S4 (Andarine) 25mg Tablets

Research Compound

S4, also known as Andarine, is a selective androgen receptor modulator (SARM) studied for its role in muscle and bone metabolism.

Chemical Formula: C₁₉H₁₈F₃N₃O₆
Molecular Weight: ~441.4 g/mol

For research purposes only. Not for human use, veterinary use, or ingestion of any kind.