(4 reviews)
YK-11 SARM Capsules
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- PACKAGE: 60 Capsules in Container .
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- Active Ingredient: YK-11
- Brand: Biaxol
- Product Type: Experimental steroidal androgen receptor modulator, commonly grouped with SARMs
- Strength: 10 mg of YK-11 per capsule
- Additional Ingredient: Black pepper fruit extract (Piper nigrum), 5 mg per capsule
- Form: Capsules for oral use
- Package Contents: 60 capsules
What Is Biaxol YK-11?
Biaxol YK-11 offers an experimental androgen-receptor-active compound in an oral capsule format. Interest in bodybuilding centres on muscle size and strength, particularly because laboratory research has linked YK-11 to increased follistatin expression.
Unlike many non-steroidal SARMs, YK-11 has a steroidal structure. It is a single compound, not a combination of a SARM and a separate myostatin inhibitor. Its capsule format requires no reconstitution or injection preparation.
YK-11, Follistatin and Muscle-Growth Research
Follistatin can influence signalling involving myostatin, a protein that limits muscle growth. In a study using mouse muscle cells, YK-11 increased follistatin expression and promoted muscle-cell differentiation. This finding explains why it is often marketed as a “myostatin inhibitor.”
However, a cell-culture result does not establish meaningful myostatin inhibition or muscle growth in humans. YK-11 should therefore not be described as a proven way to overcome genetic limits, accelerate muscle gains or outperform other SARMs.
What Do Bodybuilders Expect from YK-11?
Bodybuilding discussions commonly associate YK-11 with:
- Mass-gain goals: Interest in its androgen receptor activity and the follistatin-related mechanism observed in laboratory research;
- Strength goals: User reports of improved lifting performance, which have not been confirmed in controlled human trials;
- Lean appearance: Reports of “dry gains,” although the absence of water retention or fat gain cannot be guaranteed.
There is no established human evidence that YK-11 burns fat, improves circulation, slows ageing or reliably preserves muscle during cutting. Training progression, nutrition and body-fat levels remain central to the physique goals for which it is discussed.
Biaxol Capsule Format and Ingredients
The Biaxol formula combines YK-11 with black pepper fruit extract in a container of 60 capsules. Clearly stated ingredient amounts make it easier to compare the product with tablet and other capsule formulations.
The added extract is a formulation difference, not proof of superior absorption or effectiveness. Product-specific evidence would be needed to establish that it increases YK-11 bioavailability.
A capsule also provides less flexibility than a tablet designed for accurate splitting. Dividing capsule contents by eye does not reliably produce a measured smaller amount.
YK-11 Use in Bodybuilding
Informal bodybuilding discussions cite 5–20 mg per day, often with once-daily use and periods of 4–8 weeks. These figures are not validated human dosing schedules or established safe cycle lengths. Shorter use should not be assumed to prevent serious adverse effects.
Each capsule contains 10 mg, but this should not be called a proven “full working dose” or an appropriate starting amount. There is no validated basis for choosing 10 or 20 mg according to whether body weight is below or above 80 kg.
Hormonal suppression and recovery require consideration before use. YK-11’s androgen receptor activity raises concern about effects on natural hormonal regulation, but reliable human data do not establish the degree of suppression or a universal post-cycle therapy requirement.
Medical assessment may include ALT, AST, a lipid panel and appropriate hormone testing. These checks address relevant concerns but cannot establish the safety of a compound with such limited human evidence.
Note: YK-11 is an experimental compound and is not approved for bodybuilding, muscle growth or sports performance. Evidence is predominantly preclinical, and its human safety, effective dosing and long-term effects have not been established. Concerns include hormonal suppression, liver effects and adverse changes in blood lipids. The ranges above describe informal bodybuilding practices rather than safe dosing recommendations. Medical advice is recommended before use.
Buy Biaxol YK-11 Capsules at Dinespower
Dinespower is an authorized Biaxol distributor, offering product-code verification and access to available laboratory test reports. Check the code supplied with your packaging through the brand’s authenticity service, or contact our team for testing information relevant to your batch.
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Storage
Store below 30°C, protect from light and do not freeze. Keep the container securely closed and out of reach of children. Follow any additional instructions on the product label.
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5-14 days
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From 29 €
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YK-11 SARM Capsules
10mg/caps

















I ordered for the first time, I'm waiting for delivery, the manager is very competent, I hope that I will receive everything on time!
I am getting good results after taking this pill. Great for a beast workout.
One of the best injectable I've tried. Time to buy more and stack up for future :)
It works! The weight and strength really increase very decently. I haven't noticed any side effects.