YK-11 appears to be a super-SARM based on the reviews, while in reality, YK-11 is not a typical SARM. It is a new synthetic steroid based on 5-α-dihydrotestosterone (DHT) which is a stronger form of testosterone that targets androgen receptors in the prostate, sex organs, hair, and liver. YK-11 has gained a lot of interest in the bodybuilding world due to its potency and ability to rapidly build muscle mass with minimal side effects.
Research has shown that YK-11 inhibits myostatin. It induces muscle cells to make more follistatin which is a strong myostatin inhibitor. Myostatin (also known as growth differentiation factor 8) is a protein produced by muscle cells that act on muscle cells to inhibit myogenesis. Research through the years shows that when you block myostatin, it allows for significantly more muscle mass.
There is little information available on the half-life of YK11. Anecdotal experiences tell us that YK11 half-life is relatively short, meaning it should be dosed multiple times per day for optimal results.
- Common dosage: 5-15mg per day
- Half-life: Approximately 4-6 hours – splitting the dosage twice per day is ideal
- Recommended cycle length: 8-12 weeks
- PCT cycle: Yes, PCT is advised
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