Description

Ostarine (MK-2866) ZPHC – 20 mg (100 Tablets x 20 mg)

Product Overview

Ostarine, also known as MK-2866 or Enobosarm, is a selective androgen receptor modulator (SARM) developed for its tissue-selective anabolic properties. This compound demonstrates a high binding affinity for androgen receptors, with a reported Ki of 3.8 nM, exhibiting selectivity for anabolic tissues such as muscle and bone over androgenic tissues like the prostate and seminal vesicles .

ZPHC presents this pharmaceutical-grade Ostarine in a convenient 100-tablet format, each tablet containing 20 mg of the active compound. The product is manufactured under strict quality control standards with scored, film-coated tablets that allow for precise dose adjustment.

Key Features and Benefits

Lean Muscle Preservation and Body Recomposition

Ostarine functions as a selective androgen receptor modulator designed to mimic the muscle-building effects of testosterone while minimizing androgenic side effects. Research indicates that Ostarine can stimulate the growth of anabolic tissues, with studies demonstrating its ability to restore levator ani muscle weight by 141.9% in controlled models . This makes it particularly suitable for preserving lean muscle mass during caloric deficits.

Joint and Connective Tissue Support

Beyond its muscle-preserving properties, Ostarine demonstrates mild anabolic action that may support connective tissue recovery. Users commonly report improved joint comfort and enhanced recovery during training cycles, making it a popular choice for athletes managing training stress.

Research-Grade Quality Assurance

ZPHC implements rigorous quality control measures, including:

• Laboratory testing confirming greater than 99% purity

• Comprehensive heavy metal screening

• Microbiological clearance protocols

• Sealed blister packaging within tamper-evident boxes

• Scratch-code authentication system for verification

Flexible Dosing Options

The 20 mg tablets are scored and film-coated, enabling simple division for 10 mg dosing. This flexibility accommodates both beginner protocols and more advanced cycling strategies.

Recommended Cycling Protocol

Standard Cycle

• Dosage: 10-20 mg daily

• Duration: 6-8 weeks

• Administration: Oral, preferably at the same time each day

Beginner Protocol

• Start with 10 mg daily for the first 2-3 weeks

• Assess tolerance before potentially increasing to 20 mg daily

• Monitor for any adverse effects throughout the cycle

Stacking Options

Ostarine is commonly stacked with:

• Ligandrol (LGD-4033) for enhanced anabolic effects

• Cardarine (GW-501516) for improved endurance and lipid profiles

Post-Cycle Therapy

Due to the potential for testosterone suppression, particularly at higher dosages and longer cycle lengths, post-cycle therapy is recommended following an Ostarine cycle. A typical PCT protocol may include:

• Enclomiphene citrate: 10-12.5 mg daily for 3-4 weeks

• Tamoxifen: 20 mg daily for 3-4 weeks

Blood work is strongly advised before, during, and after any cycle to monitor hormonal markers and overall health status.

Product Specifications

Quality and Safety Information

ZPHC maintains stringent quality standards throughout the manufacturing process. Each batch undergoes comprehensive testing for:

• Purity verification via HPLC

• Heavy metal analysis

• Microbial contamination screening

• Content uniformity testing

The product is supplied in tamper-evident packaging with individual blister sealing to maintain product integrity and stability.

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Frequently Asked Questions

1. What is Ostarine (MK-2866) and how does it work?

Ostarine is a selective androgen receptor modulator (SARM) that binds to androgen receptors in muscle and bone tissue. It works similarly to testosterone but with greater selectivity for anabolic tissues, potentially offering muscle-building benefits with reduced androgenic side effects. Ostarine has been studied for its potential antitumor activity and its ability to increase lean body mass .

2. What is the recommended dosage for Ostarine?

The typical dosage range is 10-20 mg daily, taken orally. Beginners are advised to start with 10 mg daily for the first several weeks to assess tolerance before potentially increasing to 20 mg. The 20 mg tablets are scored to allow for easy splitting to achieve the 10 mg dose. Cycles generally last 6-8 weeks .

3. What are the potential side effects of Ostarine?

Potential side effects may include testosterone suppression, particularly at higher dosages or with extended cycle lengths. Users may experience fatigue, mood changes, or decreased libido. Some users report mild liver enzyme elevations. Hormonal suppression typically becomes noticeable around weeks 5-6 of a cycle. Regular blood work is recommended to monitor health markers .

4. Is post-cycle therapy necessary after using Ostarine?

Yes, post-cycle therapy is generally recommended to help restore natural testosterone production. A common PCT protocol includes enclomiphene citrate at 10-12.5 mg daily or tamoxifen at 20 mg daily for 3-4 weeks. The need for PCT may vary based on dosage, cycle length, and individual response. Blood work can help determine the appropriate PCT protocol .

5. Can Ostarine be stacked with other compounds?

Ostarine is frequently stacked with other compounds for enhanced effects. Common stacks include Ligandrol (LGD-4033) for additional anabolic benefits or Cardarine (GW-501516) for improved endurance and lipid profiles. Any stacking protocol should be approached with caution and thorough research .

6. How long does an Ostarine cycle typically last?

A standard Ostarine cycle typically runs for 6-8 weeks. Some users may extend to 10 weeks, but longer cycles generally increase the risk of testosterone suppression and other side effects. The 6-8 week protocol is widely considered optimal for balancing results with safety considerations .

7. What is the half-life of Ostarine?

Ostarine has a reported terminal half-life of approximately 6 hours in plasma, which is longer than some other related compounds. This half-life supports once-daily dosing for maintaining stable blood levels throughout the cycle .

8. How should Ostarine tablets be stored?

Store Ostarine tablets in a cool, dry place away from direct sunlight and moisture. Keep the product in its original packaging with sealed blisters until use to maintain stability. The tablets should be stored at room temperature and kept out of reach of children.

9. Is Ostarine approved by regulatory agencies?

Ostarine is an investigational compound that has not been approved by the US Food and Drug Administration or similar regulatory bodies for human use. It is classified as a research chemical and is also included on the World Anti-Doping Agency (WADA) prohibited list. It is supplied for research purposes only .

10. How can I verify the authenticity of my Ostarine product?

ZPHC products include a scratch-code authentication system located on the packaging. This code can be verified through the manufacturer’s official verification system to confirm product authenticity and batch information. The product is also supplied in tamper-evident packaging with sealed blisters to ensure integrity.

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References and Reputable Sources

1. PubMed – National Institutes of Health: A Computational and In Vitro Appraisal of Ostarine to Target Androgen Receptor in Glioma C6 Cells. Available at: https://pubmed.ncbi.nlm.nih.gov/40514634/ 

2. WebMD – Ostarine Overview: Comprehensive information on Ostarine uses, side effects, and precautions. Available at: https://www.webmd.com/vitamins/ai/ingredientmono-1564/ostarine 

3. InvivoChem – MK-2866 Product Information: Detailed biochemical and pharmacological data. Available at: https://www.invivochem.com/mk-2866-gtx-024.html 

4. Beyotime Biotechnology – Ostarine Specifications: Technical specifications and purity data. Available at: https://img.beyotime.com/product/SH3965-20mg.htm 

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