90 Capsules

4mg Per Capsule

What is YK-11?

YK-11, also known as Myostine, is a synthetic steroidal selective androgen receptor modulator (SARM) and myostatin inhibitor. It is commonly studied for its potential to promote muscle growth by increasing follistatin levels, which in turn may suppress myostatin—a protein that limits muscle development. YK-11 is frequently explored in research focused on muscle hypertrophy and strength enhancement.

YK-11 Research Based Benefits 

• May support studies on muscle mass increase and strength development
• Known for its potential role in myostatin inhibition and follistatin expression
• Could aid in research on sarcopenia and age-related muscle loss
• Useful for investigations into anabolic activity with selective androgenic effects
• May contribute to improved performance, recovery, and lean body composition in studies

Molecular Formula
C25H34O6

YK-11 Product Features

• Contains 90 capsules, each delivering 4mg of YK-11 (Myostine)
• Research-grade compound for advanced muscle and strength studies
• Easy-to-administer capsule format for consistent dosing
• Ideal for research on muscle building, myostatin pathways, and physical performance
• Securely packaged for long-term stability and safe handling

Studies/Resources

• YK11 promotes osteoblast proliferation and differentiation via androgen receptor activation (Biol Pharm Bull, 2018)

• YK11 reverses muscle atrophy in septic mice by inhibiting myostatin (Biochem Biophys Res Commun, 2021)

Safety Disclaimer

This product is intended for research purposes only. It is not intended for human consumption or medical use.