SARMs (Selective Androgen Receptor Modulators)

YK-11: The Underground Muscle Builder with a Cult Following In bodybuilding, few compounds generate as much curiosity—and controversy—as YK-11. Often lumped into the SARM (Selective Androgen Receptor Modulator) category, YK-11 is something of a wildcard. It’s technically a myostatin inhibitor with structural similarities to steroids, and it has gained a reputation as a powerful tool…

ACP-105 is a non-steroidal Selective Androgen Receptor Modulator (SARM) that was developed by Acadia Pharmaceuticals. It’s designed to deliver many of the anabolic (muscle-building) benefits of traditional androgens (like testosterone), without the typical androgenic side effects. While still experimental, ACP-105 has gained attention in the bodybuilding and athletic communities for its potential in lean muscle…