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
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What is YK11?
YK11 is a steroid-based Selective Androgen Receptor Modulator (SARM) that functions as a Myostatin inhibitor. It's recognized as one of the most potent SARMs available, with effectiveness on par with certain steroids.
As a SARM, YK11 specifically targets androgen receptors. Unlike traditional steroids, SARMs are selective, effectively binding to androgen receptors in the muscles while minimizing the adverse effects commonly associated with steroids, such as prostate issues. YK11's ability to inhibit Myostatin, a significant reason for its increasing popularity, means it helps maintain or even increase muscle mass during cutting phases.
How YK11 Works
To understand how YK11 operates, it’s crucial to know about Myostatin and Follistatin. Myostatin is a protein that inhibits muscle growth and strength, whereas Follistatin acts as its antagonist, promoting muscle growth. YK11 increases Follistatin levels by suppressing Myostatin, ensuring muscle retention and leading to notable gains in muscle mass due to heightened Follistatin levels.
YK11 in Sports
Due to the considerable advantages it offers, such as enhanced muscle mass and strength, YK11 is banned by most sports organizations, including the Olympics. It is recognized as a prohibited substance by both the World Anti-Doping Agency (WADA) and the United States Anti-Doping Agency (USADA). Therefore, professional athletes competing at any level should refrain from using this compound.
For further insights into the legality of YK11 and other SARMs, check out our article discussing whether SARMs are legal.
Benefits of YK11
You're likely most interested in what YK11 can do for you. Here are its main benefits:
YK11 Side Effects
Users who followed the prescribed dosages typically report significant muscle and strength gains with minimal side effects. However, some do experience:
Notably, YK11 does not cause liver damage at doses up to 30mg; dosages above this may become harmful to the liver or other organs.
Dosage and Cycle Length
Bodybuilders often see excellent results with a daily dosage of 10 to 15mg, experiencing minimal side effects over an 8-week cycle. For novices, starting with 5mg daily for 6 to 8 weeks is advisable, as significant gains can be achieved without nearing genetic limits.
Half-Life
Research indicates that YK11 has a half-life of approximately 12 hours. For optimal levels, users should divide their dosages, taking one in the morning and the other in the evening. For a 5mg daily dosage, this would mean taking 2.5mg in both the morning and evening.
Hair Loss Concerns
In brief, YK11 does not cause hair loss; rather, such issues often arise from prohormones in inferior products. It is advisable to purchase SARMs from reputable vendors to minimize side effects like hair loss.
Stacking with Other SARMs
It is not recommended to stack YK11 with other SARMs due to its potency—the additional SARMs could occupy androgen receptors without providing additional benefits. Moreover, since YK11 is already suppressive, adding more suppressive compounds is ill-advised.
For a more effective experience, it’s better to cycle YK11 independently.
Stacking with Other Compounds
Some compounds complement YK11 well, including MK 677, Cardarine, and SR9009. These are non-hormonal (non-suppressive) and work efficiently alongside SARMs. For fat loss, consider Cardarine or SR9009, while MK 677 is ideal for those looking to bulk up.
YK11 and MK 677 Stack
The YK11 and MK 677 combination is a popular choice, and for good reason. YK11 enhances muscle and strength gains while facilitating fat loss, and MK 677 further supports both muscle development and fat metabolism. Taking MK 677 in the morning may boost appetite, beneficial for bulking, while evening doses can avoid this effect. This stack is appealing because MK 677 is non-hormonal, thus not adding to suppression.
YK11 PCT
Regarding Post Cycle Therapy (PCT), determining whether you need it largely depends on whether you're experiencing suppression. The only way to know for sure is through blood tests. Generally, SARMs, including YK11, are not highly suppressive, allowing for natural recovery within weeks post-cycle if high-quality compounds are used.
While some individuals do experience more severe suppression due to subpar products, quality assurance is critical. If you're feeling fatigued and low-energy, you might be suppressed; otherwise, it’s likely you’re fine.
Conclusion
In summary, YK11 stands out as one of the most potent SARMs available, with muscle and strength gains rivaling those achieved through certain anabolic steroids and surpassing many other strong SARMs like LGD 4033 or RAD140. However, it's essential to note the lack of extensive studies and clinical trials on YK11. To ensure effective results while minimizing side effects, make sure to use high-quality products and adhere to recommended dosages and cycle lengths.