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YK-11 by Umbrella Labs, the new brand arrived on SuppsIT reference for quality and control of raw materials, is not really a SARM because as a chemical structure it is closer to AAS. However it is often referred to as SARMs and even studied as such. At the same time it is known to be a famous myostatin blocker. YK-11 is a partial androgen receptor agonist that activates the transcriptional activity of the androgen receptor. YK-11 exhibits similar properties to a myostatin inhibitor and acts as an anti-catabolic compound.
YK-11 also accelerates proliferation and mineralization and increases the expression of osteoblast differentiation markers osteoprotegerin and osteocalcin.
YK-11 is currently being researched in Japan by a state-sponsored team of scientists. A study on YK-11 dates back to 2011 and concludes that considering it is a SARM because it partially binds to androgen receptors. In the second study from 2013, the effect on C2C12 muscle cells in the petri dish was investigated. Administration of YK-11 has been found to produce more anabolic factors than a comparable amount of dihydrotestosterone (DHT).
The revolutionary feature of this study is that YK-11 stimulates muscle cells to produce more follistatin, a myostatin inhibitor. Since myostatin is the limiting factor of muscle growth, blocking means simplified and theoretically expressed infinite muscle growth.
YK-11 is to be considered stronger than classic AAS, great for huge muscle growth, increase muscle mass and strength in the shortest possible time, enhancing the anabolic effect thanks to the inhibition of myostatin, which makes it the SARMs among the most powerful ever.

Serving size: 1 drop
Servings: 30 servings
Content per serving: YK-11: 10 mg

Main effects:
- Extremely powerful SARM
- Increases Follistatin, inhibiting Myostatin
- Unlock growth potential
- Stimulates the intensive growth of muscle mass
- Promotes fat loss
- Prevents catabolism during the diet
- Improved power and speed
- Increase the resistance
- Biochemical and physiological prevention of neuronal damage
- Improvement of blood circulation
- Slowing down the aging process of cells

Take 1 drop away from main meals
At the end of the cycle, a PCT with the appropriate products available is always recommended.
Also useful products such as NAC, LiveR or Liv.52. In addition to Arjuna, Karela, Coletix.

Specific References

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