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Libido

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Injection Vials

Tablets

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Weight loss, fat burning

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Stanozolol is a synthetic anabolic steroid derived from dihydrotestosterone (DHT) and modified via 17α-alkylation to enable oral bioavailability. Originally developed in the 1960s for medical and veterinary applications, it was used to treat anemia and hereditary angioedema. In performance settings, it is valued for enhancing muscle definition, strength, and athletic performance. Unlike many anabolic steroids, stanozolol does not aromatize into estrogen, eliminating risks such as water retention and gynecomastia. It is commonly used during cutting phases to preserve lean muscle mass and achieve a dry, hard, and vascular appearance.

Main Effects
Increases muscle hardness and definition; Promotes fat metabolism and a dry physique; Enhances strength, endurance, and performance; Reduces SHBG levels, increasing free testosterone; Eliminates water retention; Exhibits mild anti-estrogenic and anti-progestogenic properties

Precautions
Hepatotoxic due to 17α-alkylation; Monitor liver enzymes, lipid profile, and blood pressure; Joint discomfort may occur due to reduced synovial fluid; Often combined with testosterone or nandrolone to support hormonal balance and joint health

Side Effects
Joint pain or stiffness; Elevated liver enzymes; Increased LDL cholesterol and blood pressure; Acne, oily skin, possible hair loss; Suppression of natural testosterone production

Contraindications
Liver disease or elevated liver enzymes; Prostate or breast cancer; Cardiovascular disorders; Pregnancy and breastfeeding; Hypersensitivity to anabolic steroids

Storage
Store at 20–25 °C (68–77 °F); Keep in a dry, dark place; Protect from sunlight and moisture; Keep out of reach of children

Mechanism of Action
Stanozolol binds to androgen receptors in muscle and adipose tissue, stimulating protein synthesis and nitrogen retention. This supports lean muscle preservation during calorie restriction and enhances overall muscle definition.

Pharmacological Profile
Half-life: approximately 8–9 hours; Non-aromatizing compound; Reduces SHBG levels, increasing free testosterone; Exhibits anti-catabolic and mild anti-progestogenic activity; Provides fast, visible improvements in muscle definition without water retention

Stanozolol