Description Drostanolone Propionate, also known as Masterone, is an anabolic steroid derived from dihydrotestosterone (DHT) characterized by a high androgenic effect and moderate anabolic effect. It does not aromatize in the body, acting as a mild aromatase inhibitor, and prevents conversion to estradiol.

Due to its affinity for androgen receptors in muscles, prostate, and scalp, Drostanolone Propionate can cause androgenic side effects such as baldness, prostate hypertrophy, and body hair growth. However, its anti-estrogenic properties make it ideal for athletes and bodybuilders in the definition phase, helping to maintain strength and motivation even on low-carbohydrate diets.

In bodybuilding, Drostanolone Propionate-Masterone is valued for promoting muscle definition without water retention. Its mild diuretic effect and fat-burning properties help reduce fat mass by up to 5-10%, ensuring dry, sculpted muscles.

Dosage Optimal use varies between 300 and 500 mg per week. For therapeutic purposes or to optimize free testosterone levels, common dosages include:

• Beginner: 50 mg EOD (every other day)

• Intermediate: 100 mg every other day

• Advanced: 50+ mg ED (daily)

Main effects

• Increase in lean muscle mass and strength

• Best recovery between workouts

• Reduction of fat mass

• No flavoring

Side effects

• Suppression of endogenous testosterone

• Reduced fertility

• Increase in hematocrit and blood pressure

• Acne and baldness

• Changes in lipid profile

Pharmaceutical profile

• Half-life: 20 hours

• Injection frequency: every 1-2 days

• Form: Oily solution for intramuscular injection

Contraindications

• Pregnancy and breastfeeding

• Known or suspected prostate or breast cancer

• Hypersensitivity to the active substance or to any of the excipients

• High levels of calcium in the blood

Storage
Keep out of reach of children. Store in a cool, dry place, away from direct sunlight. Do not use after the expiration date.