Nandrolone Decanoate (Deca)

Long-acting 19-nor with a reputation for joint comfort and slow lean gains.

Typical dose range: 200–400 mg/wk

Frequency: Weekly

Route: Intramuscular

Half-life: ~7 days

Evidence level: Clinical (medical use)

Overview

Slow to kick in (4–6 weeks). Run with a testosterone base and watch prolactin.