Deca-Durabolin (nandrolone decanoate)
Muscle Building · Injectable 19-nor steroid
Tier B-
What this is
Famously 'joint-friendly' — many anecdotes of subjective joint relief. Very slow release (half-life ~6-15 days). Long detection window in sport testing. Recovery of HPG axis can take 6-18 months post-cycle.
Mechanism
Nandrolone (19-nortestosterone) with long decanoate ester; AR agonist with reduced DHT conversion; progestogenic activity; joint/collagen synthesis benefits
Dose & route
Clinical: 50-100 mg IM every 2-4 weeks; illicit: 200-600 mg/week
Citations
- https://pubmed.ncbi.nlm.nih.gov/9541589/
- https://pubmed.ncbi.nlm.nih.gov/15615126/
- https://pubmed.ncbi.nlm.nih.gov/14745085/
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This is an independent synthesis of published research by a non-clinician. Scores are opinions supported by citations, not prescriptions. See the full disclaimer and methodology for how this score was produced and what it does and doesn't mean.