UPA NPP 100mg/ml (Deca)

UPA NPP 100mg/ml is an oil-based injectable anabolic-androgenic steroid containing Nandrolone Phenylpropionate (NPP), a shorter-acting ester of Nandrolone. Each 10ml vial contains a stated concentration of 100mg/ml, providing 1,000mg of Nandrolone Phenylpropionate per vial.

Nandrolone is a synthetic anabolic steroid structurally related to testosterone. It influences protein metabolism, muscle tissue maintenance and androgen-dependent biological processes.

Unlike Nandrolone Decanoate (Deca-Durabolin), NPP contains the shorter Phenylpropionate ester, which allows faster release and a shorter duration of activity.

What UPA NPP 100 Is Used For

Nandrolone Phenylpropionate has anabolic and androgenic properties associated with muscle metabolism and tissue maintenance.

• Anabolic Activity: Influences biological pathways involved in muscle protein synthesis.
• Muscle Tissue Maintenance: Supports androgen-dependent processes associated with skeletal muscle tissue.
• Protein Metabolism: Promotes protein synthesis and nitrogen retention.
• Body Composition: Anabolic steroid exposure can influence lean body mass and fat distribution.
• Red Blood Cell Production: Nandrolone can stimulate erythropoiesis, increasing red blood cell production.
• Historical Medical Applications: Nandrolone preparations have been used medically for certain conditions involving anaemia and tissue wasting.

How UPA NPP 100 Works

Nandrolone Phenylpropionate produces its effects through androgen receptor activation after the esterified compound is released and converted into active Nandrolone.

• Androgen Receptor Activation: Binds to androgen receptors, influencing androgen-dependent cellular processes.
• Protein Synthesis: Stimulates biological pathways involved in muscle protein production.
• Nitrogen Retention: Promotes anabolic processes associated with protein metabolism.
• Shorter Ester Activity: The Phenylpropionate ester provides faster release compared with Nandrolone Decanoate.
• Hormonal Activity: Nandrolone has anabolic, androgenic and progestogenic properties.
• Testosterone Suppression: External Nandrolone can suppress natural testosterone production through hormonal feedback mechanisms.

Although NPP and Deca-Durabolin contain different esters, both release the same active hormone, Nandrolone.

Possible Side Effects

Nandrolone Phenylpropionate may cause hormonal, cardiovascular and androgen-related adverse effects.

Common or Recognised Side Effects:

• Acne and oily skin.
• Water retention and swelling.
• Increased blood pressure.
• Unfavourable changes in cholesterol levels.
• Suppression of natural testosterone production.
• Reduced sperm production and fertility problems.
• Testicular shrinkage.
• Changes in libido and sexual function.
• Gynaecomastia and hormonal imbalances.
• Mood changes and irritability.
• Increased red blood cell concentration.