Rankings / Muscle Building

Nandrolone (phenylpropionate / other esters)

Muscle Building · Injectable 19-nor steroid

Tier B-

anabolicmethylationbannedcontrolled-substance
6.1 / 10
Tier B-
Ev 8.0 Bn 8.0 Sf 2.0 Ax 4.0

What this is

Preferred over decanoate by more experienced users who want shorter 'bailout window' if sides develop. Same long detection as parent nandrolone. Classical post-war clinical use as Durabolin.

Mechanism

Same parent as Deca but with shorter esters (NPP = phenylpropionate, ~4-5 day half-life); allows more stable blood levels and faster clearance if side effects emerge

Dose & route

NPP illicit: 100-200 mg IM every other day

Citations

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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.