YK-11 is a small molecule, a hormone-like substance found in the liver. YK-11 belongs in a new class of compounds called SARMS, or serotonergic receptor modulators. Selective and androgen receptor modulators, also known as SARMs, are usually well-tolerated by clinical studies and have very potent muscle-building benefits.
Selective SARMs inhibit the activity of the androgen receptor in a particular manner. This inhibitory effect causes the production of the natural androgens, testosterone, to be stimulated, resulting in more muscle mass.
SARMs that target the androgen receptor are in clinical trials for the treatment of obesity, diabetes, cardiovascular disease, cancer, neurodegenerative diseases, and other conditions. YK-11 is one of several SARMs that are being tested for their ability to promote lean muscle growth.
Molecular Formula: C25H34O6
Molecular Weight: 430.5 g/mol
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