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| Attribute | SARM / Follistatin Inducer YK-11 |
|---|---|
| Summary | Hybrid SARM/myostatin inhibitor — strong anecdotal hypertrophy. |
| Mechanism | Selective androgen receptor partial agonist that upregulates follistatin. |
| Top outcomes |
|
| Evidence | anecdotal |
| Half-life | ~6-10 hours |
| Administration | oral |
| Legal status | research only |
| Safety | Possible hepatotoxicity and HPTA suppression. |