YK-11 (5mg) 60 Capsules
YK11 5 mg 60 capsules offers laboratory-tested capsules (5 mg per capsule) of premium YK11. Operating as both a steroidal SARM and a myostatin inhibitor, this high-purity research compound (>99% purity) is widely studied for its ability to stimulate follistatin expression, remove genetic limits on muscle tissue accretion, and support bone mineral density. Strictly for laboratory research use only.