Anabolic / 19-Nor

Nandrolone Phenylpropionate (NPP)

Shorter ester nandrolone — same effects as Deca but requiring EOD injections. Faster acting and clearing than Deca, making side effects easier to manage. Clears system faster — better choice for those concerned about detection time.

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Educational reference only. This page does not diagnose, prescribe, or replace care from a licensed professional. Laws, availability, and clinical appropriateness vary by location.

Reference dose100–200 mg EOD IM

Half-life96 hours

Risk flaghigh

Regulatory noteResearch-only flag

Side effects and watch-outs

Same effects as Nandrolone Decanoate
'Deca dick' risk — prolactin elevation
⚠️ Prolactin management with cabergoline required
HPTA suppression
LDL/HDL disruption
Virilisation in women
Faster clearing than Deca but same systemic effects