| Features | |
| Active substance | Nandrolone Phenylpropionate |
| Also known as | NPP, Durabolin |
| Blood pressure | Can cause hypertension |
| Chemical name | 19-nortestosterone phenylpropionate |
| Dosage (medical) | 25-100 mg per week |
| Dosage (sports) | 100-400 mg per week |
| Effects | Increased muscle mass, strength, and red blood cell production |
| Formula | C27H34O3 |
| Half-life | Approximately 4.5 days |
| Hepatotoxicity | Low |
| Lab Test | Detection through specific steroid testing panels |
| Main action | Increases protein synthesis and muscle mass |
| Side effects | Acne, masculinization, increased sexual desire, voice changes, and increased hair growth |
| Storage conditions | Store at controlled room temperatures between 20-25В°C (68-77В°F) |
| Substance class | Anabolic steroid |
| Trade name | Durabolin |
| Use in sports | Commonly used for muscle gain and performance enhancement |
| Water Retention | Moderate |
| Manufacturer | Saxon Pharmaceuticals |
| Packing | 10ml vial (100mg/ml) |