hormoneInjectableControlled

Nandrolone Phenylpropionate

Also known as: NPP, Durabolin

Chemical structure of Nandrolone Phenylpropionate (PubChem CID 229455)
Structure via PubChem
Half-life
100 h
Typical timing
any
Food rule
either
Default unit
mg

Studied for

Overview

Nandrolone Phenylpropionate (NPP) is an anabolic androgenic steroid (AAS) that is a synthetic derivative of testosterone. It is a shorter-acting ester variant of nandrolone, distinguishing it from nandrolone decanoate (Deca-Durabolin) which has a much longer half-life. Originally developed for medical applications, like other anabolic steroids, NPP has also been used non-medically, particularly in athletic and bodybuilding communities, for its anabolic effects. It is a controlled substance in many regions due to its potential for misuse and adverse effects. As a prescription medication, its use is directed by a licensed clinician for specific medical conditions.

Deep dive

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Known interactions

  • Category rule: peptide × hormone
    Note

    Injectable peptides plus hormones can have overlapping or compounding effects that aren't always well characterized.

    Track bloodwork with a provider; don't assume combinations are neutral.

Frequently asked

Sources referenced

* DrugBank * MedlinePlus * PubChem * NIH Clinical Trials * Cochrane Library * Mayo Clinic

Stackwise compiles summaries from publicly available scientific and regulatory references. Always verify important decisions with a licensed clinician.

Related compounds

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Related benefits

Other compounds studied for the same benefits as Nandrolone Phenylpropionate.

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