Mastprop-100 mg Injection (Drostanolone Propionate) Medical Uses: Originally developed to treat breast cancer in postmenopausal women due to its anti-estrogenic properties. Currently rarely used medically, as newer and safer treatments are available. Bodybuilding/Non-Medical Uses: Popular in cutting cycles to enhance muscle definition and hardness. Helps in fat loss while preserving lean muscle mass. Has anti-estrogenic effects, meaning it doesn’t cause water retention or gynecomastia (male breast development). Requires frequent injections (usually every other day) due to its short ester. Possible Side Effects: Androgenic effects: acne, oily skin, hair loss. Hormonal suppression: may reduce natural testosterone production. Cardiovascular risks: potential to negatively impact cholesterol levels. Psychological effects: mood swings, aggression, irritability.
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