Anabolic Steroids/Hormones
Nandrolone Phenylpropionate
NPP · Durabolin
Short-acting 19-nor (NPP); faster clearance than Deca. Good for frontloading.
🚧 Expanded guide coming soon. This compound has PK data and a source — a full overview, mechanism, and dosing guide is pending editorial review.
Pharmacokinetic summary
- Model tier
- Advanced (t½ + Cmax + Tmax + F)
- Half-life
- 2 days
- Cmax
- 700 ng/dL
- Tmax
- 1.0 days
- Bioavailability
- 67%
- Typical dose
- 50–200 mg
Harm reduction
- Aromatizes
- Yes
- DHT derivative
- No
- Injection frequency
- EOD–3×/week
Related compounds
Nandrolone Decanoate
Long-acting 19-nor (Deca-Durabolin); collagen/joint benefits, very long clearance.
Testosterone Enanthate
Long-acting testosterone ester; the most common TRT and cycle base. Reaches steady state in ~5 weeks.
Testosterone Cypionate
Standard US TRT ester with a slightly longer release tail than enanthate. Steady state ~4–5 weeks.
Protocols featuring Nandrolone Phenylpropionate
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