creation

  1. Iron Game

    YK-11 is a myostatin inhibitor that actually works.

    YK11 stimulates the creation of follistatin. When YK11 is in the presence of follistatin, it causes a large sudden production of myogenic differentiation factor (MyoD), myogenic factor 5 (Myf5) and myogenin. The three myogenic items are what causes the body to create new muscle cells...
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