Primobolan (Methenolone Enanthate) 100 mg/mL

·        Generic Name: Methenolone Enanthate

·        Brand Name: Primobolan (often labeled as "Primobolan Depot" in pharmaceutical versions)

·        Dosage Form: Injectable oil-based solution

·        Concentration: 100 mg/mL

·        Packaging: 10 mL vial

·        Active Ingredient:

o   Methenolone Enanthate (100 mg per 1 mL)

·        Vehicle: Typically dissolved in a carrier oil (e.g., sesame oil) with benzyl alcohol as a preservative.

2. Pharmacological Class:

·        Category: Anabolic-androgenic steroid (AAS)

·        Ester: Enanthate (moderate half-life)

·        Anabolic Rating: Moderate (ideal for lean muscle preservation)

·        Androgenic Rating: Low (one of the mildest injectable steroids)

3. Medical & Approved Uses:

·        Historically Prescribed For:

o   Muscle wasting diseases (e.g., HIV/AIDS, cancer cachexia).

o   Osteoporosis treatment (rare today).

·        Off-Label/Illicit Use:

o   Cutting phases in bodybuilding (fat loss with muscle retention).

o   Female use (due to low virilization risk).

4. Administration & Dosage:

·        Route: Intramuscular (IM) injection.

·        Typical Medical Dosage: 100–200 mg per week.

·        Bodybuilding Dosage:

o   Men: 300–800 mg/week (often stacked with testosterone).

o   Women: 50–100 mg/week (low virilization risk).

·        Half-Life: ~10–14 days (enanthate ester).

·        Detection Time: Up to 4–5 months in drug tests.

5. Side Effects (Mild but Possible):

·        Androgenic:

o   Acne, oily skin (rare at moderate doses).

o   Virilization in women (voice deepening, clitoral enlargement) at high doses.

·        Estrogenic:

o   No aromatization (does not convert to estrogen; no gynecomastia/water retention).

·        Cardiovascular:

o   Mild HDL suppression (less severe than other AAS).

·        HPTA Suppression:

o   Lower than testosterone but still requires Post-Cycle Therapy (PCT).

6. Contraindications & Warnings:

·        Avoid Use In:

o   Pregnancy (risk of fetal masculinization).

o   Pre-existing liver/kidney disease (though hepatotoxicity is rare).

o   Breast/prostate cancer (due to androgenic activity).

·        Drug Interactions:

o   May enhance effects of anticoagulants (e.g., warfarin).

7. Storage & Handling:

·        Storage:

o   Room temperature (15–30°C / 59–86°F); avoid light/freezing.

·        Shelf Life: ~2–3 years if unopened.