lgd4033 Share definition Flag A common SARM (Selective Androgen Receptor Modulator) used by bodybuilders. Chad: “I’m 4 weeks into my lgd4033 cycle and I can’t get hard!” Derek: “you should have run a test base with that sarm” lgd4033 by Westcoastiron November 7, 2021 Get the lgd4033 mug.