Description
Ostarine MK-2866 Injectable Research Overview
Disclaimer: The compounds described on this page are intended for laboratory research use only and are not approved for human consumption.
Overview of Ostarine MK-2866
Ostarine (MK-2866) is a selective androgen receptor modulator. It is studied for its targeted interaction with androgen receptors in muscle and bone tissues in research models. The selective activity of MK-2866 reduces interaction with off-target areas in research. This makes it focus more on muscle preservation, bone density, and metabolic regulation in test models.
Ostarine has shown potential for lean mass support, functional performance improvement, and recovery-related effects in test models. Researchers further study its effects on cachexia pathways, sarcopenia mechanisms, and muscle-wasting models. They also examine how it influences androgen receptor signaling without converting into DHT or estrogen in research.
| Section | Details |
|---|---|
| CAS Number | 841205-47-8 |
| Molar Mass | 393.4 g/mol [R] |
| Chemical Formula | C19H14F3N3O3 |
| IUPAC Name | (2S)-3-(4-cyano-2,3,5,6-tetradeuteriophenoxy)-N-[4-cyano-3-(trifluoromethyl)phenyl]-2-hydroxy-2-methylpropanamide |
| Synonyms | Ostarine(MK-2866), Ostarine-d4, Enobosarm, HY-13273S, CS-0103264, |
| Ingredients / Composition | This product contains MK-2866 as the active compound, which is tested at 99.8% purity. |
| Shelf Life | 2 years |
| Storage Instructions | Store the product in a cool and dry place at 20–25°C. |
| Disclaimer | MK-2866 is not approved for human use. It is available for research purposes only. |
Ostarine’s Working Mechanism in Research Models
Ostarine works by selectively binding to androgen receptors in muscle and bone tissues in research models. This binding activates muscle-building pathways and increases protein production in test models. It also supports bone density and has limited effects on other parts of the subject. Research suggests Ostarine affects other pro-anabolic pathways, such as the mTOR signaling cascade and fat metabolism.
Why Consider Ostarine MK-2866 Injectable for Research?
Researchers may consider Ostarine MK-2866 Injectable based on its intended research application, available specifications, and supporting documentation.
- Vendor-reported purity of Ostarine MK-2866 Injectable: 99.8%. Review the vendor’s certificate of analysis for the batch.
- The assay result of Ostarine Injectable is measured at 98.8%. This supports consistent potency throughout each formulation.
- The MK-2866 Injectable appearance is a clear and colorless to pale yellow liquid, which passes visual inspection requirements.
- The microbial testing shows no growth detected, and endotoxin levels remain below 0.2 EU/mL.
- The heavy metals in these injectables are measured at <5 ppm. This is within the acceptable ≤10 ppm specification.
- Ostarine Injectables are accompanied by a full Certificate of Analysis. This provides transparency and confirms identity and performance for research applications.
For queries, complaints, or support, please contact help@ironmountainlabz.com
Frequently Asked Questions
Is MK-2866 legal?
MK‑2866 is not approved by the FDA for human consumption. That’s the reason companies cannot legally market it as a dietary supplement. However, Ostarine is available for research purposes only.
Is Ostarine bad for testosterone in research models?
Ostarine can affect testosterone levels in research models. Studies show that it leads to reductions in total testosterone and has limited effects on other hormonal markers. This indicates its impact on endocrine function when studying muscle and bone metabolism in test models.
How long does Ostarine remain in test models?
Ostarine has an estimated elimination half‑life of around 24 hours in research models. Based on this observation, Ostarine is detectable for about 5 to 9 days after a single dose in experimental systems.
What are the reported unwanted effects of MK-2866 in research?
MK‑2866 can have several unwanted effects in research models. These include testosterone suppression, which can affect endocrine balance in test models. It has also been shown to lower HDL (good) cholesterol in research.
Where can readers find vendor information for Ostarine MK-2866 Injectable?
Iron Mountain Labz provides research information and affiliate purchasing pathways but does not directly sell, manufacture, warehouse, or ship Ostarine MK-2866 Injectable. Readers should assess third-party suppliers independently and review available identity, purity, and batch-testing documentation.
IML Affiliate Disclosure
Some links on IML may connect readers with third-party suppliers through affiliate arrangements. IML may receive compensation from qualifying transactions at no additional cost to the reader, but the third-party supplier remains responsible for the actual sale, fulfillment, and product documentation.




