---
title: "Ostarine"
description: "The most-studied and best-tolerated SARM. Ideal to start with SARMs, or for cutting and recomp. Mini-PCT of 4 weeks (Nolvadex 20 mg/day) if suppression is felt."
lang: en
dateModified: 2026-05-25
canonical: https://anaprotokol.com/en/molecule/ostarine
---

# Ostarine

The most-studied and best-tolerated SARM. Ideal to start with SARMs, or for cutting and recomp. Mini-PCT of 4 weeks (Nolvadex 20 mg/day) if suppression is felt.

**Catégorie** : SARM
**Voie d'administration** : Oral
**Demi-vie** : 24 heures
**Détection** : 4 semaines
**Ratio anabolique** : 100
**Ratio androgénique** : 33
**Aromatisation** : Non
**Progestine** : Non
**Hépatotoxique** : Non
**PCT requise** : Non

**Autres noms** : MK-2866

## Effets
- Muscle preservation when cutting
- Moderate lean mass gains
- Strength
- Joint recovery

## Effets secondaires
- Mild to moderate suppression (> 25 mg/day)
- Mild lethargy
- Slight vision changes

## Suppléments de soutien
- Omega-3
- Vitamin D3
- Zinc

## Synergies
- Cardarine (cutting)
- LGD-4033 (bulking)
- RAD-140

## À éviter
- Doses > 30 mg/day without monitoring
- Cycles > 12 weeks without a break

## Dosage masculin
- Débutant : 10–15 mg/j
- Intermédiaire : 20–25 mg/j
- Avancé : 25–30 mg/j

## Dosage féminin
5-10 mg/day (very well tolerated)

**Fréquence** : 1× / day (morning)