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YK11 Capsules


YK-11 SARM, a myostatin inhibitor and selective androgen receptor modulator, is believed to promote muscle growth, strength gains, and potentially aid in bone health.

– 60 CAPSULES per Bottle | 10mg Per Capsule –

Choose support supplements PCT, Test Base or Cycle Support with your capsule order and save 10%!

562 in stock

First time customer gets 15% discount code = 1storder

YK-11 Myostine Capsules Germany

YK-11 Myostine Capsules SARM is a synthetic compound that was discovered for the first time in 2011 by Japanese researchers. Unlike other SARMs, YK-11 also functions as a myostatin inhibitor, meaning it has the potential to increase muscle growth beyond that of conventional SARMs. As a Germany research chemical, however, its safety and efficacy have not yet been established.

The liquid form of YK 11 is a more potent SARM, or Selective Androgen Receptor Modulator. YK 11 binds to androgen receptors, thereby activating anabolic factors in muscle cells. These anabolic factors stimulate muscle development.

As a myostatin inhibitor, YK11 prevents the organism from producing myostatin. It is a protein that inhibits muscle growth in the organism. The muscle building mechanism of YK-11 Myostine Capsules promotes the production of Follistatin, an inhibitor/antagonist of myostatin, by muscle cells. Its follistatin expression indicates a decrease in myostatin production and an increase in muscle cell growth. Other SARMs do not inhibit myostatin.

Benefits of YK-11 Myostine Capsules Germany

Increased Muscle Mass and Strength

Although, YK-11, often categorized as a SARM but technically a myostatin inhibitor, is thought to increase muscle growth through a unique mechanism of action. By inhibiting myostatin, a protein that controls muscle growth and differentiation, YK-11 may allow for enhanced muscle development beyond genetic limits. This compound also functions as a selective androgen receptor modulator, activating anabolic pathways in muscle cells to promote protein synthesis and muscle hypertrophy. Users of YK-11 Myostine Capsules in laboratory research have reported rapid gains in lean muscle mass, improved strength, and overall performance enhancements. However, as with any research compound, the efficacy and safety of YK-11 require further investigation to fully understand its potential benefits and risks associated with muscle growth.

Improved Bone Health

Protein kinase B (PKB) activation in cells transmits signals that promote bone growth – and YK11 appears to increase these levels. As is the case with other commonly used SARMs, YK 11 is being investigated for bone health applications, which could make this compound a popular choice for those with bone fragility and muscle weakness. A Germany study on mice showed that YK-11 increased bone mineral density and bone strength. This suggests that YK-11 Myostine Capsules may have the potential to treat conditions such as osteoporosis.

Reduced Fatigue

YK-11 Myostine Capsules may also have the potential to reduce fatigue during physical activity. In a Germany study on mice, YK 11 increased the production of follistatin, follistatin expression is known to reduce fatigue during exercise.

Improved Cognitive Function

Recent Germany studies have suggested that androgens may play a role in cognitive function. YK-11 Myostine Capsules have been shown to have similar effects on androgen receptors as testosterone, which suggests it may have the potential to improve cognitive function according to laboratory research.

Like our YK-11 Myostine Capsules? Shop more YK-11 SARM products here from Direct SARMS Germany


[1]  Selective Androgen Receptor Modulator, YK11, Up-Regulates Osteoblastic Proliferation and Differentiation in MC3T3-E1 Cells. Biol Pharm Bull. 2018;41(3):394-398. By Yatsu T, Kusakabe T, Kato K, Inouye Y, Nemoto K, Kanno Y.

[2] Myostatin inhibitor YK11 as a preventative health supplement for bacterial sepsis, Biochemical and Biophysical Research Communications
Volume 543, 5 March 2021, Pages 1-7 by Su Jin Lee, Amal Gharbi, Joo Eun Shin, In Duk Jung, Yeong Min Park

Molecular Formula: C20H24ClN3O4S
Molecular Mass : 437.94026 g/mol


Do I need PCT & other supplements?

Post-cycle therapy (PCT) is deemed necessary when taking YK-11 Myostine Capsules, according to Germany scientific research. The administration of PCT alongside YK-11 SARM has been shown to aid in the preservation of muscular mass, fat burning, and an elevation in mood and energy levels.

The use of certain selective androgen receptors (SARMS) may lead to temporary suppression of natural testosterone levels. Therefore, it is imperative to restore testosterone levels to their baseline after completing a SARMS cycle in order to maintain the achieved results. The duration of the PCT should correspond to the duration of the SARMS cycle length.

While a Post Cycle Therapy is not a compulsory requirement during SARMS usage, it is prudent for Germany science researchers to opt for PCT for a duration of at least four weeks, as a precautionary measure. Accordingly, some bodybuilders advocate for the incorporation of a test booster as part of their regimen.

Interested in Sarms Supplements? Check out post cycle therapy, cycle support & test base here.

Disclaimer: We do not supply sarms or peptides to any individual under the age of 21. You must be a licensed and qualified healthcare practitioner. Our team of dedicated professionals are committed to providing an extensive range of products used ONLY in the process of laboratory research by responsible trained and professional individuals. All products listed on this website (direct-sarms.com) and provided through Direct Sarms are intended for laboratory research purposes only. The products listed on this website are NOT for human or animal consumption or ingestion of any kind.

All images are for display purposes only. The products you receive may differ slightly from the images. But the quality always remands as a premium product.


YK-11 HPLC Certificate