Ostarine MK-2866 For Sale — The Most Selective SARM in Research
Ostarine (MK-2866, Enobosarm) is the most widely studied SARM in preclinical and early clinical research — known for its exceptional tissue selectivity. Independently tested to ≥99% purity via HPLC and Mass Spectrometry. Available in liquid, powder, and capsules. Free shipping over $100.
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Research Compound Overview
What Is Ostarine MK-2866? The Gateway SARM of Preclinical Research
Ostarine (MK-2866, Enobosarm) is a non-steroidal selective androgen receptor modulator (SARM) originally developed by GTx, Inc. It is widely regarded as the most selective and best-characterized SARM in the research literature, having progressed through Phase II and Phase III clinical trials — further than any other SARM to date.
When you buy Ostarine MK-2866 for sale from PureRawz, every batch is independently verified to ≥99% purity via HPLC and Mass Spectrometry by MZ Biolabs. The Certificate of Analysis for every batch is published publicly on the product page, searchable by lot number.
Ostarine MK-2866 demonstrates exceptional tissue selectivity in animal models — producing anabolic effects in muscle and bone with significantly reduced androgenic activity in prostate and sebaceous tissue compared to testosterone. This selectivity profile makes it the most studied and referenced SARM baseline in comparative research.
Ostarine MK-2866 Product Specifications
| Compound Name | Ostarine (MK-2866, Enobosarm, GTx-024) |
| Class | Selective Androgen Receptor Modulator (SARM) |
| Molecular Formula | C₁₉H₁₄F₃N₃O₃ |
| Molecular Weight | 389.33 g/mol |
| CAS Number | 841205-47-8 |
| Purity (PureRawz) | ≥99% HPLC verified |
| Testing Lab | MZ Biolabs (independent, third-party) |
| Half-Life (animal) | ~24 hours (oral) |
| Available Forms | Liquid · Capsules · Powder |
| Intended Use | Research purposes only — not for human use |
Available Formats
Ostarine MK-2866 For Sale in Multiple Research Forms
PureRawz offers Ostarine MK-2866 in three delivery formats. All forms use the same ≥99% purity compound with batch-specific third-party COA documentation.
Pre-suspended Ostarine in carrier solution at a precise concentration. Ready for immediate research use — no reconstitution required. Available in 30ml and 60ml amber glass vials with calibrated dropper for accurate dosing.
Pre-measured oral capsules delivering a consistent, exact dose per serving. Ideal for long-duration research protocols where daily dosing consistency and convenience are priorities.
Pure Ostarine MK-2866 powder for researchers requiring custom concentrations or novel formulations. Best cost-per-milligram ratio. Available in 1g and bulk 5g quantities for extended programs.
SARM Comparison
Ostarine MK-2866 vs Other SARMs — How Does It Compare?
Ostarine is the most frequently used as a research baseline SARM due to its high selectivity. The table below highlights key distinctions based on published preclinical data.
| Factor | Ostarine MK-2866 | RAD 140 | LGD-4033 | YK-11 |
|---|---|---|---|---|
| Selectivity | Very High | High | Moderate | Moderate |
| Anabolic Potency | Moderate | Very High | High | Very High |
| Clinical Trial Data | Phase II / III | Phase I | Phase I | Preclinical only |
| Bone Density Research | Extensive | Yes | Yes | Limited |
| Muscle Preservation | Well documented | Yes | Yes | Yes |
| Suppression Risk (animal) | Low–Mild | Moderate | Moderate | Higher |
| PureRawz Price (entry) | From $29.99 | From $29.99 | From $29.99 | From $34.99 |
All data reflects preclinical animal model and early clinical findings only. Not applicable to human use.
Why PureRawz
Why Researchers Buy Ostarine MK-2866 From PureRawz
Ostarine is the most counterfeited and underdosed SARM on the market due to its popularity. PureRawz eliminates that risk with three non-negotiable standards.
Every Ostarine batch is tested by MZ Biolabs — accredited, independent, third-party. The COA is published publicly on every product page, searchable by lot number. No exceptions, no generic placeholders.
HPLC and Mass Spectrometry confirm purity and compound identity on every batch. Full impurity profiles documented. Ostarine’s selectivity advantage only holds when purity is verified and consistent.
Manufactured and fulfilled from a US facility. Orders before 2PM EST ship same business day. Domestic delivery in 2–4 business days. Discreet packaging on every order.
Ostarine is the most counterfeited SARM on the market. Its popularity makes it a prime target for underdosed or impure products from low-quality vendors. A COA from an independent lab is the only way to verify what you are actually getting. PureRawz publishes every COA, every batch — searchable by lot number on every product page.
Preclinical & Clinical Research Overview
Ostarine MK-2866 Research: What the Data Shows
Ostarine MK-2866 has the most extensive research profile of any SARM — the only one to reach Phase III clinical trials. The following summarizes primary research directions. All data reflects animal model and early clinical findings. Ostarine is not FDA-approved for human use.
Primary Research Areas
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Muscle Preservation (Cachexia): Ostarine is the most clinically advanced SARM for muscle wasting research, having reached Phase III trials for cancer cachexia. Animal and early human data demonstrate significant lean mass preservation with low androgenic side effects.
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Bone Density & Osteoporosis Models: Preclinical and Phase II data show Ostarine increases bone mineral density in animal models and postmenopausal women without significant androgenic tissue activity — a major focus of ongoing bone research.
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Lean Body Mass Research: Phase II clinical trials in healthy elderly men and women demonstrated statistically significant increases in lean body mass at low oral doses — making it the most clinically validated SARM for this endpoint.
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Insulin Sensitivity: A Phase II trial reported improvements in insulin resistance and fasting blood glucose in elderly subjects, opening a new research direction around metabolic health applications.
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Breast Cancer Models: In vitro and animal data suggest Ostarine may have activity in ER+/AR+ breast cancer models, positioning it alongside RAD 140 in oncology-adjacent SARM research.
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Joint & Connective Tissue: Anecdotal and early model data suggest Ostarine may support connective tissue health — frequently researched in protocols alongside BPC-157 for combined musculoskeletal recovery investigation.
Ostarine MK-2866 Legal Status in 2026
Ostarine MK-2866 is legal to purchase in the United States as a research compound. It is not a controlled substance, not scheduled under the DEA, and does not require a prescription when purchased strictly for laboratory research. PureRawz sells Ostarine in full regulatory compliance — clearly labeled for research use only, not for human or animal consumption.
Research Reference
Ostarine MK-2866 Research Dosage Reference (Preclinical & Clinical Data Only)
The following summarizes dosage ranges reported in published preclinical and clinical research. Provided for reference only. Not a recommendation for human use.
| Research Protocol | Reported Dose | Route | Duration (Studies) |
|---|---|---|---|
| Muscle Mass (rodent) | 0.04–4 mg/kg/day | Oral gavage | 7–28 days |
| Lean Body Mass (Phase II human) | 1–3 mg/day | Oral | 12 weeks |
| Bone Density Research | 0.1–3 mg/day (Phase II) | Oral | 12–24 weeks |
| Cachexia / Muscle Wasting | 1–3 mg/day (Phase III) | Oral | 4–6 months |
| Insulin Sensitivity | 3 mg/day (Phase II) | Oral | 12 weeks |
Data sourced from peer-reviewed preclinical and Phase I/II/III clinical literature. Ostarine is not FDA-approved. Human use is not endorsed or recommended.
Frequently Asked Questions
Ostarine MK-2866 For Sale — Buyer FAQs
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