YK11 10mg Tablets | 100-Count
🌏 China Warehouse
QSC YK11 (Myostatin Inhibitor / Partial AR Agonist (SARM-like)) — ≥99% HPLC purity, MS confirmed, Janoshik COA. 10mg per tablet, 100-count. Research use only.
* The information on this page is a summary and is not intended to cover all available information about this medication. It does not cover all possible uses, directions, precautions, drug interactions or adverse effects and is not a substitute for the expertise and judgement of your healthcare professional.
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What is YK11?
YK11 is a steroidal myostatin inhibitor and partial androgen receptor agonist with a unique dual mechanism. As a myostatin inhibitor, it induces follistatin expression — blocking myostatin’s (GDF-8) anti-anabolic activity. As a partial AR agonist, it contributes anabolic gene activation. This dual-action profile makes YK11 a distinctive research compound for myostatin biology, muscle growth regulation, and SARM-adjacent pharmacology. Research use only.
Research Applications
Myostatin Inhibition
Follistatin upregulation, GDF-8 pathway suppression, muscle mass ceiling studies
Dual Mechanism Research
AR partial agonism + myostatin inhibition — combined vs isolated effect dissection
Muscle Growth Regulation
Satellite cell activation, myofibre hypertrophy without myostatin constraint
Follistatin Biology
Follistatin induction mechanism, downstream signalling, ActRIIB pathway
Comparative Myostatin Inhibition
YK11 vs follistatin, anti-myostatin antibodies, ActRIIB decoys
Quick Specs
| Form | Tablet — 10mg per tablet, 100-tablet bottle |
| CAS Number | 1370003-76-1 |
| Molecular Formula | C₂₅H₃₄O₆ |
| Molecular Weight | 430.5 g/mol |
| Compound Type | Myostatin Inhibitor / Partial AR Agonist (SARM-like) |
| Purity | ≥99% by HPLC — every batch |
| Identity | MS molecular weight confirmed — every batch |
| COA | Janoshik-independent, publicly verifiable |
| Manufacture | In-house synthesis — Qingdao, China |
| Storage | Room temperature sealed | cool, dry storage |
| Shelf Life | 24 months unopened |
Certificate of Analysis (COA)
Frequently Asked Questions
Frequently asked questions
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A seemingly elegant design can quickly begin to bloat with unexpected content or break under the weight of actual activity. Fake data can ensure a nice looking layout but it doesn’t reflect what a living, breathing application must endure. Real data does.
Websites in professional use templating systems. Commercial publishing platforms and content management systems ensure that you can show different text, different data using the same template. When it’s about controlling hundreds of articles, product pages for web shops.
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