YK-11 Magnus Pharmaceuticals YK-11 belongs to the group of SARMs, which has the ability to reduce myostatin activity, making it a myostatin inhibitor. YK-11 is definitely one of the strongest SARM on the market. For dry muscle mass without water retention!
Umbrella Labs RAD 140 prevents and treats muscle wasting and promotes neuroprotection. The product is an excellent alternative to testosterone replacement therapy. RAD 140 has the best of a SARM as it stimulates muscle weight growth at a lower dose than other SARM products.