Nandrolone-Phenylpropionate

Nandrolone Phenylpropionate

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1. Chemical Structure & Purity

• IUPAC Name: (17β-Hydroxyestr-4-en-3-one decanoate)

• Molecular Formula: C₂₈H₄₄O₃

• Molecular Weight: 428.65 g/mol

• Melting Point: ~30-35°C (softens at room temperature)

• Appearance: White to off-white crystalline powder

• Solubility: Oil-soluble (for injectable use)

2. Anabolic & Androgenic Ratings

• Anabolic Rating: 125% (moderate but steady muscle-building effects)

• Androgenic Rating: 37% (low androgenic side effects)

• Aromatization: Low (converts to estrogen at ~20% the rate of testosterone)

3. Purity & Quality Assurance

✔ ≥98% HPLC/GC-MS Verified – No impurities, heavy metals, or solvents
✔ Microbiological Testing – Ensures sterility for injectable use
✔ Residual Solvent Analysis – Meets USP/EP standards

 Benefits of Nandrolone Phenylpropionate

 Quality Muscle Growth – Promotes lean, steady gains with minimal water retention
Joint & Collagen Support – Reduces joint pain and improves recovery
Low Androgenic Side Effects – Minimal risk of acne, hair loss, or prostate issues
Long-Lasting Effects – Decanoate ester provides stable release for 2-3 weeks
Therapeutic Applications – Used medically for osteoporosis and anemia

is a slow-acting ester of the anabolic steroid nandrolone. It is most commonly known by its brand name, Durabolin. Its close chemical relative, Nandrolone Decanoate, is known as Deca-Durabolin.

The key difference is the ester attached: the phenylpropionate ester has a shorter half-life, meaning it requires more frequent injections (e.g., every 2-3 days) compared to decanoate (every 7-10 days). It was developed to provide the benefits of nandrolone with a slightly faster onset of action.

 Dosage & Administration

Recommended Dosages (When Brewed into Oil)

Brewing Guidelines (For Injectable Use)

• Carrier Oil: MCT, Grapeseed, or Cottonseed Oil

• Concentration: 200-300 mg/mL (optimal for less frequent injections)

• Solvents & Preservatives:

  • Benzyl Alcohol (BA): 2% (preservative)

  • Benzyl Benzoate (BB): 15-20% (for stability)