Clear-label high-stim fat burner with 250mg caffeine and yohimbine combo
Dark Labs Adrenaline is a straight-up high-stim fat burner in capsule form, aimed at hitting you with quick energy, focus, and fat-burning fire through stacked stimulants, not fluffy wellness stuff. It's not playing around as a mild daily thing. The setup is bold: 250mg total caffeine from two spots, 175mg 2-aminoisoheptane, 100mg N-phenethyl dimethylamine citrate, 50mg synephrine HCl, ProGBB®, yohimbine HCl, and rauwolfia with alpha-yohimbine. It's for pros who want that sharp, urgent vibe during workouts or cuts.
200mg caffeine anhydrous is the main kick, backed by tons of studies for staying alert, feeling less tired, and pushing performance. Add 100mg caffeine citrate for faster action—citrate isn't pure caffeine, so total hits 250mg. You get a quick start that feels way stronger than a plain 200mg pill.
175mg 2-aminoisoheptane is what makes this feel hardcore. Not a lot of human studies on DMHA, but in stim mixes, it's there for that intense brain buzz and caffeine boost. It works on brain chemicals for a driven feel beyond just caffeine. Same goes for 100mg N-phenethyl dimethylamine citrate—limited research, but it's added to amp up mood, urgency, and mental spark.
Synephrine HCl at 50mg pushes the thermogenic side of the formula. Syn
Dark Labs Adrenaline by Dark Labs contains 200mg Caffeine Anhydrous, a clinical dose for training performance and pump.
Key Highlights
- 250mg total caffeine from two types—200mg anhydrous for that steady buzz, plus 100mg citrate for quicker kick-in. Feels stronger than your average single-shot capsule.
- 175mg 2-Aminoisoheptane—sets the hardcore tone. Limited studies, but DMHA cranks up drive and that intense feel missing from basic burners.
- 100mg N-Phenethyl Dimethylamine Citrate—boosts mood and focus hard. Makes this more charged than just caffeine alone.
- 50mg Synephrine HCl—solid for capsule burners. It's an adrenergic booster (stimulates your fight-or-flight response) that amps calorie burn and hunger control in cuts.
- 5mg Yohimbine HCl—good dose here. Perfect for pros loving fasted cardio and that extra heat.
- 1mg Rauwolfia vomitoria extract with 90% alpha-yohimbine HCl—adds a fierce edge over regular yohimbine. Brings more urgency, warmth, and power for serious users.
- 25mg ProGBB®—not just filler, it's branded for real sweat and heat. Fits great in a cut-focused stim.
- No hidden blends—everything's listed with doses. In a world of shady hardcore burners, you know exactly your caffeine, yohimbine, synephrine, and DMHA intake.
Dark Labs Adrenaline by Dark Labs contains 200mg Caffeine Anhydrous, a clinical dose for training performance and pump.
Who Is This For?
- Seasoned competitors in a deficit needing more than basic caffeine for locked-in sessions. 250mg caffeine, DMHA, synephrine, yohimbine, and alpha-yohimbine keep intensity high when calories drop and motivation dips.
- Pros doing fasted cardio in cuts who want an adrenaline-pushing burner. 5mg yohimbine HCl plus rauwolfia with alpha-yohimbine fits if you get why timing and low insulin matter.
- Early risers needing a hard-hitting capsule thermogenic without mixing drinks. Dual caffeine gives fast wake-up, stack adds drive beyond single-source stuff.
- Gym rats past basic burners who know their stim limits. Not gentle herbs—it's for that intense brain buzz in one cap.
- Prep folks for contests or shoots wanting hunger control, heat, and workout fire in lean weeks. Synephrine, yohimbine, and ProGBB nail that when fatigue hits.
- Folks hating blends in high-stim world. Every ingredient and dose shown, so you know your exact yohimbine, caffeine, synephrine, and DMHA.
How to Use
Kick off with 1 capsule, 20-30 minutes pre-workout or cardio. High-stim with 250mg caffeine, DMHA, synephrine, yohimbine HCl, and alpha-yohimbine—no need to go over. Pros often do empty stomach or light eats for fasted cardio—big meals dull the edge. Swallow with water; it's all in one cap, no mixing. Skip stacking with coffee, energy drinks, high-caffeine pres, or other yohimbine unless you're super tuned in. Pair with non-stims like pump stuff, creatine, electrolytes, or protein if anything. Hit it early to avoid sleep issues. Cycle for tough days to manage tolerance. Store cool and dry, lid tight for fresh caps.
What to Expect
0-10 minutes: Capsule takes a sec, but alertness ramps quick, especially empty stomach. 10-20 minutes: Caffeine hits clear, body warms, urgency and intensity build. 20-40 minutes: Peak time—DMHA, phenethylamine buzz, synephrine, and yohimbine deliver that focused, heated edge. 40-90 minutes: Energy holds strong, but depends on your tolerance, food, and if fasted. First week: You'll see if it fits—hunger drop, sweat, and gym aggression stand out. Weeks 2-4: No loading needed, it's about smart use while watching stim tolerance.
Key Ingredients
-
Caffeine Anhydrous — 200mg — Fast, reliable stimulation for training intensity and alertness
-
2-Aminoisoheptane — 175mg — Hard-hitting central drive beyond standard caffeine formulas
-
N-Phenethyl Dimethylamine Citrate — 100mg — Elevated mood and urgency for harder training sessions
-
Caffeine Citrate — 100mg — Reinforces rapid onset and early-session energy feel
-
Synephrine HCl — 50mg — Thermogenic support for cutting phases and cardio blocks
-
ProGBB® — 25mg — Adds body-heat and sweat-driven thermogenic intensity
-
Yohimbine HCl — 5mg — Sharp fasted-cardio support with strong adrenergic feel
-
Rauwolfia Vomitoria Extract — 1mg — Adds alpha-yohimbine edge to the thermogenic stack
Dark Labs Adrenaline by Dark Labs contains 200mg Caffeine Anhydrous, a clinical dose for training performance and pump.
Frequently Asked Questions
How much caffeine is in Dark Labs Adrenaline per capsule?
Adrenaline provides 250mg total caffeine per 1-capsule serving. That comes from 200mg caffeine anhydrous plus 100mg caffeine citrate, with the citrate source contributing additional caffeine but not a full 100mg of caffeine by weight.
Why does Adrenaline feel stronger than 250mg caffeine alone?
Because caffeine is only one part of the stimulant system. The formula also includes 175mg 2-aminoisoheptane, 100mg N-phenethyl dimethylamine citrate, 50mg synephrine HCl, 5mg yohimbine HCl, and rauwolfia standardized to alpha-yohimbine, all of which increase the intensity of the overall experience.
Is Dark Labs Adrenaline a pre-workout or a fat burner?
Its formula profile is clearly fat-burner first. Many users will take it before training because the stimulant load is strong, but it does not include core pre-workout performance ingredients like citrulline, beta-alanine, creatine, or electrolytes.
Is this product suitable for beginners?
No, this is not a beginner formula. The combination of caffeine, DMHA, synephrine, yohimbine, and alpha-yohimbine makes it much more intense than a standard energy capsule or entry-level thermogenic.
When is the best time to take Adrenaline?
Most experienced users take 1 capsule 20-30 minutes before fasted cardio or before training. Taking it earlier in the day is usually smarter because the stimulant stack can interfere with sleep if used too late.
Can I stack Adrenaline with coffee or another pre-workout?
That is generally not advisable unless you are extremely experienced and know your tolerance. With 250mg total caffeine plus multiple non-caffeine stimulants already present, stacking additional stimulants significantly increases the chance of jitteriness, elevated heart rate, nausea, and sleep disruption.
What is ProGBB® doing in this formula?
ProGBB® is included as a thermogenic-support ingredient and is especially known for increasing the sensation of heat and sweating in stimulant fat burners. Evidence is limited, but its practical role here is to make the formula feel more thermogenic, not just more stimulating.
Does Adrenaline use a proprietary blend?
No. One of the product’s strongest features is that every active ingredient and every dose is disclosed on the label, which is not always the norm in hardcore thermogenic formulas.
What side effects are most likely with this formula?
The most common issues for sensitive users would be jitters, elevated heart rate, sweating, anxiety, nausea, and trouble sleeping. Those risks are tied directly to the stimulant stack, especially caffeine, synephrine, yohimbine HCl, alpha-yohimbine, and DMHA.
Should Adrenaline be cycled?
Many advanced users choose to cycle or strategically reserve high-stim formulas like this because stimulant tolerance can build over time. The product does not contain loading ingredients that require uninterrupted saturation, so selective use often makes more sense than daily year-round use.
