ACTIVE HALF-LIFE
12 hours
CLASSIFICATION
Myostatin Inhibitor
DOSAGE
10-15 mg/day
MANUFACTURER
Deus Medical
LAB TEST
See Document
WAREHOUSE
EU Warehouse 2
SUBSTANCE
YK-11
What is YK11?
YK11 is an advanced, steroid-based Selective Androgen Receptor Modulator (SARM) renowned for its powerful Myostatin-inhibiting properties. As one of the most effective SARMs on the market, its muscle-building potential rivals that of certain anabolic steroids.
This cutting-edge SARM selectively targets androgen receptors in muscle tissue, providing significant gains while reducing the negative side effects typically associated with traditional steroids, such as prostate complications. YK11's ability to inhibit Myostatin is a key factor in its rising popularity, making it an ideal choice for preserving or even enhancing muscle mass during cutting cycles.
How YK11 Works
To grasp how YK11 functions, it's essential to understand the relationship between Myostatin and Follistatin. Myostatin is a protein that restricts muscle growth, while Follistatin promotes it. YK11 elevates Follistatin levels by suppressing Myostatin, enabling users to maintain muscle retention and experience impressive muscle mass gains.
YK11 in Sports
Due to its remarkable benefits, such as increased muscle mass and strength, YK11 is prohibited in most competitive sports, including the Olympics. It is classified as a banned substance by both the World Anti-Doping Agency (WADA) and the United States Anti-Doping Agency (USADA). As a result, athletes competing at any level should avoid using this compound.
For more information on the legality of YK11 and other SARMs, be sure to read our article on the legal status of SARMs.
Benefits of YK11
Wondering what YK11 can do for you? Here are its standout benefits:
- Enhanced muscle growth
- Improved bone strength
- Increased overall strength
Possible Side Effects of YK11
Users who adhere to the recommended dosages often report significant gains in muscle and strength with minimal side effects. However, some individuals may experience:
- Temporary hair loss (most users report regrowth within weeks, possibly stress-related)
- Mild acne (typically resolves post-cycle)
- Increased aggression
- Reduced libido (due to testosterone suppression; levels normalize after discontinuation)
- Gynecomastia (very rare, generally only in those taking 40 mg daily for over 12 weeks)
Notably, YK11 is safe for the liver at dosages up to 30 mg; higher doses may lead to potential harm.
Dosage and Cycle Length
Bodybuilders often find optimal results with a daily dosage of 10 to 15 mg over an 8-week cycle, experiencing few side effects. Beginners are advised to start at 5 mg daily for a duration of 6 to 8 weeks, achieving significant gains without pushing genetic limits.
Half-Life
Research indicates that YK11 has a half-life of approximately 12 hours. For best results, users should split their dosages, taking one in the morning and the other in the evening. For a 5 mg daily dose, this translates to 2.5 mg in the morning and 2.5 mg in the evening.
Addressing Hair Loss Concerns
It's important to clarify that YK11 itself does not lead to hair loss; such issues often stem from inferior prohormones. To minimize side effects like hair loss, always purchase SARMs from reputable sources.
Stacking Recommendations
Due to YK11's potency, stacking it with other SARMs is not recommended, as additional SARMs may occupy androgen receptors without offering extra benefits. Since YK11 is already suppressive, combining it with other suppressive compounds is ill-advised. For a more effective experience, consider cycling YK11 on its own.
Complementary Compounds
YK11 pairs well with non-hormonal compounds like MK 677, Cardarine, and SR9009. These compounds work effectively alongside SARMs. For fat loss, Cardarine or SR9009 are excellent choices, while MK 677 is ideal for those looking to bulk up.
YK11 and MK 677 Stack
The combination of YK11 and MK 677 is a popular choice for good reason. YK11 promotes muscle and strength gains while facilitating fat loss, and MK 677 supports both muscle growth and fat metabolism. Taking MK 677 in the morning may boost appetite, which is beneficial for bulking, while evening doses can help avoid this effect. This stack is particularly appealing as MK 677 is non-hormonal, minimizing suppression.
Post Cycle Therapy (PCT) Considerations
Regarding PCT, whether you need it largely depends on your individual response to suppression, which can only be confirmed through blood tests. Generally, SARMs, including YK11, are not highly suppressive, allowing for natural recovery within weeks after cycling if quality compounds are used.
While some may experience more significant suppression due to lower-quality products, ensuring quality is crucial. If you feel fatigued and low-energy, you might be experiencing suppression; otherwise, you?re likely doing fine.
Conclusion
In conclusion, YK11 is a standout SARM, delivering muscle and strength gains comparable to certain anabolic steroids and surpassing many other strong SARMs like LGD 4033 or RAD140. However, it is vital to acknowledge the limited studies and clinical trials on YK11. To maximize effectiveness and minimize side effects, always opt for high-quality products and adhere to recommended dosages and cycle lengths.

