Description
YK-11 Myostane
100% purity, certified by an independent laboratory, MzBiolabs
It is not A SARM in itself, since like the substance of this group it binds to androgen receptors, but does not affect them.
It is actually a myostatin inhibitor.
CHEMISTRY :
Case: 1370003-76-1
Formula: C25H34O6
19-Norpregna-4,20-diene-21-carboxylic acid, 17,20-[(1-methoxyethylidene)bis(oxy)]-3-oxo-, methyl ester, (17alpha,20E)-