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Zyvex Pharmaceuticals
Zyvex Pharmaceuticals Ostarine - MK-2866 25 mg Research Pack
Oral · 25 mg/tab · 100 tabs
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Zyvex Pharmaceuticals Ostarine is MK-2866, a non-steroidal selective androgen receptor modulator supplied as 25 mg research material. It is the most widely written about compound of the class, with a moderate liver-toxicity rating in the project fact file. Available as Ostarine - MK-2866 25 mg.
GMP-manufactured, HPLC-verified, COA on file. International shipping, 4 to 10 days transit.
Discreet plain packaging
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Product overview
Zyvex Pharmaceuticals Ostarine MK-2866 25 mg - Research SARM
Zyvex Pharmaceuticals Ostarine is MK-2866, the non-steroidal selective androgen receptor modulator supplied here as 25 mg research material. The fact file for this card records an elimination half-life of 14 to 24 hours and rates liver toxicity as moderate, with raised liver enzymes appearing in the studies it cites. Ostarine has no approved human indication, so this pack exists for laboratory work and nothing here is a dose or a treatment plan.
- 100 tablets of ostarine at 25 mg per tablet
- GMP-manufactured - pharmaceutical-grade production standards
- HPLC-verified - independent lab testing with COA per batch
- international shipping with a 4 to 10 day transit window
How Ostarine Works
Ostarine binds the androgen receptor and drives the same gene programme an androgen would, but with tissue selectivity that is meant to spare the prostate and the liver relative to a steroid. The research question is how well that selectivity holds, and the moderate liver rating in the file suggests it does not hold completely. The closest compounds in the catalogue are Zyvex Ligandrol - LGD-4033 and Zyvex Testolone - RAD-140, while Cardarine - GW-501516 works through a completely different receptor family.
Detection & Recovery Framing
SARMs are prohibited in sport, and the file gives two useful numbers: ostarine glucuronide is detectable in urine for up to nine days, and the M4 metabolite for 38 to 72 hours. Community material treats the compound as suppressive and pairs it with a restart on Clomid, an approach that has no clinical evidence behind it for research compounds.
Quality & Authenticity
Every batch is produced under GMP conditions and checked by HPLC, with the Certificate of Analysis held for the lot. Keep the pack sealed, dry and out of light. Buy ostarine here as research material only; it is not a medicine in any market.
For laboratory research only. Consult a healthcare professional before use.
Specifications
| Brand | Zyvex Pharmaceuticals |
| Active Substance | Ostarine, MK-2866 |
| Dosage | 25 mg option |
| Package | 100 tablets per pack |
| Form | Oral tablets, 25 mg per tablet |
| Drug Class | SARM, non-steroidal, no approved indication |
| Manufacturing | GMP-certified |
| Testing | HPLC per batch, COA on file |
| Shipping | International, 4-10 days transit |
Stacks
FAQ
Before you ask
Questions, answered
It is MK-2866, a non-steroidal selective androgen receptor modulator, supplied here as 25 mg research material. The fact sheet for this card records an elimination half-life of 14 to 24 hours and a moderate liver toxicity rating with raised liver enzymes in the studies cited. It has no approved human indication and is sold strictly as laboratory stock rather than a medicine.
The checked file gives an elimination half-life of 14 to 24 hours, which is the shortest of the three receptor modulators in this brand line. Testing tells a different story: ostarine glucuronide is detectable in urine for up to nine days, while the M4 metabolite clears in 38 to 72 hours. So a short half-life does not mean a short detection window.
The fact file rates liver toxicity as moderate and records raised liver enzymes in the studies it uses, so there is a real signal rather than silence, even though the compound is marketed elsewhere as gentle. Because it acts at the androgen receptor, suppression of natural hormone production is also part of the research picture in community material. Human safety data is limited and questions belong with a clinician.
No, or almost none. The fact sheet rates water retention as none to low because the compound does not aromatise, so the estrogen pathway that causes bloating with a classic oral steroid is not in play. What does apply is androgen receptor activity, which suppresses natural hormone production, and the moderate liver rating. So a dry appearance in the file comes with an endocrine cost rather than a cosmetic one.
The 25 mg option is listed on this page as research material, with the pack selected above. At the last check the 100 tablet pack was out of stock and no price was printed for the offer, and international shipping is listed at 45.00 USD with a four to ten day transit window.
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