YK-11 is one of the most popular SARMS on the market.

YK 11 provides the most rapid increase in muscle mass retaining effects even after usage.  YK-11 is a myostatin blocker, which acts as an anti-catabolic compound.

The Benefits of using YK-11 are:

• Increases muscle building with less side effects than prohormones
• No estrogenic side effects
• No hepatoxicity so safe to stack with another SARM or prohormone
• Faster muscle growth than any natural test booster
• Much improved recovery

YK-11 is a compound that binds itself to the androgen receptors of the muscle so effectively that it has the ability to provide impressive gains in lean muscle.

In fact, preliminary research has shown that YK-11  has a stronger anabolic effect than traditional steroids. It also been found to inhibit myostatin which is a protein produced in the body that prevents muscle cell growth and differentiation.

Therefore blocking myostatin will increase muscle cell growth and differentiation.

YK-11 is not known to be hepatotoxic, meaning it is not damaging to the liver.  However, due to the androgenic properties it is recommended to use an on-cycle supplement.  YK-11 supplementation should be limited to 4-8 cycles followed by Sarm Supplements post cycle therapy (PCT).