Nandrolone phenylpropionate ( NPP )

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Main characteristics All specifications
Dose:: 100 mg/ml
CAS Number:: 62-90-8
Molecular Formula:: C27H34O3
Package:: 10 ml/vial
Release form:: Bottle

Nandrolone Phenylpropionate (NPP)

Manufacturer: Hilma Biocare

Package: 10 ml / vial (100 mg / ml)

Info: Nandrolone Phenylpropionate (NPP), also known as Nandrolone Phenylpropionate, is an injectable androgenic/anabolic steroid (AAS) that comes from testosterone, which gets inside the body system. It’s almost the same as Nandrolone Decanoate (Deca-Durabolin), except for its ester being shorter hence making it enter the bloodstream earlier than Deca-Durabolin.Nandrolone Phenylpropionate functions to elevate protein synthesis together with nitrogen retention in muscles, thereby causing increased muscle growth and strength. It even improves on collagen synthesis leading to better joint health as well as recovery process from injuries. In contrast with the decanoate ester, the phenylpropionate ester has a faster release rate and lower half-life, meaning that one has to get more shots throughout this period. The androgen index ranges from 37-30, and the anabolic index is between 125-150. Nandrolone exhibits low estrogen levels and moderate progestogenic activity, with low liver toxicity.


Nandrolone Phenylpropionate (also known as Durabolin) has a good anabolic effect and is characterized by gradual, steady muscle gain. This is coupled with a moderate androgenic effect, promoting recovery and retaining mass even when on a cutting cycle. Also, it has much lower water retention than Nandrolone Decanoate (Deca-Durabolin), so it is used in the pre-contest phase while Nandrolone Decanoate is used for mass and strength. It ncreases protein synthesis along with enhancement  of amino acids from the small intestine. It also Increases prolactin and raises your red blood cell level. Some people believe that Deca and Nandrolone Phenylpropionate are very different, but the active ingredient is the same “Nandrolone” and the only difference is the rate of release.

Dosage Range and Duration of Use

The common cycle duration is 8-10 weeks. Dosages are as follows: beginners: 150 mg/week, hobbyists: 150-400 mg/week, professionals: 300-600 mg/week, and women: 50-100 mg/week. The half-life is 2-4 days, and the detection time is 11-12 months, with some athletes taking a maximum detection time of around 18 months.

Side Effects

The possible side effects of Nandrolone Phenylpropionate are several, but it is one of the most side-effect friendly steroids. The only way to prevent and minimize side effects is to know how they happen and how to properly use the hormone. In general, severe side effects should not be a problem for most men. Most of the side effects are due to high levels of prolactin. High doses may lead to water retention and high blood pressure due to severe water retention. These side effects can be mitigated by adding an aromatase inhibitor (AI) such as Arimidex to the cycle. It is possible for a man with predisposition to male pattern baldness to experience hair loss and for sensitive skin men to develop acne. Nandrolone suppresses the secretion of gonadotropin and endogenous testosterone. And this is one of the main reasons why the recovery takes so long after the cycle is complete

Post-Cycle Therapy (PCT)

It is recommended to take cabergoline (Dostinex) or bromocriptine to reduce the levels of prolactin. After the last shot of steroids, post-cycle therapy (PCT) is suggested and should begin 12-16 days later. 

100 mg/ml
CAS Number:
Molecular Formula:
10 ml/vial
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Tags: NPP, Superanabolon, Durabolin, Durabol, Fenobolin, Nandrolone Phenylpropionate