YK-11

Category: pharmacological

Pharmacological Mechanism

Steroidal AR partial agonist + putative myostatin pathway inhibitor (follistatin upregulation). Banned by WADA. Hepatotoxicity signal at high doses; testosterone suppression similar to other SARMs at multi-week cycles.

Half-Life (t½)

PO: 6h

Dosing Guidelines

• PO: Typical 10mg (Range: 5 - 15 mg)

Target Organ Systems

• endocrine
• digestive