Nandrolone Phenylpropionate Xeno Labs 100mg, 10ml (USA Domestic)
$65.00
Brand: Xeno Labs
Raw material: Nandrolone Phenylpropionate
Package: 100mg/ml 10ml vial
Stock: USA Domestic
Nandrolone Phenylpropionate: A Technical Analysis of Rapid-Onset Anabolism
In the field of molecular endocrinology, Nandrolone Phenylpropionate (NPP) is a specialized 19-nortestosterone derivative. By utilizing the phenylpropionate ester, this compound achieves peak serum concentrations significantly faster than the more common decanoate version (Deca Durabolin). At globalanabolicsteroids.com, we provide the technical framework for NPP to support studies into protein synthesis, collagen production, and metabolic regulation.
Molecular Architecture and Synthesis
NPP is characterized by the removal of the carbon atom at the 19th position of the testosterone molecule. This modification, combined with the phenylpropionate ester, defines its unique biological profile:
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19-Nor Structure: This structural change increases the anabolic potency while significantly reducing the androgenic activity compared to testosterone.
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Short-Ester Kinetics: The phenylpropionate ester has a shorter carbon chain ($C_9H_{10}O_2$), leading to a more rapid release and a shorter active half-life in the bloodstream.
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5$\alpha$-Reductase Interaction: Unlike testosterone, which converts to DHT, nandrolone converts to dihydronandrolone (DHN), a much weaker androgen. This makes NPP a preferred subject for studying anabolism with minimal stress on the prostate and scalp.
Technical Specifications
For laboratory documentation and analytical modeling, the following data defines Nandrolone Phenylpropionate:
| Property | Scientific Detail |
| Chemical Name | 19-norandrost-4-en-3-one-17$\beta$-yl 3-phenylpropionate |
| Molecular Formula | $C_{27}H_{34}O_{3}$ |
| Molecular Weight | 406.57 g/mol |
| Drug Class | Anabolic Androgenic Steroid (19-nor) |
| Active Half-Life | ~2.5 – 3 Days |
| CAS Number | 62-90-8 |
Core Research Mechanisms
NPP is a critical instrument for observing the intersection of protein metabolism and tissue repair:
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Collagen Synthesis and Joint Health:
Nandrolone is unique in its ability to significantly increase collagen synthesis and bone mineral content. Research in 2025 focuses on NPP for the acceleration of joint recovery and tendon repair due to its fast-acting nature.
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Nitrogen Sparing:
NPP promotes a strong positive nitrogen balance by increasing cellular nitrogen retention. It is widely studied for its ability to reverse muscle-wasting conditions associated with chronic illness or trauma.
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Glucocorticoid Antagonism:
Researchers utilize NPP to study the inhibition of cortisol-mediated catabolism. By blocking glucocorticoid receptors, NPP helps maintain muscle mass during periods of high physiological stress.
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Erythropoiesis:
Like many androgens, NPP stimulates the production of red blood cells by increasing erythropoietin levels, making it a subject for studies on anemia and oxygen transport.
Pharmacokinetics and Laboratory Application
The short-ester profile of NPP offers high control over the experimental window:
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Peak Concentration: Serum levels typically peak within 24–48 hours post-injection.
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Clearance: Due to its short half-life, the hormone clears the system much faster than nandrolone decanoate. This allows researchers to terminate the stimulus quickly if adverse reactions occur.
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Administration: In longitudinal research, a dosing frequency of every 2 to 3 days is typically utilized to maintain consistent receptor saturation.
Laboratory Handling and Safety
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HPG Axis Suppression: NPP is extremely suppressive to natural hormone production. Even small doses can result in the cessation of endogenous testosterone synthesis.
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Prolactin Management: Nandrolone possesses progestogenic activity. Researchers must monitor for prolactin-related side effects, which can influence neuroendocrine data.
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Storage: Store at room temperature ($15^{\circ}C$ to $25^{\circ}C$). Protect from direct light to prevent the degradation of the phenylpropionate ester bond.
Quality Commitment at GlobalAnabolicSteroids.com
Precision is paramount in peptide and steroid research. At globalanabolicsteroids.com, our NPP technical data is verified through High-Performance Liquid Chromatography (HPLC) to ensure a purity level of $\ge 98\%$. We guarantee a sterile, analytical-grade product that ensures your results in tissue regeneration and metabolic health are reproducible.
Benefits
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- Increased Muscle Mass: Supports significant gains in muscle size and strength.
Additionally, PT-141 has been shown to support various physiological enhancements during studies.
- Improved Performance: Enhances endurance and reduces recovery times during workouts.
- Stable Hormone Levels: Helps maintain consistent testosterone levels in the body.
Dosage and Administration
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- Typical Dosage: Commonly administered in doses ranging from 375 mg to 750 mg per week, tailored to individual goals and experience levels.
- Administration: Injected intramuscularly, usually once a week.
Researchers often note the effectiveness of PT-141 in various testing conditions.
Potential Side Effects
- Estrogenic Effects: Risk of water retention, gynecomastia, and mood swings.
- Androgenic Effects: Possible side effects include acne, hair loss, and increased aggression.SStanozolol
- Cardiovascular Risks: Long-term use can lead to elevated blood pressure and cholesterol levels.
Considerations
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- Consultation Required: It’s important to consult a healthcare professional before use, especially for those with existing health conditions.
Understanding the use of PT-141 is vital for well-informed research practices.
- Legal Compliance: Ensure adherence to local laws regarding the purchase and use of anabolic steroids.
| Brand |
: Xeno Labs |
|---|---|
| SHIPPING LOCATIONS |
USA DOMESTIC SHIPPING |

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