Home › Steroids › Nandrolone Phenylpropionate (NPP)
Nandrolone Phenylpropionate (NPP)
NPP is the short-ester version of Deca-Durabolin (Nandrolone Decanoate), providing faster acting results and quicker clearance. It shares Deca's joint-healing and mass-building properties but allows more control over side effects. Popular for those who want Deca benefits without committing to a very long cycle.
- Also known as: NPP, Nandrolone Phenylpropionate
- Form: injectable
- Half-life: ~5 days
- Typical cycle length: 10–12 weeks
- Typical dose (men): 300–400 mg/week
- Typical dose (women): 50–75 mg/week
- Anabolic : androgenic rating: 125 : 37
- PCT required: yes
Dosing by experience level
| Level | Dose | Frequency | Notes |
|---|---|---|---|
| Beginner | 200–300 mg/week | 3x/week (Mon/Wed/Fri) | Stack with Testosterone as base |
| Intermediate | 300–400 mg/week | 3x/week | Classic Test + NPP stack |
| Advanced | 400–500 mg/week | 3x/week | Add Dianabol or Anadrol kickstart |
Side effects
- Prolactin elevation
- Water retention (less than Deca)
- Testosterone suppression
- Erectile dysfunction ('Nandrolone dick')
- Hair loss
Common stacks
- Testosterone Enanthate
- Dianabol
- Anavar
Important notes
- Always stack with testosterone base
- Use Cabergoline to manage prolactin
- Faster-acting and clears sooner than Deca
- Joint healing benefits same as long-ester Deca
- PCT can start sooner due to shorter ester