Home › Steroids › Deca-Durabolin (Nandrolone Decanoate)
Deca-Durabolin (Nandrolone Decanoate)
A classic bulking steroid known for joint pain relief and significant mass gains with less androgenic activity than testosterone. Very popular in off-season bulking cycles. The long decanoate ester means changes take 4–6 weeks to manifest.
- Also known as: Deca, NPP (short ester)
- Form: injectable
- Half-life: 6–7 days
- Typical cycle length: 12–16 weeks
- Typical dose (men): 300–600 mg/week
- Typical dose (women): 50–100 mg/week
- Anabolic : androgenic rating: 125 : 37
- PCT required: yes
Dosing by experience level
| Level | Dose | Frequency | Notes |
|---|---|---|---|
| Beginner | 300–400 mg/week | Once weekly | Always run with Testosterone at minimum 1:1 ratio |
| Intermediate | 400–500 mg/week | Twice weekly | Classic 500 Test / 400 Deca stack |
| Advanced | 600 mg/week | Twice weekly | High dose increases prolactin side effect risk |
Side effects
- Progesterone/prolactin-related gyno
- Water retention
- Erectile dysfunction ('Deca dick')
- Testosterone suppression
- Hair loss (mild)
Common stacks
- Testosterone Enanthate
- Dianabol
- Anadrol
Important notes
- Always stack with Testosterone — never run Deca alone
- Use Cabergoline to manage prolactin side effects
- Long ester — allow 4–6 weeks before expecting noticeable changes
- Popular for joint pain relief even at sub-performance doses