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YK-11

YK-11

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Substance Overview and History

YK11, a steroidal SARM, was discovered in 2011 by Kanno’s team. Unlike traditional SARMs, it has a steroid-based structure, allowing unique interaction with androgen receptors. It functions as a partial receptor activator, minimizing typical androgenic responses while promoting muscle growth. YK11 also enhances follistatin levels, which helps inhibit myostatin, further supporting muscle hypertrophy. Its dual role in androgen activity and myostatin suppression makes it notable for research and athletic enhancement.

References:

Llewellyn, W. (2017). William Llewellyn's Anabolics.
United States: Molecular Nutrition, LLC.

Disclaimer: Information provided it this page is for general information only and does not substitute for professional medical advice.

For more details consult with your doctor or healthcare professional.

FAQ
What is YK11?
YK11 is a steroidal selective androgen receptor modulator (SARM) that promotes muscle growth through partial activation of androgen receptors and increased follistatin levels.
References:

Llewellyn, W. (2017). William Llewellyn's Anabolics.
United States: Molecular Nutrition, LLC.

How does YK11 differ from other SARMs?
Unlike most non steroidal SARMs, YK11 has a steroid-based structure, offering unique interaction with androgen receptors and a different mechanism of action.
References:

Llewellyn, W. (2017). William Llewellyn's Anabolics.
United States: Molecular Nutrition, LLC.

What effects does YK11 have on muscle growth?
YK11 improves muscle development by binding to androgen receptors and increasing follistatin, which inhibits myostatin a protein that limits muscle growth.
References:

Llewellyn, W. (2017). William Llewellyn's Anabolics.
United States: Molecular Nutrition, LLC.