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YK-11 is a newer SARM. What we know is that it is a myostatin inhibitor. It acts as a partial androgen receptor agonist, so most of its muscle building potential is thought to be from the myostatin inhibition. Inhibiting myostatin essentially allows the user to surpass a genetic marker which limits muscle growth. The Belgian Blue Bull carries a myostatin gene mutation, looking at a picture of one of these Belgian Blue Bulls will help you understand the potential of YK-11! This SARM has more potential to inhibit myostatin than DHT itself! More and more research is being done on this SARM but considering its powerful properties a PST (Post Sarm Therapy) should be done.


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