SARMs – Myostatin (YK-11) 5 mg

SARMS-Myostatin® 5 mg (commonly referred to as YK-11) is a compound often described as a selective androgen receptor modulator with additional activity related to myostatin inhibition. It is used in performance contexts for muscle growth and strength development.

How it works

YK-11 is believed to bind to androgen receptors and may influence pathways related to myostatin, a protein that limits muscle growth. By reducing myostatin activity and potentially increasing follistatin levels, it may support muscle cell growth, repair, and strength development. Its exact mechanism in humans is not fully established and remains under-researched.

Benefits

Users commonly associate YK-11 with increased muscle mass, improved strength, enhanced recovery, and a more defined physique. It is often considered a more “advanced” compound due to its strong muscle-building claims and potential effects on muscle growth regulation pathways.

Side effects

Possible side effects may include testosterone suppression, joint discomfort, hair shedding, hormonal imbalance, and general androgen-related effects depending on dosage and cycle length. Because research in humans is limited, the full safety profile is not well understood, and caution is generally advised when discussing or considering such compounds.