A 3rd gen SARM. Simlar to S-4, but higher AR affinity. Strong effects on muscle growth and strength gains.
Known for: Muscle mass growth, bulking
Commonly stacked with: Typical bulking stack: S-23, YK-11, MK-677 | optional: MK-2866
Side-effects: Testosterone suppression with prolonged use; no reports of other adverse side-effects