LGD-4033

Category: pharmacological

Aliases: Ligandrol, VK5211, Anabolicum

Pharmacological Mechanism

Tissue-selective androgen receptor partial agonist — high anabolic activity in muscle + bone with reduced androgenic effects in prostate, skin, liver. AR selectivity ratio ~10:1 vs testosterone's 1:1. Phase 1 studies (Viking Therapeutics) showed muscle mass + strength gains over 21 days.

Half-Life (t½)

PO: 25h

Dosing Guidelines

Target Organ Systems