YK11
It is a unique substance that inhibits myostatin while acting as a SARM (selective androgen receptor modulator) simultaneously. Myostatin is a protein that inhibits and limits muscle growth. Alpha works by binding to myostatin, which allows one to build muscle beyond their genetic potential.
YK-11 induces muscle cells to make more follistatin (more than DHT does)—a strong myostatin inhibitor.
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