Ostarine 60tab/10mg mk-2866 – Magnus
Magnus Ostarine 60 Tabs / 10 mg (MK‑2866) – a research‑grade SARM in convenient 60‑tablet bottle, each capsule delivering 10 mg of MK‑2866.
- Potent performance enhancer for muscle preservation and strength gains.
- Fast oral absorption, quick onset compared to injectables.
- Well‑documented safety profile at 10 mg dosage.
- Lab‑verified purity in every batch.
Ostarine 60 Tab / 10 mg MK‑2866 – Magnus
Magnus Ostarine (MK‑2866) is a selective androgen receptor modulator (SARM) developed by Merck & Company and GTx Incorporated. It was originally researched for the treatment of osteoporosis and muscular dystrophy, but it has become popular among athletes and bodybuilders for its muscle‑building and fat‑loss benefits.
Key Features
- Dosage form: 60 capsules, each containing 10 mg of MK‑2866.
- Target users: Athletes, bodybuilders, and fitness enthusiasts seeking lean muscle gains and improved recovery.
- Legally sold in the United States: As a research chemical (not approved by the FDA for human use).
- Brand name: Magnus – a well‑known provider of high‑quality SARMs.
Administration & Dosage Guidelines
| Phase | Daily Dose (mg) | Duration (weeks) |
|---|---|---|
| Loading Phase | 10–20 mg/day | 4–6 weeks |
| Sustaining Phase | 5–10 mg/day | 8–12 weeks |
| Post‑Cycle Therapy (PCT) | 0 mg | 2–4 weeks |
- Take the capsules with a full meal to enhance absorption.
- Avoid taking Ostarine on an empty stomach, as it may increase gastrointestinal discomfort.
- Monitor liver enzymes and hormone levels every 2–3 weeks during extended cycles.
How It Works
- Selective binding to androgen receptors in muscle and bone tissue.
- Stimulates protein synthesis without the androgenic side effects typical of steroids.
- Enhances nitrogen retention, leading to improved lean body mass.
Side Effects & Precautions
- Liver Function: Possible mild elevation in liver enzymes; periodic blood tests are advised.
- Hormonal Imbalance: May suppress natural testosterone production; consider a post‑cycle therapy protocol.
- Cardiovascular Impact: Limited data, but some users report changes in lipid profiles.
- Gastrointestinal Discomfort: Nausea or stomach upset can occur if taken on an empty stomach.
- Allergic Reactions: Rare cases of rash or itching; discontinue use and seek medical attention if symptoms arise.
Storage & Handling
- Store in a cool, dry place away from direct sunlight.
- Avoid exposure to excessive heat or moisture to preserve potency.
- Keep out of reach of children and pets.
Purchasing Information
This product is available for purchase through PoseidonRX, an online drug store that sources high‑quality research chemicals. The shop provides discreet shipping and secure payment options to ensure a reliable buying experience.


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