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Ostarine (MK-2866) Versatile SARM for Muscle Growth, Fat Loss, and Body Recomposition

Reference Price: USD 200-300

  • Product Name Ostarine(MK-2866)Ostarine(MK-2866)
  • CAS No. 841205-47-8841205-47-8
  • MF C19H14F3N3O3C19H14F3N3O3
  • MW 389.334389.334
  • Density 1.4181.418
  • Refractive index 1.5781.578
  • Acidity coefficient (pka) 12.13±0.29(Predicted)12.13±0.29(Predicted)

Detailed Description

Ostarine, also known as MK-2866, GTx-024, and Enobosarm, is a selective androgen receptor modulator (SARM) developed by GTx Inc. It is widely used and recognized as one of the safest SARMs available. Ostarine has shown promising results in clinical trials for preventing muscle loss associated with conditions like cancer. It has gained popularity in the bodybuilding community due to its ability to enhance muscle growth, burn fat, and improve body composition without the side effects commonly associated with anabolic steroids. This article provides an overview of Ostarine, including its uses, dosages, expected results, and safety profile.

I. What is Ostarine (MK-2866)?
A. Synthetic SARM developed by GTx Inc.
B. Investigational drug for preventing muscle loss
C. Selectively enhances muscle and bone tissue
D. No androgenic properties in non-muscle tissues and no hepatotoxicity


II. How to Use Ostarine (MK-2866)?

A. Different opinions on usage (stacking or standalone)

B. Recommended starting dosage: 15-20mg per day

C. Common bodybuilding dosage: 25-30mg per day for 6-8 weeks

D. Half-life of approximately 24 hours, once-a-day dosing

E. Maintain consistent blood concentration for desired effects

III. Expected Results with Ostarine (MK-2866)
A. Muscle Growth during Bulking
Enhances muscle strength and reduces fatigue
Promotes protein synthesis and increases net muscle mass
Minimal water retention compared to steroids
Good progress in a 6-8 week cycle
B. Fat Loss
Complements fat loss efforts by preserving muscle mass
Prevents muscle catabolism during calorie deficit
Synergistic effects with other compounds like GW-501516, S-4, and YK-11
C. Body Recomposition
Simultaneously reduces body fat and increases muscle mass
Moderate muscle growth (3-5 pounds) with fat reduction
IV. Safety of Ostarine (MK-2866)
A. Non-hormonal synthetic drug, not metabolized into androgens
B. Does not aromatize into estrogens, reducing the risk of gynecomastia
C. Proven safety profile in clinical studies
D. Minimizes side effects associated with traditional steroids
E. Well-tolerated by users without reported adverse reactions


Ostarine (MK-2866) is a versatile SARM that offers several benefits for bodybuilders and fitness enthusiasts. It effectively promotes muscle growth, aids in fat loss without muscle catabolism, and supports body recomposition goals. Ostarine's safety profile, demonstrated in clinical studies, makes it an attractive alternative to traditional steroids. Whether you are new to SARMs or looking to enhance your next cycle, Ostarine can provide the desired results without the commonly associated side effects. It is essential to use Ostarine responsibly and follow recommended dosages and cycles for optimal outcomes.