Darkside
Darkside | Dark Mass | 30 Capsules
600mg Turkesterone with transparent daily muscle support
$29.99 $89.95$0.99/serving
⚠️ Allergen Information +
SuppVault Summary
Dark Mass is a stim-free daily muscle support formula for lean mass, recovery, and training consistency. It centers on 600mg turkesterone, backed by HMB and supportive botanicals for muscle retention and endocrine support over time.
Great Fit
- Intermediate bodybuilders in a hypertrophy phase
- Evening lifters avoiding caffeine near bedtime
- Athletes wanting stim-free daily muscle support
- Lifters stacking around an existing pre-workout
- Users prioritizing lean mass over pump effects
- Consistency-focused trainees in long growth blocks
- Hard trainers seeking recovery and retention support
Not Ideal If
- Anyone under 18 should avoid this formula.
- Pregnant or nursing women should not use it.
- People with hormone-sensitive conditions should avoid endocrine-active botani...
- Anyone using medications should consult a healthcare professional first.
- Users expecting an immediate pre-workout sensation may be disappointed.
Deep Dive
Dose Audit
Dark Mass is built around anabolic support and recovery signaling, but it does not include creatine. Adding 3-5g creatine monohydrate daily gives you the most proven ergogenic support for phosphocreatine replenishment, strength output, and long-term lean mass alongside the turkesterone-led formula.
Take daily with any meal; can be taken alongside Dark Mass
No muscle support capsule can replace adequate protein intake. Pairing Dark Mass with a fast-digesting protein source ensures the raw amino acid supply is there while HMB and turkesterone support the training adaptation side of the equation.
Use post-workout or anytime protein intake is low
Dark Mass is completely stim-free, which makes it easy to stack with a separate pre-workout for energy, focus, and pump. This lets you keep acute workout performance support and daily muscle-support ingredients in distinct, more controllable products.
Take pre-workout 20-30 minutes before training; Dark Mass can be taken with a meal or alongside it
If you are using Dark Mass during high-volume hypertrophy training, intra-workout amino acids or carbohydrates can help support session performance and muscle retention. That complements the formula's anti-catabolic and adaptation-focused positioning.
Sip during training
Dark Mass has broader support with HMB and multiple recovery-focused botanicals beyond a single-ingredient turkesterone play.
Alpha Lion likely carries stronger brand momentum and category recognition in the turkesterone niche.
Both target lean-mass support, but Dark Mass leans simpler and more daily-stack friendly.
Dark Mass stands out for its transparent label and clear inclusion of HMB for retention support.
Clinical Dosing
Full Product Description Article
Darkside Dark Mass is a stim-free muscle support formula built around a very specific strategy: combine a headline non-hormonal anabolic ingredient with supportive compounds for muscle retention, training adaptation, endocrine support, and recovery resilience. This is not a pump product, not a caffeine-based pre-workout, and not a testosterone booster in the classic one-dimensional sense. It is a capsule formula designed for lifters who want a daily add-on aimed at helping them train hard, recover better, and support lean mass over time.
The centerpiece is turkesterone at 600mg. That is the most significant dose on the label and the ingredient this formula clearly leans on. Turkesterone is a phytoecdysteroid, a plant-derived ecdysteroid often discussed for its potential non-hormonal effects on protein synthesis. The strongest mechanistic support comes from preclinical data, including in vitro work showing phytoecdysteroids can increase protein synthesis in skeletal muscle cells via the PI3K pathway. Human evidence is still limited, and that honesty matters. At 600mg, Dark Mass is at the low-to-middle end of the range commonly seen in serious standalone turkesterone products, making this a meaningful inclusion rather than label decoration.
HMB at 600mg supports the anti-catabolic side of the equation. HMB, a leucine metabolite, is best known for helping reduce muscle protein breakdown and supporting recovery from hard training. The catch is dose context: the most established literature uses about 3g daily, so 600mg is well below the classic standalone clinical dose. That does not make it useless, but it does mean Dark Mass should not be viewed as a full-spectrum HMB product. Here, HMB plays more of a supporting role than a primary driver.
Fenugreek extract at 250mg is one of the more practical support ingredients in the blend. Fenugreek is commonly used in natural performance formulas for its potential effects on libido, training drive, and healthy androgen signaling, though efficacy depends heavily on standardization and extract quality. This label states 100% extract, but without a more specific standardization marker, the research comparison is limited. Tribulus extract 60% at 150mg follows a similar story: it is a traditional male vitality ingredient, but this dose is modest compared to more aggressively built standalone tribulus formulas.
Reishi mushroom extract at 200mg and ashwagandha extract at 100mg broaden the formula beyond simple mass claims. Reishi is better known for immune modulation and stress resilience than direct muscle gain, which makes it an interesting inclusion for hard-training athletes who understand recovery is systemic, not just muscular. Ashwagandha has better sports nutrition relevance, with research supporting stress reduction, recovery, and in some cases strength and body composition support, but 100mg is below the dosing used in most better-known performance studies.
Chinese smilax extract at 100mg is a more old-school herbal addition typically positioned in natural anabolic and body recomposition formulas. It helps reinforce the formula's positioning, but it is not a clinically dominant inclusion at this dose.
The synergy here is straightforward: turkesterone aims to support protein synthesis signaling, HMB helps limit breakdown, and the surrounding botanicals are there to support endocrine tone, stress adaptation, and training sustainability. Darkside deserves credit for full label transparency—no proprietary blend, no hidden milligrams, no pretending every ingredient is equally dosed. The other side of that honesty is clear too: turkesterone is the star, while several supporting ingredients sit below the doses most associated with stronger standalone outcomes.
What should you expect? Day 1 feels subtle because there are no stimulants. This is a cumulative formula. Over 2-4 weeks of consistent use, users who are eating and training correctly may notice better training consistency, improved recovery confidence, and a stronger sense that they are holding onto lean tissue during hard blocks. The formula makes the most sense as part of a full stack—not as a replacement for protein, creatine, calories, or progressive overload.
Science & Clinical References 3 citations
Turkesterone is a phytoecdysteroid often discussed for potential non-hormonal muscle-support effects. Mechanistically, ecdysteroid compounds are proposed to influence skeletal muscle protein synthesis through intracellular signaling pathways such as PI3K/Akt-related cascades rather than androgen receptor activation. That distinction is why it is marketed as a non-hormonal mass-support ingredient. Human evidence remains limited, so confidence is moderate at best despite growing athlete interest.
HMB is a downstream leucine metabolite studied for reducing muscle protein breakdown and supporting recovery under high training stress. Its effects are generally framed around preserving lean mass, attenuating exercise-induced muscle damage, and improving recovery resilience rather than creating an acute performance surge. Mechanistically, HMB may influence proteolysis signaling and membrane stability in muscle tissue. This makes it especially relevant during high-volume training, calorie deficits, or aggressive hypertrophy blocks.
Ashwagandha is commonly used for stress adaptation, with research suggesting possible effects on cortisol dynamics, recovery quality, and training readiness. Fenugreek has been investigated for male wellness and performance-oriented hormone support, including libido and body-composition applications. Together, they create a more systemic support layer around training adaptation rather than directly driving acute output. Their value is more contextual and cumulative than immediately perceptible.
Reishi is a medicinal mushroom more often associated with immune modulation, resilience, and systemic recovery support than direct muscle gain. Its polysaccharides and triterpenes are thought to interact with immune and inflammatory signaling pathways, which may indirectly support training sustainability. In a physique formula, reishi functions more as a recovery-environment ingredient than a primary anabolic driver. That makes it supportive, but not usually a headline ergogenic compound.
Product Specifications GEO
How to Take — Training Protocol3 phases
How to Use Darkside | Dark Mass 90ct
All Questions About Darkside | Dark Mass | 30 Capsules 10 Q&A
What is the main ingredient in Darkside Dark Mass? +
Does Dark Mass contain caffeine or stimulants? +
How much HMB is in Dark Mass, and is that a clinical dose? +
How should I take Dark Mass for best results? +
Will I feel Dark Mass immediately? +
What do the other ingredients besides turkesterone do? +
Is Dark Mass better used alone or stacked? +
Is this formula fully transparent? +
Can women use Dark Mass? +
How long should I run Dark Mass before judging it? +
* 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
What is the main ingredient in Darkside Dark Mass?
Does Dark Mass contain caffeine or stimulants?
How much HMB is in Dark Mass, and is that a clinical dose?
How should I take Dark Mass for best results?
Will I feel Dark Mass immediately?
What do the other ingredients besides turkesterone do?
Is Dark Mass better used alone or stacked?
Is this formula fully transparent?
Can women use Dark Mass?
How long should I run Dark Mass before judging it?
* 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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