Description

Propha®- Masteron 100mg/ml

Propha-Masteron 100mg/ml is an injectable anabolic-androgenic steroid containing Drostanolone Propionate. It is known for its strong androgenic activity and mild anabolic properties, and is commonly used in physique-focused or cutting phases to enhance muscle definition and hardness.

How It Works

Drostanolone is a derivative of dihydrotestosterone (DHT) and does not convert to estrogen (no aromatization). It was originally developed for medical use in breast cancer treatment.

Once active in the body, it binds to androgen receptors and influences gene expression related to muscle maintenance and development. It may support nitrogen retention and reduce muscle breakdown, contributing to a leaner, more defined appearance during calorie restriction.

It is also associated with reduced water retention, which can enhance muscle hardness and vascularity.

Proper Use and Dosage

Typical usage ranges include:

• Men: 300–600 mg per week
• Women (rare use): 100–300 mg per week
• Injection frequency: Every 2–3 days due to short ester activity

It is often stacked with other compounds during cutting cycles aimed at improving physique definition before competition.

Benefits

Commonly reported effects include:

• Increased muscle hardness and density
• Enhanced vascularity and “dry” appearance
• Support for lean muscle preservation during dieting
• No estrogen conversion (no aromatization)
• May reduce the effect of estrogen-related water retention indirectly

It is mainly used for aesthetic refinement rather than mass gain.

Side Effects

Possible side effects may include:

• Acne and oily skin
• Increased libido
• Suppression of natural testosterone production
• Hair thinning in genetically sensitive individuals
• Androgenic effects (more pronounced in women, including virilization risks)