Sarm YK-11 provides the most rapid increase in muscle mass, retaining effects even after usage. YK-11 is a myostatin blocker. Slows the aging process of cells. Improvement of individual power and speed parameters.

YK11 is a selective androgen receptor modulator (SARM), which activates AR (androgen receptor) without the N/C interaction. There have been studies that have shown the positive impact of YK11 on myostatin inhibitor. That means it helps to build muscle primarily. Another study suggests that it has the potential to stimulate bone-building proteins to help improve bone health. Even though these studies have confirmed the benefits of YK11 and no side effects, further research is needed. Hence, you can get YK11 in a supplement shop and athletes have said it really helped to increase mass.