Description
Primobol 100 mg Pentax Pharmaceuticals — Methenolone has earned its reputation as the safest injectable steroid through decades of clinical and athletic use. Its mild side effect profile, inability to aromatize, and production of high-quality, retainable lean gains make it the preferred choice for health-conscious athletes and the gold standard for female steroid use. This formulation is dosed at 100 mg per unit.
Key Benefits
- Very mild anabolic — the cleanest injectable AAS
- No aromatisation, no progestagenic activity
- Low suppression — recoverable HPTA with minimal PCT
- Historically the “bodybuilder’s favourite” for cutting
- Expensive — underdosed on grey market more than any other compound
- Each unit dosed at 100 mg — see Recommended Dosage below for protocol-specific intake
Recommended Dosage
Research dosing: 400–700 mg/week. Primo is mild — underdosed vials below 400 mg/week show almost no effect. Cycles 12–14 weeks common. Double the typical testosterone dose to see proportional results.
How It Works
Methenolone enanthate. 5α-reduced, no aromatisation, no progestagenic activity. Weakly binds the AR — anabolic benefit comes partly from nitrogen retention and partly from mild anti-catabolic effects during caloric deficits.
Pharmacokinetics
Plasma half-life approximately 10 days (enanthate ester). Weekly or twice-weekly pinning. Slow saturation — front-load first week at 800+ mg to speed it up. Clears in 3 weeks post-last-pin.
Cycle & Stacking Guide
Cutting recomp 12–14 weeks. Pair with test E 300–500 mg/week + primo 500–600 mg/week for clean, dry gains. Popular cycle finisher. Underdosed product is the main risk — source matters.
Manufacturer Notes
Pentax Pharmaceuticals is a regional European producer focused on standard concentrations with reliable dosing accuracy.
Storage & Handling
Store at recommended temperature (15–25°C; peptides and HGH at 2–8°C after reconstitution). Protect from light and moisture. Keep out of reach of children. For research and educational purposes only.
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