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Product Usage: This product is intended for research purposes only.

All product information available on this website is for educational purposes only. Any form of bodily introduction into humans or animals is strictly prohibited by law. This product should only be handled by licensed and qualified professionals. It is not a drug, food, or cosmetic, and must not be misbranded, misused, or mislabeled as such.

YK-11 10 mg/capsule, 60 capsules

YK11 is a powerful SARM‑like research compound often chosen by advanced users who want rapid lean muscle and strength gains. It’s known for its potential myostatin‑inhibiting activity, which may help push muscular development beyond normal limits.

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Original price was: $72.00.Current price is: $54.00.
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How it works

  1. Selectively binds to androgen receptors in muscle tissue, helping drive muscle‑building signals.

  2. Increases follistatin, a protein that counteracts myostatin, which normally limits muscle growth.

  3. By lowering myostatin activity, it may allow more muscle fibres to grow and thicken.

  4. Supports strength and performance by enhancing anabolic signalling without full steroid profiles.

Benefits

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Rapid lean muscle gain

Chosen by users who want noticeable size and strength increases in a relatively short time.

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Helps push past plateaus

Myostatin inhibition may allow progress when training and diet alone have stalled.

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Supports dense, hard muscle look

Often used in phases where athletes want strength with lean, non‑watery tissue.

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Improved workout performance

More strength and endurance can translate into heavier lifts and harder sessions.

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Complements advanced stacks

Frequently stacked with other SARMs in serious body‑recomposition or bulking protocols.

Dosage and Safety

Timing Schedule

  • YK11 is an experimental SARM and is not an approved medicine, food or dietary supplement.

  • Human long‑term safety data are limited.

  • It can significantly suppress natural testosterone and may influence liver enzymes, blood lipids and cardiovascular markers.

  • See the ingredients table for the label serving and quantities. Follow the instructions on the actual package for use.

  • Possible side effects include sleep disturbance and androgen‑related issues.

  • Not for pregnant or breastfeeding women, or anyone under 18 years old.

  • Not for people with an existing health condition or comorbidities.

  • Always consult a physician before considering experimental substances.

Ingredients

Serving size: 1 capsule · Servings per container: 60

IngredientAmount per serving% DV (label)
YK-1110 mg*
Black pepper fruit extract (Piper nigrum)5 mg*

Other ingredients: Vegetable capsule (HPMC), magnesium stearate, microcrystalline cellulose.

* Daily value not established. Percentages transcribed from the label.

Results refer to the tested sample. Check the batch and date in the report.

Janoshik — YK11 - Prime Peptides

FAQ

How does YK11 work?

YK11 binds to androgen receptors in muscle and boosts follistatin, a protein that counters myostatin. Lower myostatin activity may allow more muscle growth than usual, which is why advanced lifters use it in heavy muscle‑building phases. Always treat it as experimental.

Is YK11 legal?

In many places YK11 is sold for research use only and is not an approved drug. Sports federations usually ban it. Always check your local laws and anti‑doping rules before buying or using any SARM‑like compound to stay compliant.

Can I stack YK11 with other SARMs?

Yes, many users stack YK11 with other SARMs for stronger effects. That also increases risk and stress on the body. Combining powerful compounds should only be considered by experienced users under medical supervision and with proper cycle support.

Will YK11 show up on a drug test?

Standard workplace tests don’t usually screen for YK11, but dedicated sports anti‑doping panels can detect it or its metabolites. Competitive athletes should assume it can be found and will be treated as a banned performance‑enhancing substance.

Customer Reviews (4)

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Scotty

High quality product, perfect for my research

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Harry

Good product. Appropriate packaging.

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Genesis

Very happy with the service. In addition, the chemical quality is top notch. My laboratory research results exceeded expectations. I will definitely be back.

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SciGuy

Very happy with the prompt communication, quality is stellar. Five stars all around. The experimental results were exceptional.