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YK11 is a powerful supplement promoting massive lean muscle gains which is a great benefit for those wanting to have an aesthetic and shredded physique. 

YK-11 is a synthetic, steroidal selective androge receptor modulator. It is a gene-selective partial agonist of the androgen receptor (AR) and does not induce the physical interaction between the NTD/AF1 and LBD/AF2 (known as the N/C interaction), which is required for full transactivation of the AR. The drug has anabolic activity in vitro in C2C12 myoblasts and shows greater potency than dihydrotestosterone (DHT) in this regard.

YK11 induces muscle cells to make even more than DHT does (a strong myostatin inhibitor). By working through the androgen receptor, YK 11 is able to product effects just as powerful.

Xi'an Biohorlden Industry&Trade Co.,Ltd is a national key high-tech enterprise,which mainly specializes in the R&D, operation and production of pharmaceuticals,and intermediates.Our company is situated in E&T development zone,xi'an city shaanxi,it is easy of access. Our company has independent R&D center,raw material synthesis workshop, has advanced quality instruments and equipmentm,several product patents there are 15 experts in our research team.We insist in innovation and produce high quality products.