YYK-11 | Myostine RESEARCH CHEMICAL 

CONCENTRATION: 10 MG OF YK-11 | Myostine PER CAP , 3O CAP BOTTLE

YK-11, often discussed within the realm of selective androgen receptor modulators (SARMs), has attracted significant interest for its unique properties, including its potential action as a myostatin inhibitor. 

Structural Composition: YK-11's chemical structure is denoted as methyl (2E)-2-((8R,9S,13S,14S,17S)-13,17-dimethyl-3-oxo-1,2,6,7,8,9,10,11,12,14,15,16-dodecahydrocyclopenta[a]phenanthren-17-ylidene)hydrazinecarboxylate. This intricate configuration contributes to its potential activity in muscle tissue.

Mechanism of Action: Though YK-11 is often cited alongside SARMs due to its putative interaction with androgen receptors, its exact mode of action remains a subject of investigation. Preliminary studies suggest YK-11 binds to androgen receptors in a tissue-selective manner. More uniquely, YK-11 is believed to induce muscle growth not just via the androgen receptor pathway but also by inhibiting myostatin, a protein that restricts muscle growth. 

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