Description

Technical Parameters

MK -2866 (Ostarin) Raw Material Powder Product Introduction

Pure Pharmaceutical Raw Material Powder | MK-2866 (Ostarine) Selective Androgen Receptor Modulator

CAS No .: 841205-47-8

Molecular formula : C₁₉H₁₄F₃N₃O₃

Molecular weight : 389.33

Purity : ≥99% (HPLC)

Melting point : 178°C-182°C

Appearance : White crystalline powder

Usage

MK-2866 (Ostarin) is a selective androgen receptor modulator (SARM) widely used for muscle growth, fat loss, osteoporosis treatment, and muscle atrophy prevention due to its tissue-selective anabolic effects .

✅ Selective muscle growth :

Preferentially acts on skeletal muscle and bone tissue to increase lean body mass

8-12 week cycle can increase muscle mass by 3-5kg (combined with resistance training)

✅ Fat reduction :

Increase basal metabolic rate and promote fat decomposition

Preserve lean body mass and achieve high-quality fat loss

✅ Medical Applications :

Treat osteoporosis and increase bone density

Prevent muscle atrophy and improve quality of life

MK -2866 (Ostarin) Features

High selectivity :

Muscle /bone selective , minimal impact on prostate and hair follicles

No estrogen/progestin activity , low risk of side effects

Oral high efficacy :

High oral bioavailability (>90%)

Take once a day , no injection required

High security :

Non- hormonal compounds that do not inhibit the secretion of one's own hormones

Extremely low hepatotoxicity , suitable for long-term use

Moderate half-life :

24- hour half-life , once-daily dosing is sufficient

Stabilize blood drug concentration and avoid fluctuations

MK -2866 (Ostarin) Applications

Muscle Building :

Dosage : 15-25 mg/day for 8-12 weeks

Effect : Increased lean body mass and improved muscle firmness

Cutting Cycle :

Dosage : 10-15 mg/day, combined with aerobic exercise

Effect : Fat loss while preserving muscle

Osteoporosis Treatment :

Medical dosage : 3-5 mg/day for long-term use

Improvement : Increased bone density and reduced risk of fractures

Precautions

Dose control : High doses (>30mg/day) may cause mild androgenic side effects

PCT requirement : Mild PCT may be required after the cycle (such as tamoxifen 10mg/day × 2 weeks)

Why choose MK-2866 ?

One of the safest SARMs with extremely low risk of side effects

Tissue selectivity , avoiding the side effects of traditional steroids

Multiple applications , including muscle building, fat loss and medical use

Quality Assurance :

GMP -compliant production , each batch HPLC purity tested (≥99% )

Third-party laboratory report (COA) is included with the goods

Aseptic production process to ensure safety

Worldwide Shipping :

Original sealed packaging , moisture-proof and light-proof

Private delivery , no logo on the outer packaging

Conclusion

MK-2866 is a benchmark product for selective androgen regulation , particularly suitable for muscle growth, fat loss, and osteoporosis treatment . The recommended dose is 10-25mg/day .

Need a specific usage plan ?

We provide professional medication guidance to help you achieve your goals safely and efficiently!

Special Tips :

Although MK-2866 is relatively safe, a cycle of no more than 12 weeks is recommended. Regular blood tests are recommended during use to monitor liver function and other health indicators.

If you need anything, please contact Allen