300mg tri-source caffeine with open-label pump, focus, and endurance help.
Prosupps Hyde Nightmare is a high-stim pre-workout with a straightforward plan: give you strong energy from familiar stimulants, add some calm focus to keep it smooth, and back it up with key ingredients for blood flow, buffering fatigue, and staying hydrated. This isn't just stims hiding weak support behind cool labels. It's got a fully open label and sticks to ingredients that matter in sports nutrition.
The main performance driver is 4,000mg of L-citrulline. Your body turns citrulline into L-arginine better than taking arginine straight, which helps make nitric oxide for wider blood vessels and better flow. It also clears out ammonia during tough workouts. Studies show 6-8g is the sweet spot for best results, so 4g is a bit under that but still enough to help with pumps and getting blood to your muscles, especially with the stims and hydration in here.
You've got 2,500mg beta-alanine. This stuff builds up carnosine in your muscles over time, and carnosine fights the acid buildup that causes that burning feeling in high-intensity sets. It shines in efforts from one to ten minutes where fatigue hits hard. The researched dose is 3.2-6.4g daily, so 2.5g is below the top mark but solid if you use it regularly. You might feel that harmless tingling soon after taking it.
For energy and focus, it's a three-way caffeine blend at 300mg total: 125mg natural from Camellia sinensis extract, 100mg caffeine anhydrous, and 75mg natural caf
Key Highlights
- 300mg total caffeine from three spots — 125mg from Camellia sinensis extract, 100mg caffeine anhydrous, and 75mg from Coffee arabica extract. This puts it in high-stim land and gives a bigger, longer-lasting boost than those lighter pre's at 150-200mg.
- 4,000mg L-citrulline — a good dose for pumps and blood flow that makes sense. It boosts arginine better than arginine alone, helping nitric oxide for wider vessels and a better muscle feel during sets, even if studies often use 6-8g for max effects.
- 2,500mg beta-alanine — enough to notice right away and build up over time with steady use. It ramps up muscle carnosine to buffer the acid that causes burn in tough reps, letting you push sets longer.
- 100mg L-theanine — a solid amount to smooth out the stim feel. With 300mg caffeine, this helps a lot: it keeps you alert but calm, not all jittery.
- 200mg Alpha-GPC — this supports brain chemicals for better attention, coordination, and connecting with your muscles. Not a huge dose, but it adds a real focus boost beyond just energy.
- 250mg acetyl-L-carnitine HCl — here for brain and energy support in your cells. It's a helper dose, but it makes the whole thing feel more on-point mentally.
- 250mg Himalayan rock salt — smart hydration add-on that a lot of pre's skip. Sodium keeps fluids balanced, muscles contracting well, and pumps going strong, especially if you sweat a ton or train long.
- Fully open label, no prop blends — every ingredient and dose is right there. You can check it against what works instead of trusting a fancy name that hides stuff.
Who Is This For?
- Intermediate lifters on volume-heavy plans who want a real energy push without rare stims. 300mg caffeine brings the drive, while 4g citrulline and 250mg salt help that full-session pump bodybuilders love.
- Powerbuilders needing intensity and focus for compounds and accessories. Caffeine with 100mg theanine keeps you aggressive but not scattered mid-workout.
- Cross-trainers in high-intensity repeats where pacing and mental game count. 2.5g beta-alanine helps buffer acid over time, and the salt makes it more than just energy.
- Seasoned pre users who want full disclosure over prop blends. It lays out the goods: 300mg caffeine, 4g citrulline, 2.5g beta-alanine, and nootropic backups.
- Morning gym folks needing quick wake-up in one scoop for energy, focus, and flow. Tri-source caffeine hits decisive, theanine keeps it smooth.
- After-work trainers with stim tolerance who want to flip the switch. Alpha-GPC, theanine, and acetyl-L-carnitine make it about locked-in mindset, not just buzz.
How to Use
Take Hyde Nightmare 20-30 minutes pre-training so the energy and focus peak during your sets. If you're new to high stims or haven't done 300mg caffeine lately, try half a scoop first to check how it feels, then go full. Mix in 8-14 ounces cold water in a shaker; more water mellows the flavor for quick drinking. For best kick, take on a light stomach — heavy food slows it down. Don't add coffee, energy drinks, or extra stims unless you're watching totals. It goes great with creatine, intra salts, and post protein since it skips those. Tolerance can build, so mix in low-stim days or save full scoops for big sessions. Keep the tub sealed in a cool spot for fresh powder.
What to Expect
Minutes 0-10: it hits your system fast, and you start feeling more alert, especially on an empty stomach. Minutes 10-20: caffeine ramps up, you get sharper, and beta-alanine might tingle your face or hands. Minutes 20-40: peak time for most — energy's full on, focus is tight from caffeine, theanine, and Alpha-GPC, and citrulline with salt boosts pumps. Minutes 40-90: still feels strong, with focus holding up better than pure caffeine, though if you're used to stims, the mental side shines more. Days 1-7: effects stay the same, tingles get familiar. Weeks 2-4: beta-alanine builds carnosine, so intense efforts feel easier to repeat before burn hits.
Frequently Asked Questions
How much caffeine is in Prosupps Hyde Nightmare per serving?
Hyde Nightmare delivers 300mg total caffeine per serving. That comes from 125mg natural caffeine from Camellia sinensis extract, 100mg caffeine anhydrous, and 75mg natural caffeine from Coffee arabica extract, making this a true high-stim pre-workout.
Is Hyde Nightmare a fully disclosed formula?
Yes. This version uses a full-disclosure label with no proprietary blends, so every major active ingredient and dose is listed clearly. That is a meaningful advantage in a category where many products still hide dosing behind matrix names.
Is 4g of L-citrulline enough to feel a pump?
Yes, 4g is enough for many users to notice better blood flow and a fuller workout feel, especially when paired with sodium support from Himalayan rock salt. That said, the strongest sports nutrition literature generally uses 6-8g for peak performance outcomes, so this is a solid but not fully maxed citrulline dose.
Why does Hyde Nightmare make me tingle?
The tingling comes from 2,500mg beta-alanine, a common sensation called paresthesia. It is harmless and often shows up in the face, ears, hands, or shoulders shortly after ingestion, especially when taken quickly.
Is Hyde Nightmare good for focus or just energy?
It is better described as energy plus focus. The 300mg caffeine drives alertness, while 100mg L-theanine helps smooth the stimulation and 200mg Alpha-GPC plus 250mg acetyl-L-carnitine add cognitive support for a more locked-in session.
Should beginners use Hyde Nightmare?
Most true beginners should start elsewhere or use only half a serving first. At 300mg caffeine, Hyde Nightmare is better suited to intermediate users or anyone who already knows they tolerate high-stim pre-workouts well.
Can I stack Hyde Nightmare with creatine?
Yes, and that is one of the best ways to round out the formula. Hyde Nightmare already covers energy, focus, blood flow, and some endurance support, while standalone creatine monohydrate adds the clinically backed phosphocreatine support that this formula does not include.
Can I take Hyde Nightmare for evening workouts?
Only if you know you tolerate caffeine late in the day. With 300mg total caffeine, many users will find that taking it within several hours of bedtime reduces sleep quality, which can undermine the recovery you are training for.
How does Hyde Nightmare compare to a lower-stim daily pre-workout?
Hyde Nightmare is built for more intensity and a stronger subjective kick. Compared with milder daily pre-workouts in the 150-200mg caffeine range, this one hits harder, but it also demands more respect around tolerance, timing, and sleep management.
Does Hyde Nightmare need to be cycled?
The formula does not require strict cycling from a safety or efficacy standpoint, but caffeine tolerance is real. Many users get the best long-term experience by using full servings on harder training days and incorporating lower-stim or stim-free days during the week.
