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YK 11 10 mg

Potent Myostatin Inhibitor & SARM

Lab Tested

Substance: Myostine (YK-11)
Strength: 10 mg/tablet
Form: Oral tablets
Packaging: 100 tablets
Manufacturer: Dragon Pharma, Europe

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Dragon Pharma YK-11 (Myostine)

Dragon Pharma YK-11 10 mg, known pharmaceutically as Myostine, represents a revolutionary frontier in performance enhancement, blurring the lines between a Selective Androgen Receptor Modulator (SARM) and a true myostatin inhibitor. This unique dual-action compound is engineered for the advanced athlete who seeks to push beyond the natural genetic limits of muscle hypertrophy. YK-11's primary claim to fame is its ability to directly inhibit myostatin, a protein that acts as the body's master regulator to suppress excessive muscle growth. By blocking this natural "brake," YK-11 creates a physiological environment conducive to extraordinary muscle development, potentially increasing both the size (hypertrophy) and number (hyperplasia) of muscle fibers.

Produced in Dragon Pharma's EU-certified facilities, each 10 mg tablet offers a precise and potent dose of this powerful research compound. Beyond myostatin inhibition, YK-11 also functions as a partial agonist of the androgen receptor, selectively promoting anabolic activity in muscle and bone tissue. This synergy can result in rapid, dry lean mass gains, dramatic increases in strength and power, and significant fat loss, all while aiming to minimize androgenic side effects on non-target tissues like the prostate and skin. The gains from YK-11 are often described as "3D" – dense, hard, and full, with pronounced vascularity, making it a favorite during recomping or lean bulk phases.

It is crucial to understand that YK-11's potency comes with significant responsibility. It is one of the most suppressive SARMs, severely impacting the HPTA (Hypothalamic-Pituitary-Testicular Axis) and necessitating a strict Post Cycle Therapy (PCT). Furthermore, its unique mechanism can lead to joint stiffness, as connective tissues may struggle to adapt to rapidly increasing strength. Therefore, this product is unequivocally recommended only for experienced users with a foundation of cycle knowledge and a commitment to comprehensive on-cycle support and post-cycle recovery protocols.

Key Benefits:

Myostatin Inhibition for Extreme Growth: Unlocks genetic muscle-building potential by blocking the myostatin protein, potentially leading to unparalleled muscle hyperplasia and hypertrophy beyond standard SARM limits.
Rapid, Dry Lean Mass Accretion: Promotes the addition of high-quality, dense muscle tissue with minimal water retention, contributing to a peeled, grainy, and vascular physique.
Dramatic Strength & Power Surge: Leads to profound and rapid increases in strength, one-rep max, and overall gym performance, allowing for more intense and progressive overload.
Enhanced Fat Loss & Metabolism: Increases basal metabolic rate and promotes a favorable shift in body composition, helping to burn stubborn fat while building muscle.
Androgen Receptor Activation: Acts as a potent SARM, selectively stimulating anabolic pathways in muscle and bone for compounded growth and performance effects.

Each sachet contains 100 tablets of 10mg Myostine (YK-11), manufactured under strict quality control standards in Dragon Pharma's certified facilities.

Product Specifications

Product Name	YK-11 10 mg
Manufacturer	Dragon Pharma
Substance	Myostine (YK-11)
Packaging	100 tablets in sealed sachet
Lab Test Result	9.29 mg (April 2025)
Half-Life	Approximately 6 - 12 hours
Recommended Cycle	6 - 8 weeks maximum
Form	Oral tablet
Aromatization	No (Non-estrogenic, but highly suppressive)
Dosage (Men)	5 - 15 mg per day (split doses)

Usage Guidelines

Warning: YK-11 is an advanced, highly suppressive compound. These guidelines are for informational purposes. Blood work before, during, and after a cycle is strongly advised. Always have your PCT (Post Cycle Therapy) compounds on hand before starting. Consider using a testosterone base (like Testabol 400) to combat severe suppression during longer or higher-dose cycles.

Beginner Cycle (Not Recommended; 6 weeks max if attempted): 5-10 mg per day, split into two doses (e.g., morning and pre-workout). This is a very strong starting point. Support with a joint supplement (Cissus, Glucosamine) and a liver aid like Livagen. PCT with Enclomiphene or Nolvadex is mandatory.
Intermediate Cycle (8 weeks): 10-12 mg per day, split into two doses. For users with prior SARM/AAS experience. Strongly consider a testosterone base. Incorporate cardiovascular support like GW501516 to mitigate potential negative lipid impacts. Aggressive PCT required.
Advanced Cycle (8 weeks): 12-15 mg per day, split into two doses. Only for experienced bodybuilders. A testosterone base is highly recommended to avoid debilitating low-T symptoms. Can be stacked with other compounds like MK-677 for enhanced recovery and growth hormone pulse. Requires comprehensive on-cycle support and a powerful, extended PCT.

Post Cycle Therapy (PCT):

Begin PCT 24 hours after your last YK-11 dose. Due to extreme suppression, a robust 4-6 week PCT is non-negotiable. A typical protocol: Weeks 1-2: Clomid 50mg/day or Nolvadex 40mg/day. Weeks 3-4: Clomid 25mg/day or Nolvadex 20mg/day. Consider extending at a lower dose for weeks 5-6 if blood work shows slow recovery. A product like HCG can be used in a blast before starting SERMs, but this requires precise timing.

Liver Protection & On-Cycle Support:

While not severely hepatotoxic, YK-11 still adds metabolic stress. Use a comprehensive liver support supplement (NAC, TUDCA, Milk Thistle). Pay close attention to joint health: supplement with Omega-3s, Cissus Quadrangularis, and Glucosamine. Monitor blood pressure and cholesterol regularly. A heart-healthy diet, cardio, and supplements like Citrus Bergamot or Fish Oil are essential.

Third-Party Lab Tested

Dragon Pharma YK-11 Lab Test Report April 18 2025

2025-04-18

View Result

9.29 mg

Note: Independent lab testing verifies the active substance content per tablet, ensuring you receive a genuine, accurately dosed Dragon Pharma product. The April 2025 result of 9.29 mg per tablet confirms product purity and consistency.

Storage Instructions

To preserve the integrity, potency, and shelf life of your Dragon Pharma YK-11 (Myostine) tablets, please follow these storage protocols:

Environment: Store in a cool, dry, and dark place. Avoid exposure to direct sunlight, humidity (e.g., bathrooms), and heat sources like stoves or heating vents.
Temperature: Maintain a stable storage temperature between 15°C and 25°C (59°F and 77°F). Do not freeze.
Container: Keep the tablets in their original, factory-sealed Dragon Pharma sachet until ready for use. The foil sachet provides an optimal barrier against light, oxygen, and moisture.
Safety: Store in a secure location out of the reach of children and pets. Do not transfer to unmarked containers.
Shelf Life: When stored under the recommended conditions, the product retains full potency for up to 3 years from the manufacturing date. Discard if the sachet seal is broken or compromised.

What is the function of YK11?

YK-11, known as Myostine, serves two primary functions: it acts as a potent myostatin inhibitor and a selective androgen receptor modulator (SARM). As a myostatin inhibitor, it blocks the myostatin protein, a natural limiter of muscle growth, potentially allowing for exceptional muscle hyperplasia (increase in muscle fiber number) and hypertrophy (increase in muscle fiber size). Concurrently, its SARM activity selectively binds to androgen receptors in muscle and bone, promoting anabolism, strength, and fat loss without extensive androgenic side effects in other tissues.

What are the side effects of YK11?

Common side effects of YK-11 can include significant suppression of natural testosterone production, requiring Post Cycle Therapy (PCT). Users may also experience androgenic side effects like hair loss or acne (in predisposed individuals), joint stiffness or dry joints, and potential negative impacts on cholesterol (lowering HDL, raising LDL). Due to its unique mechanism, there is also a theoretical risk of tendon strength not keeping pace with rapid muscle gains, increasing injury risk. Proper dosing, cycle length, and on-cycle support are crucial to mitigate these effects.

Does YK11 actually inhibit myostatin?

Yes, research indicates that YK-11 functions as a genuine myostatin inhibitor. It achieves this by binding to and blocking the activity of the myostatin protein, which is a key negative regulator of muscle growth. By inhibiting myostatin, YK-11 removes a natural 'brake' on muscle development, potentially leading to the kind of extreme muscle growth seen in animals and humans with genetic myostatin deficiencies. This dual-action as both a myostatin inhibitor and a SARM is what makes YK-11 a uniquely powerful compound in the performance enhancement category.

Does YK11 show up on a drug test?

Standard workplace or sports drug tests typically screen for common narcotics, amphetamines, and specific banned substances like traditional anabolic steroids. YK-11, being a research chemical/SARM, is not usually included in these standard panels. However, it is banned by major sports organizations like WADA. Specialized SARM tests or advanced mass spectrometry screening can detect it. Athletes subject to competitive testing should assume YK-11 is detectable and prohibited.

Is YK11 more powerful than other SARMs like LGD-4033?

YK-11 is considered qualitatively different and often regarded as more powerful in terms of its pure muscle-building potential due to its unique myostatin inhibition. While SARMs like LGD-4033 (Ligandrol) are potent anabolic agents, they work primarily through the androgen receptor. YK-11 adds a second, profound mechanism by blocking myostatin. This can lead to a different quality of gains—potentially more extreme and with a focus on hyperplasia. However, this also comes with a potentially higher risk of side effects, especially suppression and joint issues, making it a compound best suited for experienced users.

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