Side effects and watch-outs
- Same as Ostarine — HPTA suppression, LFTs required
- HDL suppression
- Back acne
- Limited data compared to parent compound Ostarine
SARM / Classic SARM
OTR-AC (Ostarine Ester)
Esterified form of Ostarine (MK-2866). Designed for improved oral bioavailability and longer duration. Minimal additional human data beyond standard Ostarine.
Educational reference only. This page does not diagnose, prescribe, or replace care from a licensed professional. Laws, availability, and clinical appropriateness vary by location.