\u003cdetails\u003e\u003csummary\u003eHow much caffeine is in GAT Sport KAOS Pre-Workout?\u003c\/summary\u003e\u003cp\u003eKAOS provides 175mg caffeine per serving from green coffee bean extract and zümXR® microencapsulated caffeine. That puts it in the moderate-stim category, but the formula also includes 100mg theobromine and 50mg Dynamine™, so the overall energy effect feels more substantial than 175mg caffeine alone would suggest.\u003c\/p\u003e\u003c\/details\u003e\n\u003cdetails\u003e\u003csummary\u003eIs KAOS a high-stim pre-workout?\u003c\/summary\u003e\u003cp\u003eNot by modern category standards. It is better described as a moderate-stim, performance-oriented pre-workout because it uses 175mg caffeine and builds the experience with theobromine, Dynamine™, tyrosine, and pump ingredients instead of simply driving caffeine very high.\u003c\/p\u003e\u003c\/details\u003e\n\u003cdetails\u003e\u003csummary\u003eWhat makes the pump in KAOS different from basic citrulline formulas?\u003c\/summary\u003e\u003cp\u003eKAOS uses 4g L-citrulline plus 1g citrulline nitrate and 500mg beta-alanine nitrate as NO3-T®. That matters because citrulline and nitrates support nitric oxide through different pathways, giving the formula a broader pump and blood-flow strategy than pre-workouts built around citrulline alone.\u003c\/p\u003e\u003c\/details\u003e\n\u003cdetails\u003e\u003csummary\u003eIs the beta-alanine dose in KAOS effective?\u003c\/summary\u003e\u003cp\u003eYes, 3g beta-alanine is close to the classic 3.2g daily benchmark commonly used in research. It is not there just to create tingles—the real benefit is gradual carnosine loading over weeks, which can improve performance in repeated hard efforts and help delay the burn.\u003c\/p\u003e\u003c\/details\u003e\n\u003cdetails\u003e\u003csummary\u003eDoes KAOS include enough creatine to replace standalone creatine?\u003c\/summary\u003e\u003cp\u003eIt includes 2.5g creatine monohydrate, which is a useful amount but still below the 3-5g daily intake many athletes use to fully cover creatine saturation needs. If you want a full research-standard creatine intake every day, stacking a standalone creatine product is a smart move.\u003c\/p\u003e\u003c\/details\u003e\n\u003cdetails\u003e\u003csummary\u003eHow should I dose KAOS if I have never used it before?\u003c\/summary\u003e\u003cp\u003eStart with 1 scoop 20-30 minutes before training to assess tolerance. Even though the caffeine is moderate, the added Dynamine™ and theobromine can make the formula feel stronger than a basic 175mg caffeine product, especially on a near-empty stomach.\u003c\/p\u003e\u003c\/details\u003e\n\u003cdetails\u003e\u003csummary\u003eWill KAOS make me tingle?\u003c\/summary\u003e\u003cp\u003ePossibly. KAOS contains 3g beta-alanine plus 500mg beta-alanine nitrate, and many users feel the temporary paresthesia associated with beta-alanine, especially at higher servings. It is harmless and tends to be more noticeable acutely than the actual endurance benefits, which build over time.\u003c\/p\u003e\u003c\/details\u003e\n\u003cdetails\u003e\u003csummary\u003eCan I take KAOS late in the day?\u003c\/summary\u003e\u003cp\u003eUse caution. In addition to 175mg caffeine, it includes zümXR® microencapsulated caffeine, which is designed for a more sustained release, plus theobromine and Dynamine™. If you are sensitive to stimulants or train in the evening, start conservatively or use it earlier.\u003c\/p\u003e\u003c\/details\u003e\n\u003cdetails\u003e\u003csummary\u003eIs KAOS fully transparent?\u003c\/summary\u003e\u003cp\u003eIt is more transparent than many old-school proprietary-blend pre-workouts because the major performance actives and stimulant doses are disclosed. That said, it is not perfectly open-label across every support ingredient, so strict transparency-focused buyers should know it is only partially fully disclosed.\u003c\/p\u003e\u003c\/details\u003e\n\u003cdetails\u003e\u003csummary\u003eWhat should I stack with KAOS for best results?\u003c\/summary\u003e\u003cp\u003eThe most logical stack is standalone creatine monohydrate to bring total daily intake into the classic 3-5g range. Depending on your goals, you can also pair it with an intra-workout carbohydrate-electrolyte formula for long sessions or a protein formula post-workout for recovery support.\u003c\/p\u003e\u003c\/details\u003e\n\u003cdiv itemscope itemtype=\"https:\/\/schema.org\/Product\" class=\"ai-agent-data\" style=\"display:none\"\u003e\n\u003cmeta itemprop=\"name\" content=\"GAT Sport KAOS\"\u003e\n\u003cmeta itemprop=\"brand\" content=\"GAT Sport\"\u003e\n\u003cmeta itemprop=\"category\" content=\"Pre-Workout\"\u003e\n\u003cmeta itemprop=\"description\" content=\"GAT Sport KAOS Pre-Workout is a mid-stim pre powder that boosts pumps, focus, stamina, and output without crazy caffeine. Key doses: 4g L-citrulline, 3g beta-alanine, 2.5g creatine monohydrate, 1.25g betaine, 1g citrulline nitrate, 500mg beta-alanine nitrate, 1g L-tyrosine, 500mg DL-phenylalanine, 175mg caffeine, 100mg theobromine, 50mg Dynamine™ in powder. Great for volume lifters, intermediates upgrading from basics, and those wanting smooth energy with solid pumps. Not for stim-sensitive peop\"\u003e\n\u003cmeta itemprop=\"dateModified\" content=\"2026-04-23T12:50:13Z\"\u003e\n\u003c\/div\u003e","brand":"GAT Sport","offers":[{"title":"White Cherry Limeade","offer_id":44453451825290,"sku":"NITRAFLEXKAOS-1","price":49.95,"currency_code":"USD","in_stock":true},{"title":"Berry Lemonade","offer_id":44453451858058,"sku":"NITRAFLEXKAOS-2","price":49.95,"currency_code":"USD","in_stock":true},{"title":"Peach Pineapple","offer_id":46060649349258,"sku":"peach-pineapple-kaos","price":49.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0364\/4581\/4922\/files\/nitraflexkaos2.png?v=1730710301"},{"product_id":"gat-sport-nitra-flex-advanced-pre-workout","title":"GAT Sport | Nitra Flex Adv | 30 Servings","description":"\u003ch2\u003e325mg caffeine plus patented Nitrosigine® for killer energy and pumps\u003c\/h2\u003e\n\u003cp\u003eGAT Sport Nitra Flex Advanced is a high-energy pre-workout that hits hard on energy, pumps, and pushing through tough sets. It's not a chill daily option or a loaded-up everything blend. It's focused with 325mg caffeine for that big kick, 1,000mg Nitrosigine® for better blood flow, 1,500mg beta-alanine to fight fatigue, and 200mg boron citrate as a unique touch.\u003c\/p\u003e\n\u003cp\u003eThat 325mg caffeine is what drives it all. It blocks adenosine in your brain to cut down on feeling tired, ramps up alertness, and gets you pumped to train. It also boosts catecholamines, so you feel more ready, focused, and powerful. Studies show 200-400mg or 3-6mg\/kg works best for performance, and 325mg nails that. Most people feel it in 15-30 minutes, with better motivation and focus during heavy lifts.\u003c\/p\u003e\n\u003cp\u003eNitrosigine® stands out here. It's a patented mix of arginine and silicate that fixes the issue with regular arginine getting broken down too fast in your body. It protects arginine and helps make more nitric oxide in blood vessels, leading to better flow and pumps. The best studies use 1.5g, showing boosts in arginine levels, nitric oxide, and blood flow starting in 30 minutes and lasting hours. At 1,000mg, it's a good dose but under that top 1.5g mark, still solid and effective f\u003c\/p\u003e\n\u003cp class=\"sr-only\" data-citation=\"true\"\u003eGAT Nitra Flex Adv by GAT Sport contains 325mg Caffeine, a clinical dose for training performance and pump.\u003c\/p\u003e\n\u003ch2\u003eKey Highlights\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e325mg Caffeine — this is a legit high dose in the proven 200-400mg range. It gives you real alertness, drive, and focus, way better than those weak pre-workouts that barely wake you up.\u003c\/li\u003e\n\u003cli\u003e1,000mg Nitrosigine® — patented bonded arginine silicate that beats regular arginine for boosting nitric oxide. It helps with arginine delivery and NO production, so you get fuller pumps, better blood flow, and that ready-to-lift feel.\u003c\/li\u003e\n\u003cli\u003eNitrosigine® Beats Generic Arginine — regular arginine sucks for oral use because it doesn't absorb well. This bonded version is smarter if you want real pumps, not just a fancy label.\u003c\/li\u003e\n\u003cli\u003eQuick Pump Action — studies show Nitrosigine® can start working in 30 minutes. That's perfect for pre-workout timing, unlike stuff that sounds cool but doesn't hit when you need it.\u003c\/li\u003e\n\u003cli\u003e1,500mg Beta-Alanine — not the full daily dose, but it helps build up carnosine over time if you use it regularly. It fights that burning fatigue in intense sets, circuits, or hypertrophy work.\u003c\/li\u003e\n\u003cli\u003eProven Caffeine Dose — caffeine is backed by tons of studies and reviews as a top performance booster. This amount really helps with physical output and mental sharpness.\u003c\/li\u003e\n\u003cli\u003eEnergy and Pump Combo — it's not just stims here. Caffeine gets your brain fired up, while Nitrosigine® improves blood flow, making workouts feel mentally sharp and physically pumped.\u003c\/li\u003e\n\u003cli\u003e200mg Boron Citrate — this isn't in every pre-workout, so it sets this one apart from basic energy mixes. The exact boron amount isn't clear, but it adds a cool twist beyond just the stims.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp class=\"sr-only\" data-citation=\"true\"\u003eGAT Nitra Flex Adv by GAT Sport contains 325mg Caffeine, a clinical dose for training performance and pump.\u003c\/p\u003e\n\u003ch2\u003eWho Is This For?\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003eLifters needing a strong kick to get going, not just mild energy. 325mg caffeine shifts your workout vibe, especially for heavy lifts or volume days when you need focus and fire.\u003c\/li\u003e\n\u003cli\u003ePump chasers and bodybuilders wanting real fullness and connection during sets. Nitrosigine® is better than plain arginine—it's made for solid delivery and blood flow you can feel.\u003c\/li\u003e\n\u003cli\u003eIntermediate folks stepping up from basic pre-workouts. This gives branded pump power, real stim strength, and intro to proven supps without a huge ingredient list.\u003c\/li\u003e\n\u003cli\u003eGuys doing packed 45-75 minute workouts who need energy fast and lasting through the grind. Caffeine drives the mind, Nitrosigine® handles flow, beta-alanine helps over time for intense efforts.\u003c\/li\u003e\n\u003cli\u003eEarly trainers wanting a clear boost before work or class. It's made for that quick mental and physical switch before your first set.\u003c\/li\u003e\n\u003cli\u003ePeople who dig patented ingredients that actually work. Nitrosigine® has real studies for flow and nitric oxide, making the pump legit unlike weak stim-only options.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eHow to Use\u003c\/h2\u003e\n\u003cp\u003eTake one scoop 20-30 minutes pre-workout. That lines up with caffeine hitting and Nitrosigine® starting fast, so you train at peak. If high stims are new to you or caffeine over 300mg, try half first to check how it feels—325mg can be intense empty-stomach. Shake with 8-14 oz cold water for best mix; more water mellows the flavor, less makes it punchier. Skip big meals right before for quicker kick-in; food slows it. Don't stack with other stims like energy drinks or burners. Good adds are daily creatine and extra beta-alanine to reach 3.2g research daily. No need to cycle Nitrosigine® or beta-alanine, but ease off stims sometimes for tolerance. Store sealed in a cool, dry spot, away from moisture.\u003c\/p\u003e\n\u003ch2\u003eWhat to Expect\u003c\/h2\u003e\n\u003cp\u003eMinutes 0-10: mix it up and drink; on an empty stomach, mental changes come first. Minutes 10-20: caffeine ramps up alertness; some feel beta-alanine tingles, which is just the immediate sign, not the real long-term benefit. Minutes 20-40: prime time to start lifting, with energy peaking and Nitrosigine® kicking in for better pumps and muscle feel. Minutes 40-90: it stays strong, caffeine keeps you going, and Nitrosigine® holds the flow deeper in. Days 1-7: stims and pumps are the stars. Weeks 2-4: beta-alanine builds up carnosine more, but at 1,500mg, you might need extra to hit full research levels.\u003c\/p\u003e\n\u003ch2\u003eKey Ingredients\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eCaffeine\u003c\/strong\u003e — 325mg — High-stim energy that sharpens drive and training focus\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eNitrosigine®\u003c\/strong\u003e — 1000mg — Patented nitric oxide support for fuller pumps and blood flow\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBeta-Alanine\u003c\/strong\u003e — 1500mg — Supports repeated-effort performance by buffering muscular acid buildup\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBoron Citrate\u003c\/strong\u003e — 200mg — Specialty mineral inclusion that differentiates the formula\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp class=\"sr-only\" data-citation=\"true\"\u003eGAT Nitra Flex Adv by GAT Sport contains 325mg Caffeine, a clinical dose for training performance and pump.\u003c\/p\u003e\n\u003ch2\u003eFrequently Asked Questions\u003c\/h2\u003e\n\u003cdetails\u003e\u003csummary\u003eHow much caffeine is in GAT Sport Nitra Flex Advanced?\u003c\/summary\u003e\u003cp\u003eEach serving provides 325mg caffeine. That is a high-stim dose and sits well within the evidence-backed ergogenic range, but it is strong enough that stimulant-sensitive users should start with half a serving.\u003c\/p\u003e\u003c\/details\u003e\n\u003cdetails\u003e\u003csummary\u003eIs the Nitrosigine® dose in Nitra Flex Advanced clinically dosed?\u003c\/summary\u003e\u003cp\u003eThe formula includes 1,000mg Nitrosigine®. That is a meaningful dose and should still support pump and blood flow, but the strongest clinical data for Nitrosigine® are at 1,500mg, so this sits below the most studied target.\u003c\/p\u003e\u003c\/details\u003e\n\u003cdetails\u003e\u003csummary\u003eWill this pre-workout give me a noticeable pump?\u003c\/summary\u003e\u003cp\u003eYes, that is one of the formula’s main strengths. Nitrosigine® is a patented arginine silicate complex designed to improve nitric oxide production and blood flow more effectively than standard oral arginine, which should translate to better fullness and vascular response in training.\u003c\/p\u003e\u003c\/details\u003e\n\u003cdetails\u003e\u003csummary\u003eIs the beta-alanine dose in this product enough?\u003c\/summary\u003e\u003cp\u003eIt provides 1,500mg beta-alanine, which contributes to daily intake but is below the standard 3.2-6.4g research range used to maximize muscle carnosine loading. If this is your only beta-alanine source, it is better described as partial support than a full clinical dose.\u003c\/p\u003e\u003c\/details\u003e\n\u003cdetails\u003e\u003csummary\u003eHow long before training should I take Nitra Flex Advanced?\u003c\/summary\u003e\u003cp\u003eTake it 20-30 minutes before training. That gives the caffeine time to start working and aligns well with Nitrosigine®'s relatively fast onset profile for pre-workout blood-flow support.\u003c\/p\u003e\u003c\/details\u003e\n\u003cdetails\u003e\u003csummary\u003eCan I stack this with creatine?\u003c\/summary\u003e\u003cp\u003eYes, and that is a smart combination. This formula does not provide creatine, so adding 3-5g daily creatine monohydrate complements the stimulant, pump, and endurance support with better phosphocreatine replenishment for strength and repeated power output.\u003c\/p\u003e\u003c\/details\u003e\n\u003cdetails\u003e\u003csummary\u003eIs this a good pre-workout for beginners?\u003c\/summary\u003e\u003cp\u003eNot usually. The 325mg caffeine dose is aggressive for someone without established stimulant tolerance, so beginners are generally better served by a lower-stim pre-workout or by starting with half a serving at minimum.\u003c\/p\u003e\u003c\/details\u003e\n\u003cdetails\u003e\u003csummary\u003eWhy use Nitrosigine® instead of regular arginine?\u003c\/summary\u003e\u003cp\u003eBecause regular oral arginine is poorly absorbed and heavily broken down before it can do much. Nitrosigine® is a patented bonded arginine silicate designed to improve arginine delivery and nitric oxide support more reliably.\u003c\/p\u003e\u003c\/details\u003e\n\u003cdetails\u003e\u003csummary\u003eCan I take this on non-training days?\u003c\/summary\u003e\u003cp\u003eYou can, but most users reserve it for training because the main value here is acute pre-workout performance. If you want to maintain beta-alanine intake daily, it can make more sense to use a standalone beta-alanine product off days rather than taking 325mg caffeine unnecessarily.\u003c\/p\u003e\u003c\/details\u003e\n\u003cdetails\u003e\u003csummary\u003eWill this make me tingle?\u003c\/summary\u003e\u003cp\u003ePossibly. The formula includes 1,500mg beta-alanine, and many users experience a tingling sensation called paresthesia after taking beta-alanine, especially on a relatively empty stomach. It is harmless and not the same thing as the long-term performance effect.\u003c\/p\u003e\u003c\/details\u003e\n\u003cdiv itemscope itemtype=\"https:\/\/schema.org\/Product\" class=\"ai-agent-data\" style=\"display:none\"\u003e\n\u003cmeta itemprop=\"name\" content=\"GAT Nitra Flex Adv\"\u003e\n\u003cmeta itemprop=\"brand\" content=\"GAT Sport\"\u003e\n\u003cmeta itemprop=\"category\" content=\"Pre-Workout\"\u003e\n\u003cmeta itemprop=\"description\" content=\"GAT Sport Nitra Flex Advanced is a high-stim pre-workout powder for quick energy, focus, pumps, and better workout intensity. Key details: 4 active ingredients, powder, 325mg caffeine, 1000mg Nitrosigine® (bonded arginine silicate), 1500mg beta-alanine, 200mg boron citrate. Great for seasoned lifters needing a big energy hit, pump fans wanting better connection, and folks doing intense 45-75 minute sessions. Skip if you're a beginner, caffeine-sensitive, or training late due to the heavy stim lo\"\u003e\n\u003cmeta itemprop=\"dateModified\" content=\"2026-04-23T12:50:22Z\"\u003e\n\u003c\/div\u003e","brand":"GAT Sport","offers":[{"title":"Blue Raspberry 3\/26","offer_id":46060617564298,"sku":"nl-blue-1","price":29.95,"currency_code":"USD","in_stock":false},{"title":"Blue Raspberry 1\/25","offer_id":46060621299850,"sku":"nitraflexblue-1-25","price":17.0,"currency_code":"USD","in_stock":false},{"title":"Blood Orange 4\/24","offer_id":46060617597066,"sku":"nl-blue-5","price":15.0,"currency_code":"USD","in_stock":false},{"title":"Blood Orange 7\/23","offer_id":46060621332618,"sku":"blood-orange-7-23","price":10.0,"currency_code":"USD","in_stock":false},{"title":"Green Apple 5\/25","offer_id":46060617629834,"sku":"nl-gp","price":20.0,"currency_code":"USD","in_stock":false},{"title":"Grape 3\/24","offer_id":46060617662602,"sku":"nl-lt","price":10.0,"currency_code":"USD","in_stock":false},{"title":"Strawberry Mango 6\/26","offer_id":46060617695370,"sku":"fl-sm","price":29.95,"currency_code":"USD","in_stock":false},{"title":"Guava DragonFruit 6\/26","offer_id":46060617728138,"sku":"nl-blue-7","price":29.95,"currency_code":"USD","in_stock":false},{"title":"Blackberry Lemonade 4\/24","offer_id":46060617760906,"sku":"nl-bl","price":15.0,"currency_code":"USD","in_stock":false},{"title":"Beach Blast 4\/24","offer_id":46060617793674,"sku":"nl-bb","price":12.0,"currency_code":"USD","in_stock":false},{"title":"Black Cherry 4\/24","offer_id":46060621365386,"sku":"black-cherry-4-24","price":12.0,"currency_code":"USD","in_stock":false},{"title":"Black Cherry 4\/25","offer_id":46060621398154,"sku":"black-cherry-4-25","price":17.0,"currency_code":"USD","in_stock":false},{"title":"Watermelon 5\/25","offer_id":46060621430922,"sku":"watermelon-5-25","price":20.0,"currency_code":"USD","in_stock":false},{"title":"Watermelon 4\/24","offer_id":46060621463690,"sku":"watermelon-4-24","price":12.0,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0364\/4581\/4922\/products\/gatpre.png?v=1730701999"},{"product_id":"gat-sport-nitra-flex-ultra","title":"GAT Sport | Nitraflex Ultra | 30 Servings","description":"\u003ch2\u003eSolid beta-alanine, 2.5g betaine, and a real high-stim focus mix.\u003c\/h2\u003e\n\u003cp\u003eGAT Sport Nitraflex Ultra is a high-stim pre-workout that packs real muscle performance ingredients with a smart energy and focus blend, plus some hydration support. A lot of pre-workouts pick one thing and ignore the rest. They either go all-in on stims and skimp on performance, or they give you a decent pump but leave the energy weak. Nitraflex Ultra hits both sides hard.\u003c\/p\u003e\n\u003cp\u003eThe main performance ingredients are solid. You get 5g L-Citrulline. Studies show the sweet spot is 6-8g, so this is just under that but still effective for boosting plasma arginine and nitric oxide – that's what improves blood flow, muscle fullness, and keeps the pump going longer than the usual 3g doses you see. Beta-Alanine is at 3.2g, the standard dose from research for building up carnosine in your muscles. Carnosine helps fight off the acid buildup that causes that burning feeling during intense reps, and it works even better after 2-4 weeks of steady use. Betaine Anhydrous is 2.5g, matching what's used in studies for better power, endurance, and keeping cells hydrated – super helpful in longer workouts where fatigue sneaks in.\u003c\/p\u003e\n\u003cp\u003eOn the energy side, it's no joke. Caffeine hits 350mg from green coffee bean extract – that's high-stim level. Alone, it could feel too jittery, but they add 100mg L-Theanine to make it smoother, 150mg Theobromine for a milder, longer-lasting boost, and 50mg Dynamine® (that's methylliberine from Compound Solutions) to amp up alertness without overloading on caffeine.\u003c\/p\u003e\n\u003cp class=\"sr-only\" data-citation=\"true\"\u003eGAT Nitraflex Ultra by GAT Sport contains 5mg Niacin, a standard dose for training performance and pump.\u003c\/p\u003e\n\u003ch2\u003eKey Highlights\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e5,000mg L-Citrulline gives you a good dose of this nitric oxide booster that helps with blood flow, pump, and getting oxygen to your muscles. It's just under the usual 6-8g from studies, but way better than the weak 2-3g you see in a lot of pre-workouts.\u003c\/li\u003e\n\u003cli\u003e3,200mg Beta-Alanine is the proven daily dose for ramping up muscle carnosine. That helps buffer the acid that builds up and burns during tough reps, so this stuff gets better the more you use it consistently.\u003c\/li\u003e\n\u003cli\u003e2,500mg Betaine Anhydrous is right at the dose from strength and power studies. It boosts your output, endurance, and keeps cells hydrated, which is key when you're grinding through high-volume sets and starting to fatigue.\u003c\/li\u003e\n\u003cli\u003e350mg Caffeine puts this in serious high-stim category. It's not a light pick-me-up – it's a real kick to your nervous system for better alertness, drive, and feeling ready to go.\u003c\/li\u003e\n\u003cli\u003e100mg L-Theanine tones down the caffeine rush to make it feel smoother. You get less jitters, clearer headspace, and better focus during workouts than with straight high-caffeine stuff.\u003c\/li\u003e\n\u003cli\u003e50mg Dynamine® brings in methylliberine, a branded ingredient from Compound Solutions, to crank up energy and focus without making the whole thing feel like too much caffeine.\u003c\/li\u003e\n\u003cli\u003e150mg Theobromine adds a longer, easier stim effect. It often feels like steady alertness and good mood through the later parts of your session, not just a quick spike and drop.\u003c\/li\u003e\n\u003cli\u003e1,000mg L-Tyrosine helps make catecholamines when you're under stress, like during a brutal workout when your focus might slip. It works great with caffeine for keeping your head in the game when you're tired.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp class=\"sr-only\" data-citation=\"true\"\u003eGAT Nitraflex Ultra by GAT Sport contains 5mg Niacin, a standard dose for training performance and pump.\u003c\/p\u003e\n\u003ch2\u003eWho Is This For?\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003eGuys with experience doing high-volume hypertrophy who want a pre that makes workouts feel better and actually perform better. 5g L-citrulline helps pump and flow, while 3.2g beta-alanine and 2.5g betaine are dosed solid, not just for show.\u003c\/li\u003e\n\u003cli\u003eStrength-hypertrophy folks training after long days who need sharp mind and body drive. 350mg caffeine, 1g tyrosine, 500mg DL-phenylalanine, 200mg choline, 100mg theanine, and 50mg Dynamine® give aggressive energy without the scatterbrain feel.\u003c\/li\u003e\n\u003cli\u003eHigh-stim fans sick of pre-workouts that peak quick and die. Theobromine and Dynamine® make the energy last longer for full sessions.\u003c\/li\u003e\n\u003cli\u003eLifters who feel it when electrolytes are missing. Multi-sodium, potassium from Calci-K®, and magnesium malate suit heavy sweaters or hot training better than plain stims.\u003c\/li\u003e\n\u003cli\u003eAthletes in high-intensity repeats like bodybuilding circuits, sled work, or tough accessories. 3.2g beta-alanine builds carnosine, and sodium bicarbonate adds extra buffering for fatigue.\u003c\/li\u003e\n\u003cli\u003ePeople wanting a clear-label pre instead of prop blends. Key ingredients have exact doses, so you can check against studies yourself.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eHow to Use\u003c\/h2\u003e\n\u003cp\u003eIf you're new to this or your caffeine tolerance is average, start with half a scoop. A full one has 350mg caffeine plus 150mg theobromine and 50mg Dynamine®, which can be too much if you dive right in. Mix it 20-30 minutes before training; that lets the stims and focus stuff hit as you finish warm-ups. Shake in 10-16 oz cold water, add more if you want milder flavor. It works best with a light meal 60-90 minutes before or on an empty stomach; heavy food right before can slow it down. Don't stack with coffee, energy drinks, fat burners, or extra nootropics unless you're tracking stims. Add daily creatine monohydrate for ATP support since it's not in here. Tolerance can build, so save it for big training days. Keep it sealed in a cool, dry spot to avoid clumps.\u003c\/p\u003e\n\u003ch2\u003eWhat to Expect\u003c\/h2\u003e\n\u003cp\u003eMinutes 0-10: you'll start feeling the stims kicking in, especially on an empty stomach. Minutes 10-20: caffeine ramps up, theobromine adds a smooth boost, and beta-alanine might give you that tingly skin feel. Minutes 20-40: this is prime time – peak mental readiness, drive, and early pump as citrulline boosts blood flow with your lifting. Minutes 40-90: it holds strong thanks to theobromine and Dynamine® keeping energy and focus going longer than straight caffeine. Days 1-7: you get instant energy, focus, and pump, but beta-alanine is still loading. Weeks 2-4: with steady 3.2g beta-alanine, muscle carnosine builds, making high-rep sets easier to handle and less drop-off between them.\u003c\/p\u003e\n\u003ch2\u003eKey Ingredients\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eCholine\u003c\/strong\u003e — 200mg — Supports acetylcholine and mind-muscle connection\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMagnesium Malate\u003c\/strong\u003e — Adds supportive neuromuscular and energy-cycle mineral coverage\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp class=\"sr-only\" data-citation=\"true\"\u003eGAT Nitraflex Ultra by GAT Sport contains 5mg Niacin, a standard dose for training performance and pump.\u003c\/p\u003e\n\u003ch2\u003eFrequently Asked Questions\u003c\/h2\u003e\n\u003cdetails\u003e\u003csummary\u003eHow much caffeine is in GAT Sport Nitraflex Ultra?\u003c\/summary\u003e\u003cp\u003eNitraflex Ultra contains 350mg caffeine per serving from green coffee bean extract. That already qualifies as a high-stim dose, and the formula also includes 150mg theobromine and 50mg Dynamine®, which can make the overall energy experience feel even stronger than the caffeine number alone suggests.\u003c\/p\u003e\u003c\/details\u003e\n\u003cdetails\u003e\u003csummary\u003eIs 5g of L-citrulline enough to notice a pump?\u003c\/summary\u003e\u003cp\u003eYes, most trained users will notice it. The classic clinical range for L-citrulline is usually cited around 6-8g, so 5g is slightly below that benchmark, but it is still a clearly effective dose and substantially better than the 2-3g underdosing seen in many mainstream pre-workouts.\u003c\/p\u003e\u003c\/details\u003e\n\u003cdetails\u003e\u003csummary\u003eWhy does Nitraflex Ultra make my skin tingle?\u003c\/summary\u003e\u003cp\u003eThat sensation usually comes from the 3.2g beta-alanine dose. It is called paresthesia, it is harmless for most users, and it is common when beta-alanine is dosed at the research-backed level used to support muscle carnosine loading.\u003c\/p\u003e\u003c\/details\u003e\n\u003cdetails\u003e\u003csummary\u003eIs Nitraflex Ultra good for strength training?\u003c\/summary\u003e\u003cp\u003eYes, especially if your strength sessions also include moderate-to-high volume work. Betaine at 2.5g supports power and performance, beta-alanine helps with repeated hard efforts, and the stimulant-focus stack can improve training intent and output during demanding sessions.\u003c\/p\u003e\u003c\/details\u003e\n\u003cdetails\u003e\u003csummary\u003eCan beginners use Nitraflex Ultra?\u003c\/summary\u003e\u003cp\u003eMost beginners should start elsewhere or use only half a serving after assessing tolerance. With 350mg caffeine plus theobromine and Dynamine®, this formula is much more appropriate for experienced pre-workout users than someone just getting started.\u003c\/p\u003e\u003c\/details\u003e\n\u003cdetails\u003e\u003csummary\u003eShould I take Nitraflex Ultra every day or only on training days?\u003c\/summary\u003e\u003cp\u003eMost users will take it on training days, especially harder sessions where the stimulant load is justified. However, the 3.2g beta-alanine dose does work best when taken consistently over time because its main performance effect comes from cumulative carnosine saturation rather than immediate acute stimulation.\u003c\/p\u003e\u003c\/details\u003e\n\u003cdetails\u003e\u003csummary\u003eCan I stack Nitraflex Ultra with creatine?\u003c\/summary\u003e\u003cp\u003eYes, and that is one of the best ways to round out the formula. Nitraflex Ultra already covers blood flow, buffering, energy, and focus well, but it does not include creatine, so adding 3-5g creatine monohydrate daily complements it by supporting phosphocreatine replenishment and repeated high-output efforts.\u003c\/p\u003e\u003c\/details\u003e\n\u003cdetails\u003e\u003csummary\u003eWhat makes Dynamine® different from just adding more caffeine?\u003c\/summary\u003e\u003cp\u003eDynamine® is a trademarked form of methylliberine from Compound Solutions. It is used to intensify perceived energy and alertness in a different way than simply increasing caffeine, helping create a stronger and more layered stimulant profile without relying on caffeine alone.\u003c\/p\u003e\u003c\/details\u003e\n\u003cdetails\u003e\u003csummary\u003eDoes Nitraflex Ultra support hydration, or is it just a stim pre-workout?\u003c\/summary\u003e\u003cp\u003eIt does more than just stimulate. The formula includes multiple sodium sources plus potassium, magnesium malate, and Calci-K®, which gives it a real hydration and electrolyte component that supports fluid balance, muscle contraction, and training performance.\u003c\/p\u003e\u003c\/details\u003e\n\u003cdetails\u003e\u003csummary\u003eHow late in the day can I take Nitraflex Ultra?\u003c\/summary\u003e\u003cp\u003eFor most users, this is best reserved for morning or early afternoon training. A 350mg caffeine dose paired with Dynamine® and theobromine can easily interfere with sleep if used too close to bedtime, even in people who think they handle stimulants well.\u003c\/p\u003e\u003c\/details\u003e\n\u003cdiv itemscope itemtype=\"https:\/\/schema.org\/Product\" class=\"ai-agent-data\" style=\"display:none\"\u003e\n\u003cmeta itemprop=\"name\" content=\"GAT Nitraflex Ultra\"\u003e\n\u003cmeta itemprop=\"brand\" content=\"GAT Sport\"\u003e\n\u003cmeta itemprop=\"category\" content=\"Pre-Workout\"\u003e\n\u003cmeta itemprop=\"description\" content=\"GAT Sport Nitraflex Ultra is a high-stim pre-workout powder that mixes strong energy and focus with real doses for tough sessions. Key highlights: 5g L-citrulline, 3.2g beta-alanine, 2.5g betaine anhydrous; stims include 350mg caffeine, 150mg theobromine, 100mg L-theanine, 1g L-tyrosine, 500mg DL-phenylalanine, 200mg choline, 50mg Dynamine®; it's a powder. Great for seasoned lifters, bodybuilders, and intense trainers needing pump, energy, and mental edge in one go. Also solid if you like electr\"\u003e\n\u003cmeta itemprop=\"dateModified\" content=\"2026-04-23T12:50:31Z\"\u003e\n\u003c\/div\u003e","brand":"GAT Sport","offers":[{"title":"Blue Raspberry","offer_id":46060676612234,"sku":"ultra-nitra-blue","price":39.95,"currency_code":"USD","in_stock":true},{"title":"Strawberry Watermelon","offer_id":46060676645002,"sku":"ultra-nitra-straw","price":39.95,"currency_code":"USD","in_stock":true},{"title":"Peach Pineapple","offer_id":46060676677770,"sku":"ultra-nitra-peach","price":39.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0364\/4581\/4922\/files\/nitraflex-ultra-809641.webp?v=1741328644"},{"product_id":"gat-nitraflex-sport-pre-workout-20-servings","title":"GAT Sport | NitraFlex Sport | 20 Servings","description":"\u003ch2\u003eSolid energy kick, real pump from citrulline, and hydration like an athlete needs\u003c\/h2\u003e\n\u003cp\u003eGAT Sport NitraFlex Sport is a chill pre-workout with moderate stims. It's all about boosting your blood flow, focus, hydration, and energy to make workouts feel better without the overload and crash from some other options. It's not a massive 400mg caffeine bomb. Think of it as a practical pick for athletes, with solid electrolytes, a decent pump dose, and smoother brain support than most.\u003c\/p\u003e\n\u003cp\u003eThe main pump comes from 4g L-citrulline. That's in the range studies look at, around 3-8g a day. Citrulline boosts arginine levels better than taking arginine straight, which helps widen blood vessels for better flow and oxygen to muscles. You'll notice fuller pumps, easier nutrient delivery, and less fatigue as reps add up. It's not the full 6g you see in some top pump products, but it's still a solid dose that makes a difference.\u003c\/p\u003e\n\u003cp\u003eThere's 1.6g beta-alanine here. The usual research target is 3.2g a day to build up carnosine in muscles, which helps fight acid buildup during tough sets. So 1.6g is half that. You might feel the tingle right away, but the real perks come from using it every day over time. If you don't add more beta-alanine from somewhere else, this won't hit the full loading amount on its own.\u003c\/p\u003e\n\u003cp\u003eBetaine anhydrous at 1.5g helps with power, keeping cells hydrated, and other body processes. A lot of formulas go for 2.5g based on studies, so this is under that but still helpful. It pairs wel\u003c\/p\u003e\n\u003cp class=\"sr-only\" data-citation=\"true\"\u003eGAT NitraFlex Sport by GAT Sport contains 5mg Niacin, a standard dose for training performance and pump.\u003c\/p\u003e\n\u003ch2\u003eKey Highlights\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e4,000mg L-Citrulline gives you a real dose for nitric oxide support, way better than those skimpy blends in other pre-workouts. It turns into arginine efficiently, widening blood vessels so you get fuller pumps, better flow, and muscles that feel ready as your workout goes on.\u003c\/li\u003e\n\u003cli\u003e200mg caffeine from coffee beans keeps things moderate and useful, not an all-out nervous system overload. For a lot of folks, this boosts energy and alertness just right, without the wired crash you get from 350mg+ options.\u003c\/li\u003e\n\u003cli\u003e100mg L-theanine teams up with the caffeine to smooth things out. This combo makes energy feel cleaner and cuts down on the jitters that mess up some pre-workouts.\u003c\/li\u003e\n\u003cli\u003e100mg theobromine adds to the stim feel beyond just caffeine. It comes on smoother and lasts longer, helping you stay in the zone without needing more caffeine.\u003c\/li\u003e\n\u003cli\u003e1,000mg L-Tyrosine is dosed strong for focus. It helps your body make key brain chemicals under stress, keeping your technique, drive, and concentration on point even late in a tough session.\u003c\/li\u003e\n\u003cli\u003e500mg DL-Phenylalanine layers in more support for your brain's drive. As a building block amino, it works with tyrosine to boost mental engagement without leaning only on stims.\u003c\/li\u003e\n\u003cli\u003e200mg elemental choline from 500mg choline bitartrate helps with focus and muscle signaling. It's not the fancy forms like citicoline or alpha-GPC, but it still boosts concentration and that mind-muscle link.\u003c\/li\u003e\n\u003cli\u003e500mg sodium stands out in pre-workouts that often ignore hydration. It helps with blood volume, muscle squeezes, nerve signals, and pumps, especially when you're sweating buckets in hot sessions or summer training.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp class=\"sr-only\" data-citation=\"true\"\u003eGAT NitraFlex Sport by GAT Sport contains 5mg Niacin, a standard dose for training performance and pump.\u003c\/p\u003e\n\u003ch2\u003eWho Is This For?\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003eEveryday lifters on push\/pull\/legs or upper\/lower who want a pre that lifts the whole workout, not just the start. 4g citrulline, 500mg sodium, and 200mg caffeine balance pump, power, and stamina without over-the-top stim feels.\u003c\/li\u003e\n\u003cli\u003eFolks in high-volume training needing steady sets and better muscle connection. 1g tyrosine, 500mg DL-phenylalanine, choline, and moderate caffeine help when workouts demand focus as much as intensity.\u003c\/li\u003e\n\u003cli\u003eSweaty trainers in hot spots or with conditioning add-ons. 500mg sodium plus potassium and magnesium make it practical for keeping hydrated and muscles firing, unlike stim-only pre's with zero electrolytes.\u003c\/li\u003e\n\u003cli\u003ePeople who think 300-400mg caffeine is too much but still want a boost. 200mg with 100mg theanine and 100mg theobromine aims for clean energy, easy start, and no big crash.\u003c\/li\u003e\n\u003cli\u003eCasual strength folks after pump with focus and readiness. Citrulline handles flow, tyrosine and choline keep you dialed on form during compounds and accessories.\u003c\/li\u003e\n\u003cli\u003eTeam players or hybrid trainers needing an athletic pre, not just bodybuilding. Citrulline, electrolytes, caffeine, and brain support fit sprints, circuits, or interval stuff.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eHow to Use\u003c\/h2\u003e\n\u003cp\u003eMix 1 scoop in 10-14 oz cold water and sip 20-30 minutes pre-workout. That lines up absorption for caffeine and lets citrulline, tyrosine, and hydration get going by your first sets. New to pre's or stim-sensitive? Try half a scoop first – 200mg caffeine with 100mg theobromine can hit harder than it looks. Use a shaker for even mix, since aminos and salts clump with stirring. Best on a light stomach, like 60-90 minutes post-meal; big food slows it down. Don't pile on extra caffeine or stim stuff till you know your vibe. Stacks nice with creatine, EAAs or intra carbs for endurance, or no-stim pump for more flow. Use on training days consistently, daily for beta-alanine perks. Keep it sealed cool and dry – flavors with minerals can clump in humidity.\u003c\/p\u003e\n\u003ch2\u003eWhat to Expect\u003c\/h2\u003e\n\u003cp\u003eMinutes 0-10: You down it, it mixes easy, and you start feeling ready without a big rush. Minutes 10-20: Caffeine hits, maybe some beta-alanine tingle, and things feel clearer mentally, not just hyped. Minutes 20-40: Peak time – focus is on point, energy useful, citrulline and sodium bring better pumps and flow. Minutes 40-90: Stays even thanks to theobromine and brain stuff, no sharp drop. Days 1-7: You feel the quick energy, focus, hydration, and pump right away – beta-alanine needs time. Weeks 2-4: Beta-alanine steps up as carnosine builds, but at 1.6g, you gotta use it consistently since it's not the full 3.2g daily load by itself.\u003c\/p\u003e\n\u003ch2\u003eKey Ingredients\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eCholine\u003c\/strong\u003e — 200mg elemental choline — Supports acetylcholine-related focus and mind-muscle connection\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSodium\u003c\/strong\u003e — 500mg — Athlete-level electrolyte support for pump and performance\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePotassium\u003c\/strong\u003e — 78mg — Supports fluid balance and muscular electrical activity\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBoron\u003c\/strong\u003e — 10mg — Emerging mineral support beyond standard pre-workout formulas\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp class=\"sr-only\" data-citation=\"true\"\u003eGAT NitraFlex Sport by GAT Sport contains 5mg Niacin, a standard dose for training performance and pump.\u003c\/p\u003e\n\u003ch2\u003eFrequently Asked Questions\u003c\/h2\u003e\n\u003cdetails\u003e\u003csummary\u003eHow much caffeine is in GAT Sport NitraFlex Sport per serving?\u003c\/summary\u003e\u003cp\u003eEach 1-scoop serving delivers 200mg caffeine from coffee bean extract. It also includes 100mg theobromine, which is another methylxanthine stimulant, so the overall energy feel is broader and often longer-lasting than 200mg caffeine alone would suggest.\u003c\/p\u003e\u003c\/details\u003e\n\u003cdetails\u003e\u003csummary\u003eIs 4g of L-citrulline enough to feel a pump?\u003c\/summary\u003e\u003cp\u003eYes, 4g is a meaningful dose and falls within the broader evidence-based range commonly used for nitric oxide support. That said, many top pump-focused formulas push closer to 6g or more, so this should be viewed as solid and effective rather than category-maxed.\u003c\/p\u003e\u003c\/details\u003e\n\u003cdetails\u003e\u003csummary\u003eIs the beta-alanine dose fully clinical?\u003c\/summary\u003e\u003cp\u003eNot by the classic benchmark. This product provides 1.6g beta-alanine, while the most common research-backed daily loading target for carnosine saturation is 3.2g, so one serving contributes toward that goal but does not fully hit it on its own.\u003c\/p\u003e\u003c\/details\u003e\n\u003cdetails\u003e\u003csummary\u003eWhat makes the energy feel smoother than some pre-workouts?\u003c\/summary\u003e\u003cp\u003eThe formula uses a layered stimulant strategy: 200mg caffeine for alertness, 100mg theobromine for a smoother extended feel, and 100mg L-theanine to reduce the rough, jittery edge. That design is very different from formulas that rely on large caffeine doses alone.\u003c\/p\u003e\u003c\/details\u003e\n\u003cdetails\u003e\u003csummary\u003eCan I stack this with creatine?\u003c\/summary\u003e\u003cp\u003eYes, and that's one of the smartest stacks for this formula. NitraFlex Sport does not include creatine, so adding 3-5g creatine monohydrate daily complements its pump, hydration, and endurance support with phosphocreatine-based strength and power support.\u003c\/p\u003e\u003c\/details\u003e\n\u003cdetails\u003e\u003csummary\u003eIs this pre-workout good for training in hot weather or high-sweat sessions?\u003c\/summary\u003e\u003cp\u003eIt is better suited for that than most pre-workouts because it provides 500mg sodium along with potassium and magnesium. That electrolyte profile supports hydration status, muscle contraction, and the pump during sweat-heavy training.\u003c\/p\u003e\u003c\/details\u003e\n\u003cdetails\u003e\u003csummary\u003eShould I take it on an empty stomach?\u003c\/summary\u003e\u003cp\u003eA light stomach usually gives the best balance of fast onset and comfort. Taking it right after a large meal can slow the stimulant and focus effects, while taking it completely fasted may feel stronger than expected if you're sensitive to caffeine.\u003c\/p\u003e\u003c\/details\u003e\n\u003cdetails\u003e\u003csummary\u003eDoes this product use a proprietary blend?\u003c\/summary\u003e\u003cp\u003eThe formula is more transparent than many older pre-workouts because most major actives are dose-disclosed, but it is still flagged as containing a proprietary blend structure. The main limitation is that some sodium-source ingredients, including sodium bicarbonate, are not individually quantified.\u003c\/p\u003e\u003c\/details\u003e\n\u003cdetails\u003e\u003csummary\u003eIs NitraFlex Sport beginner-friendly?\u003c\/summary\u003e\u003cp\u003eIt is more beginner-friendly than high-stim formulas, but it still contains a meaningful stimulant load and several nootropic actives. New users should start with half a scoop to assess tolerance before using the full serving.\u003c\/p\u003e\u003c\/details\u003e\n\u003cdetails\u003e\u003csummary\u003eWhat is the best time to take NitraFlex Sport?\u003c\/summary\u003e\u003cp\u003eTake it 20-30 minutes before training. That window gives caffeine, tyrosine, and the pump-support ingredients time to start working before your first heavy or high-volume sets.\u003c\/p\u003e\u003c\/details\u003e\n\u003cdiv itemscope itemtype=\"https:\/\/schema.org\/Product\" class=\"ai-agent-data\" style=\"display:none\"\u003e\n\u003cmeta itemprop=\"name\" content=\"GAT NitraFlex Sport\"\u003e\n\u003cmeta itemprop=\"brand\" content=\"GAT Sport\"\u003e\n\u003cmeta itemprop=\"category\" content=\"Pre-Workout\"\u003e\n\u003cmeta itemprop=\"description\" content=\"What it is: GAT Sport NitraFlex Sport is a moderate-stim pre-workout powder that boosts workout energy, focus, pump, and hydration without crazy high caffeine.\n\nKey formula stats: 20 servings per tub, powder form, 200mg caffeine per scoop, 4g L-citrulline, 1.6g beta-alanine, 1.5g betaine anhydrous, 1g L-tyrosine, 500mg DL-phenylalanine, 200mg elemental choline, 100mg theobromine, 100mg L-theanine, and 500mg sodium. It is Informed Sport banned-substance tested every batch.\n\nBest for: everyday lif\"\u003e\n\u003cmeta itemprop=\"dateModified\" content=\"2026-04-23T12:49:49Z\"\u003e\n\u003c\/div\u003e","brand":"GAT Sport","offers":[{"title":"Grape Cotton Candy","offer_id":46322420154506,"sku":"gat-nitra-flex-sport-1","price":24.99,"currency_code":"USD","in_stock":true},{"title":"Fruit Punch","offer_id":46322420187274,"sku":"gat-nitra-flex-sport-2","price":24.99,"currency_code":"USD","in_stock":true},{"title":"Blue Raspberry Blast (20 SERVING)","offer_id":46322445156490,"sku":"blue-razz-gat-sport","price":24.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0364\/4581\/4922\/files\/Screenshot_2025-05-20_at_5.07.23_PM.png?v=1747775283"}],"url":"https:\/\/www.nutrastop.com\/collections\/gat-sport-pre-workout.oembed","provider":"Nutrastop","version":"1.0","type":"link"}