NPP 100mg/mL – 10 x 1mL AMPS

Nandrolone Phenylpropionate (NPP) is the short acting counterpart to Nandrolone Decanoate (Deca Durabolin), delivering the same 19-nor base compound through a phenylpropionate ester with a half life of approximately 4–5 days. CSD’s formulation supplies 100mg/mL across a 10 x 1mL single use ampoule format. Individually sealed, pre measured glass ampoules providing single use sterility and consistent per dose measurement that multi dose vials cannot replicate across extended protocol periods.

The phenylpropionate ester’s shorter active window compared to the decanoate ester’s 15 day half life requires more frequent administration to maintain stable blood concentration levels, typically every 2–3 days in documented research protocols. This distinction makes NPP and Deca Durabolin fundamentally different research tools despite sharing the same base compound. NPP offers greater control and faster clearance upon discontinuation, while Deca provides a more sustained presence with less frequent administration. The ampoule format complements NPP’s more frequent dosing schedule particularly well, as individually sealed units eliminate repeated vial puncture across the higher frequency administration timeline.

Like all 19-nor compounds, Nandrolone Phenylpropionate lacks the carbon atom at the 19th position of the testosterone structure, producing a distinct interaction with androgen receptors and a substantially lower rate of aromatization compared to testosterone based compounds. NPP is frequently studied in research examining anabolic activity, connective tissue endpoints, and joint related variables; areas where nandrolone compounds have accumulated a significant body of clinical literature spanning several decades.

Every batch of CSD’s NPP ampoules is third party lab tested for concentration accuracy and purity prior to release, with COA documentation available on request. Canada Steroid Depot stocks NPP in both ampoule and vial formats, alongside Nandrolone Decanoate, allowing researchers to source complete nandrolone ester comparison sets from a single verified Canadian supplier. All orders ship discreetly across Canada in plain, unmarked packaging with no identifying information on the exterior.

Store at room temperature away from direct light and heat. Do not freeze. Intended for research purposes only.

Commonly researched alongside a testosterone base compound and a prolactin management agent. Browse CSD’s full injectable range and PCT compounds for complete protocol sourcing.