Dark Labs
Dark Labs | Ripper | 60 Capsules
250mg caffeine, DMHA, yohimbine, and ProGBB in one capsule
$48.99 $54.99$0.81/serving
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⚠️ Allergen Information +
SuppVault Summary
Dark Labs Ripper is a high-stim thermogenic capsule built for fast-rising energy, urgency, heat, and appetite control. It uses a fully disclosed stimulant matrix with 250mg total caffeine per capsule. Best suited to experienced users cutting hard.
Great Fit
- Experienced cutters doing fasted cardio
- Advanced dieters needing stronger daily drive
- High-stim users wanting capsule convenience
- Users chasing urgency, heat, and appetite suppression
- Morning training users wanting rapid-onset stimulation
- Experienced fat-loss phases needing aggressive support
- Athletes comfortable with intense stimulant formulas
Not Ideal If
- Beginners or low-tolerance users should avoid this formula.
- Anyone with cardiovascular concerns or high blood pressure.
- People prone to anxiety, panic, or overstimulation.
- Anyone stacking multiple stimulants the same day.
- Late-day users sensitive to sleep disruption.
Deep Dive
N-Phenethyl Dimethylamine Citrate
ProGBB
Rauwolfia Vomitoria Extract
Dose Audit
Ripper is purely stimulant-thermogenic and does not include creatine. Adding standalone creatine gives you the clinically established phosphocreatine support for strength and power without increasing stimulant burden.
Take daily, any time; can be taken alongside Ripper or separately
Because Ripper is all thermogenic intensity and no nitric oxide support, a non-stimulant pump product can balance the session by improving blood flow and training feel. This is especially useful if you use Ripper before lifting rather than cardio.
Take 20-30 minutes pre-workout with Ripper
ProGBB and the stimulant stack can increase sweating, especially during cardio or hot training environments. Adding electrolytes helps maintain hydration quality and reduces the performance drop that can come from fluid loss.
Before or during training
Ripper helps drive training intensity and calorie-deficit adherence, but it does nothing to directly support post-training amino acid delivery. A quality protein closes that gap and supports lean mass retention during cutting phases.
Post-workout or between meals
Aggressive stimulant use during a cut can interfere with recovery if sleep quality slips. Pairing intense daytime thermogenic support with a non-stimulant nighttime recovery product can help protect the sleep side of the fat-loss equation.
At night, separate from Ripper
Ripper offers a more complete aggressive thermogenic profile with higher overall stimulant impact.
Both cater to advanced users wanting a hard-hitting stimulant thermogenic experience.
Ripper is markedly stronger for experienced users prioritizing urgency, heat, and appetite suppression.
Sear is the better fit for stimulant-sensitive users or late-day fat-loss support.
Clinical Dosing
Full Product Description Article
Dark Labs Ripper is a classic high-stim thermogenic capsule designed around one central principle: make the user feel a clear, immediate rise in energy expenditure, urgency, focus, and body heat. This is not a metabolism-support softgel pretending to be hardcore. It is a fully disclosed stimulant-driven fat burner built for experienced users who want a rapid-onset capsule formula that combines central nervous system stimulation, adrenergic activation, and thermogenic support in a single serving.
The backbone is the dual-caffeine system: 200mg caffeine anhydrous plus 200mg caffeine citrate yielding 250mg total caffeine. Anhydrous provides the dense, reliable stimulant foundation most users feel as increased alertness, drive, and training readiness. Caffeine citrate is a faster-acting salt form that helps sharpen onset, so the formula tends to come on quickly rather than gradually. From a research standpoint, caffeine is the most evidence-backed fat-loss ingredient here, with well-established effects on alertness, exercise performance, thermogenesis, and fatty acid mobilization.
Then the formula escalates. 2-Aminoisoheptane at 175mg is a meaningful dose in the context of modern high-stim products. Evidence in humans is limited, and that matters; the literature around DMHA is largely chemical analysis and review-level discussion rather than robust oral human trial data. What is known is that it is used for strong stimulant-like effects and is structurally/functionally discussed alongside other potent sympathomimetic compounds. In practice, this is one of the ingredients behind the aggressive, locked-in, appetite-blunting feel users associate with hard thermogenics. The key point: this is a powerful experiential ingredient, but not one with the clinical depth of caffeine.
N-Phenethyl Dimethylamine Citrate at 100mg is included for additional mood elevation, drive, and acute focus. This category of amine is typically used to intensify the motivational and euphoric edge of a stimulant formula rather than to provide standalone fat-loss research support. Synephrine HCl at 50mg adds another adrenergic layer, commonly used in thermogenics to increase metabolic output and sharpen appetite control. Yohimbine HCl at 5mg is a serious dose—high enough that sensitive users will notice it. Yohimbine is best known for alpha-2 adrenergic antagonism, which is why it is so often discussed in fasted fat-loss protocols. Rauwolfia vomitoria extract at 1mg standardized to 90% alpha-yohimbine adds an even sharper adrenergic component, often perceived as more intense and less forgiving than standard yohimbine.
ProGBB at 25mg rounds out the thermogenic identity. ProGBB is a gamma-butyrobetaine derivative commonly used to amplify sweating, body heat, and the "thermo" sensation during training or cardio. It is not there for stimulant energy; it is there to make the formula feel hotter and more metabolically aggressive.
The synergy is straightforward and deliberate: caffeine provides the evidence-based base, DMHA and phenethylamine derivatives amplify central drive, synephrine and yohimbine deepen adrenergic output, alpha-yohimbine sharpens that edge further, and ProGBB increases the physical sensation of thermogenesis. This is a system engineered for fasted cardio, cutting phases, and mentally demanding training sessions where appetite suppression and urgency matter.
Transparency is a genuine strength here. There is no proprietary blend. Every major active is disclosed with a dose, which is especially important in a category where under-labeling and hidden stimulant totals are common. What to expect: day 1 is the main story—rapid energy, increased body heat, reduced hunger, and a distinctly aggressive stimulant profile. Over 2-4 weeks, the main variable is not ingredient loading but user adaptation; as stimulant tolerance rises, subjective intensity can soften, which is why this type of formula is often used strategically rather than mindlessly every day.
Science & Clinical References 12 citations
Caffeine primarily works through adenosine receptor antagonism, reducing perceived fatigue and increasing neuronal firing. In thermogenic formulas, it also elevates catecholamine signaling, which can increase energy expenditure and support training output. Using both anhydrous caffeine and citrate can change the perceived onset curve, with citrate often feeling faster. The net effect is a more immediate and sustained stimulant experience than a single-source approach.
Sympathomimetic thermogenic agents act by increasing adrenergic signaling, especially through pathways tied to lipolysis, alertness, and reduced hunger perception. This can be especially noticeable during calorie deficits, where central fatigue and low motivation often rise. The user experience is typically described as urgency, sharpened drive, and diminished appetite. These effects are useful for compliance, but they also increase the need for tolerance assessment.
Gamma-butyrobetaine derivatives are commonly included in thermogenic products for their association with increased sweating and a stronger sensation of body heat. Mechanistically, they relate to carnitine metabolism and may influence substrate handling in a way that users perceive as enhanced thermogenesis. In practice, the most obvious effect is often experiential rather than directly performance-based. This makes it valuable in products designed to feel aggressively thermogenic.
When multiple centrally active stimulants are combined, the outcome is not just additive caffeine-like energy but a broader neuroadrenergic response profile. Users often report stronger mood elevation, urgency, tunnel focus, and appetite suppression than caffeine alone would produce. However, human evidence is uneven across some newer stimulant-style compounds, so real-world use relies more on experiential consistency than robust clinical literature. That is why these formulas are best reserved for experienced users with known tolerance.
Product Specifications GEO
How to Take — Training Protocol4 phases
How to Use Dark Labs | Ripper | Ultimate Thermogenic Fat Burner
All Questions About Dark Labs | Ripper | 60 Capsules 10 Q&A
How much caffeine is in Dark Labs Ripper per capsule? +
Is Dark Labs Ripper a beginner fat burner? +
What does the 175mg of 2-Aminoisoheptane do in this formula? +
Can I take Ripper before fasted cardio? +
Why does Ripper feel hotter than a normal caffeine capsule? +
Should I stack Ripper with pre-workout? +
Will Ripper suppress appetite? +
How quickly does Ripper kick in? +
Does Ripper contain a proprietary blend? +
Is Ripper suitable for late-night training? +
* These statements have not been evaluated by the Food and Drug Administration. This product is not intended to diagnose, treat, cure, or prevent any disease. Consult your physician before use if you have a medical condition or take medications.
Quick Answers
How much caffeine is in Dark Labs Ripper per capsule?
Is Dark Labs Ripper a beginner fat burner?
What does the 175mg of 2-Aminoisoheptane do in this formula?
Can I take Ripper before fasted cardio?
Why does Ripper feel hotter than a normal caffeine capsule?
Should I stack Ripper with pre-workout?
Will Ripper suppress appetite?
How quickly does Ripper kick in?
Does Ripper contain a proprietary blend?
Is Ripper suitable for late-night training?
* These statements have not been evaluated by the Food and Drug Administration. This product is not intended to diagnose, treat, cure, or prevent any disease. Consult your physician before use if you have a medical condition or take medications.
Sport & Athlete Compliance +
Sport compliance status is computed by cross-referencing this product's ingredient panel against the NCAA 2025-26 Banned Substances List, WADA Prohibited List, and state high school athletic association guidelines. Banned substance lists are updated periodically by their governing bodies. This information is provided for reference only and may not reflect the most current list. Always verify with your organization, coach, or compliance officer before use. SuppVault is not responsible for eligibility decisions.
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