5 mg in every capsule

YK11 is chemically a SARM that acts as an inhibitor for myostatin.


  • Blocks myostatin receptors
  • Synthesis of follistatin is improved
  • Improved lifting strength
  • Lean look
  • Hair fall prevented
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Selective androgen receptor modulators or SARMS, as they are known in the bodybuilding world, stimulate anabolic steroids to give lean muscle mass growth. However, negative symptoms are minimal. Clinical trials in Japan are researching the effects of another SARM called YK11. This is supposed to be the game-changer.

How YK11 works in the body

Yuichiro Kanno of Toho University in 2011 confirmed this compound to be a SARM by extensive clinical trials. However, many people in the scientific community also believe that YK11 also functions as a myostatin Inhibitor.

YK11 binds to androgen receptors and enables muscle volume growth while reducing side-effects from steroid usage. SARMS have restricted androgenic effects and therefore a lower anabolic impact when combined with testosterone.

YK11 is a Myostatin inhibitor. Myostatin essentially prevents muscle development. This can improve your chances of building your dream physique. The success of YK11 has been proven to be true by extensive scientific research.

A recommended dose of 2-5 mg twice a day should be enough. After the body gets used to it, the dosage may be increased.

The effects of YK11 should be studied in depth before considering using it. However, even at low dosages of 30mg, there weren’t any reported side effects.

This Sarm promises to be an efficient lean muscle building supplement without causing any noticeable side-effects. It is a myostatin inhibitor and can be combined together with different SARMs. The only disadvantage is that it’s never been used on human test subjects.

Research chemical only


Arcas Nutrition


Strength, Volume

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