Description

Technical Parameters

Durabolin (Nandrolone Phenylpropionate) Raw Material Powder Core Introduction

Pharmaceutical Grade Ingredients | Nandrolone Phenylpropionate (Short-Acting Anabolic Steroid )

Chemical Name : 17β-Hydroxyestradiol-4-en-3-one phenylpropionate

CAS number : 62-90-8

Molecular formula : C₂₇H₃₄O₃

Molecular weight : 406.56

Melting point : 95-99°C

Appearance : White crystalline powder

Purity : ≥98% (HPLC)

Core Effects

Durabolin is a short-acting anabolic steroid widely used for medical rehabilitation, muscle growth, and athletic performance enhancement due to its excellent joint repair and mild anabolic properties .

✅ Powerful joint repair :

Stimulate collagen synthesis and improve joint pain and stiffness

Strengthen tendons and ligaments to reduce the risk of sports injuries

✅ Gentle muscle growth :

Promotes protein synthesis and increases lean body mass without water retention

Low androgenic activity (androgenic index 37), low risk of side effects

✅ Medical application value :

Treat osteoporosis , increase bone density and bone strength

Improve anemia and promote red blood cell production

Burn and trauma recovery , accelerated tissue repair

End Product Preparation Guidelines

1. Preparation of injection oil (50mg/ml) :

Recipe example (preparation volume for 100ml):

Nandrolone phenylpropionate raw material: 5.0g

Benzyl alcohol: 2.0ml

Cottonseed oil: add to 100ml

Preparation process :

Raw material pretreatment : micronization (D90≤10μm)

Dissolution and mixing : Heat in a 40°C water bath and stir magnetically until completely dissolved

Sterile filtration : 0.22μm membrane positive pressure filtration

Subpackaging : Subpackaging into sterile injection bottles under aseptic environment

Quality Control :

HPLC assay : 95-105% labeled amount

Endotoxin detection : <0.5EU/ml

Sterility test : 14 days of incubation by membrane filtration

2. Preparation Notes :

Dissolution Optimization :

Heating temperature : 40-45°C is optimal to avoid high temperature degradation

Stirring speed : 200-300 rpm to ensure complete dissolution

Solvent Selection :

Cottonseed oil : most commonly used, good stability

Sesame oil : Low allergy risk

Filtration process :

Pre- filtration : 1.0μm filter membrane removes large particles

Final filtration : 0.22μm filter membrane ensures sterility

Usage Protocol

1. Medical rehabilitation applications :

Osteoporosis treatment : 25-50 mg/week, deep intramuscular injection

Anemia treatment : 50-100 mg/week, deep intramuscular injection

Joint repair : 50 mg/week, deep intramuscular injection

2. Muscle Growth Cycle :

Male dosage : 100-200 mg/week, deep intramuscular injection

Female dose : 50-100 mg/week, deep intramuscular injection

Cycle Length : 8-12 weeks

3. Injection steps :

Preparation before injection :

Wash your hands and prepare alcohol pads, needles, and syringes

Warm the vial to 37°C (hold in the palm of your hand for 2 minutes)

Drug extraction operation :

Sterilize the rubber stopper and inject an equal amount of air

Slowly draw out the required dose, removing any air bubbles.

Injection procedure :

Disinfect the injection site (5 cm diameter circle)

Rapidly advance the needle 90 degrees and slowly push the needle in (30 seconds/ml)

After removing the needle, press the cotton pad and do not massage the injection site

Storage Guidelines

1. Raw material storage :

Temperature : 2-8°C for refrigerated storage, -20°C for long-term storage

Humidity : Relative humidity ≤ 30%, desiccant protection

Light : Store away from light, in brown glass bottle or wrapped in aluminum foil

Expiration date : 24 months at -20°C, 12 months at 2-8°C

2. Storage of the preparation :

Injectable oil : Store at room temperature (15-25°C), avoid high temperatures

Light protection : Store in original packaging and avoid direct sunlight

Validity period : 24 months

3. Transport Conditions :

Transport at room temperature : 15-25°C, avoid extreme temperatures

Shockproof packaging : avoid severe vibration

Fast delivery : Delivery within 48 hours to ensure stability

Why choose Nandrolone Phenylpropionate ?

One of the safest steroids with very low risk of side effects

Multiple medical values , joint repair and osteoporosis treatment

Suitable for both men and women , safer for women

Quality Assurance :

GMP -compliant production , each batch HPLC purity tested (≥98% )

Third-party laboratory report (COA) is included with the goods

Microbial limit testing to ensure safety

Worldwide Shipping :

Original sealed packaging , moisture-proof and light-proof

Privacy delivery , outer packaging, speed racing lottery results query official website platform

Temperature -controlled transportation to ensure stability

Conclusion

Nandrolone phenylpropionate can be prepared as an injectable formulation using aseptic processing . It is particularly suitable for joint repair, medical rehabilitation, and mild muscle growth . The recommended dosage is 100-200mg/week (for men) and 50-100mg/week (for women) .

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