Oils

NPP (Nandrolone Phenylpropionate)

Name: NPP (Nandrolone Phenylpropionate)
Brand: Quanta Pharmaceuticals

A fast-acting nandrolone ester offering the same 19-nor profile as Deca with quicker onset and clearance.

NPP shares Nandrolone Decanoate's parent 19-nortestosterone structure but attaches a shorter phenylpropionate ester, giving a half-life of roughly 4.5 days compared with Decanoate's 6-12 days. This makes it a frequent subject of research into faster-acting nandrolone protocols. Each vial is supplied at 150mg/ml.

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Specifications

Dosage

150mg/ml

Half-Life

4.5 days

Administration

Injectable

Chemical Structure

C23H34O3

Research Benefits

Faster onset — A shorter ester than Decanoate brings nandrolone's effects into a research protocol sooner.
Reduced aromatisation — Like all nandrolone esters, converts to oestrogen far less readily than testosterone.
Joint comfort interest — Studied alongside Decanoate for a supportive effect on connective tissue via collagen synthesis.
Versatile application — Suited to both bulking- and cutting-oriented research protocols.
Quicker clearance — The shorter ester clears faster than Decanoate if a protocol needs adjustment.

How It Works

NPP is Nandrolone attached to the phenylpropionate ester — shorter than the decanoate chain used in Deca Durabolin — giving a half-life of approximately 4.5 days rather than 6-12. This means esterase enzymes cleave it faster after injection, releasing free nandrolone into circulation sooner and clearing it sooner as well.

Once released, nandrolone behaves identically regardless of ester: binding the androgen receptor to drive protein synthesis and nitrogen retention while contributing comparatively little to oestrogen conversion. The shorter ester simply changes the timing, supporting research protocols that call for more frequent, tightly controlled dosing.

⚠ For Research Use Only

This product is supplied strictly for in-vitro laboratory and preclinical research use. It is not a drug, food, dietary supplement, or cosmetic, and is not intended for human or animal consumption, diagnosis, treatment, or prevention of any disease. NPP (Nandrolone Phenylpropionate) must be handled only by qualified individuals trained in proper laboratory safety procedures.

By purchasing, the buyer confirms this product is being acquired for legitimate research purposes and assumes full responsibility for its handling, storage, and use in compliance with all applicable local, national, and international laws.