NeolPharma DECA DURABOLIN 400 is the highest-concentration pharmaceutical Nandrolone Decanoate available, delivering a massive 400 mg/ml in a smooth, golden oil. This purple-box legend is the exact same ultra-pure Deca used by golden-era and modern bodybuilders for off-season mass, joint relief, and long, productive cycles.
Benefits
- Massive, thick, full muscle gains (15–25+ lbs in a 12–16 week cycle)
- Dramatic joint lubrication and pain relief – perfect for heavy lifters
- Insane recovery between workouts and reduced soreness
- Huge increase in collagen synthesis → stronger tendons & ligaments
- Enhanced red blood cell production → better endurance & pumps
- Milder androgenic profile than testosterone – less acne, hair loss, aggression
- Synergistic with testosterone for the classic “Deca + Test” bulking stack
Usage Instructions
- Dosage: Beginners: 400–600 mg/week (1–1.5 ml) – Intermediate/Advanced: 600–1000 mg/week
- Administration: Intramuscular injection (glutes preferred) – once weekly is sufficient
- Cycle length: 12–20 weeks (longer cycles common due to slow, steady action)
- Best stacked with: Testosterone Enanthate/Cypionate + optional Dianabol/Anadrol
- PCT: Start 3–4 weeks after last injection (long ester = long clearance)
Cautions
- Can cause “Deca dick” (libido/ED issues) if not run with adequate testosterone
- Long ester = sides can linger; 19-nor compound may raise prolactin (keep cabergoline on hand)
- May cause water retention and blood pressure increase
- Regular bloodwork required (prolactin, hematocrit, liver values)
- Store at room temperature; discard if oil clouds
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