ZPtrop HGH ZPHC — 16 IU (1 lyophilized vial + bac water)
Original price was: $45.00.$30.00Current price is: $30.00.
ZPtrop HGH ZPHC — 16 IU (1 Lyophilized Vial + Bacteriostatic Water)
Product Code: ZPtrop HGH ZPHC — 16 IU
Product Overview
ZPtrop Human Growth Hormone (HGH) by ZPHC is a premium-quality recombinant human growth hormone (rhGH) consisting of a 191-amino-acid polypeptide chain identical to endogenous human growth hormone produced by the pituitary gland. Each kit includes one 16 IU lyophilized vial of somatropin and one accompanying vial of bacteriostatic water for reconstitution.
Description
ZPtrop HGH ZPHC — 16 IU (1 lyophilized vial + bac water)
ZPtrop HGH ZPHC — 16 IU (1 Lyophilized Vial + Bacteriostatic Water)
Product Code: ZPtrop HGH ZPHC — 16 IU
Product Overview
ZPtrop Human Growth Hormone (HGH) by ZPHC is a premium-quality recombinant human growth hormone (rhGH) consisting of a 191-amino-acid polypeptide chain identical to endogenous human growth hormone produced by the pituitary gland. Each kit includes one 16 IU lyophilized vial of somatropin and one accompanying vial of bacteriostatic water for reconstitution.
ZPtrop HGH is manufactured under stringent quality control protocols, with each batch verified for authenticity and consistency. Independent laboratory testing has confirmed ZPtropin 16 IU vials to exhibit a purity of 97.304% somatropin, reflecting the high manufacturing standards upheld by ZPHC. The 191-amino-acid sequence ensures bio-identity with naturally occurring human growth hormone, distinguishing it from inferior 192-aa variants.
Key Product Specifications
| Specification | Detail |
|---|---|
| Active Ingredient | Somatropin (191-aa recombinant human growth hormone) |
| Dosage | 16 IU per vial (approximately 5.3 mg total) |
| Form | Lyophilized powder for injection |
| Diluent | 1× bacteriostatic water for injection (included) |
| Purity | ≥ 97-99% (HPLC verified) |
| Molecular Weight | Approximately 22.4 kDa |
| Storage (Lyophilized) | Cool, dry environment |
| Storage (Reconstituted) | 2-8 °C (refrigerated); stable 7-10 days |
Reconstitution Instructions
Standard reconstitution procedure: Add the supplied bacteriostatic water to the lyophilized vial. Swirl gently until the somatropin fully dissolves into a clear, particulate-free solution. Do not shake vigorously, as this may denature the peptide structure. After reconstitution, the concentration is 16 IU per vial (≈ 5.3 mg), suitable for use with insulin syringes and precise micro-dosing applications.
Research Applications
ZPtrop HGH is widely utilized in research settings for its diverse physiological effects. Recombinant human growth hormone has been demonstrated to promote skeletal and visceral growth, stimulate protein anabolism, and influence lipid metabolism. Key research applications include:
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Lean Tissue Repair and Protein Synthesis: GH promotes protein synthesis pathways over amino acid oxidation, supporting lean body mass maintenance and tissue repair.
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Fat Metabolism Models: GH administration stimulates intracellular lipolysis and facilitates body fat remodeling.
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Collagen Synthesis and Connective Tissue Turnover: GH influences connective-tissue turnover throughout the body.
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Recovery and Sleep Studies: Growth hormone plays a role in recovery processes and sleep architecture.
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Anti-Aging Research: GH replacement therapy in adults has been associated with increased lean body mass, decreased fat mass, and improvements in maximal power output.
Sample Research Dosing Protocols
Dosing should be determined based on specific research objectives and subject characteristics. The following are general reference ranges:
| Application | Recommended Daily Dosage |
|---|---|
| Well-being and tissue repair models | 1–2 IU |
| Fat-loss and metabolic studies | 2–3 IU |
| Hypertrophy and anabolic protocols | 3–4 IU |
Subcutaneous administration is the standard route of delivery. Injections are typically administered once daily, preferably in the morning to align with endogenous GH secretion patterns. Researchers should begin with lower doses to assess tolerance before titrating upward.
Quality Assurance
ZPtrop HGH by ZPHC undergoes rigorous quality control testing to ensure research-grade standards:
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HPLC Purity: ≥ 97-99% somatropin content
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Low Endotoxin Profile: Minimized risk of pyrogenic reactions
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Batch Verification: Each vial is batch-verified for authenticity and consistency
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191-aa Sequence: Identical to endogenous human growth hormone
Storage and Handling
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Lyophilized Powder: Store in a cool, dry environment away from direct light and heat.
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Reconstituted Solution: Refrigerate immediately at 2–8 °C.
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Stability After Reconstitution: Stable for 7–10 days when properly refrigerated.
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Discard: Any unused reconstituted solution after the stability period.
ZPtrop HGH ZPHC — 16 IU is available now for research purposes. Secure your supply of this high-purity, batch-verified recombinant human growth hormone today.
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Top 10 Frequently Asked Questions
1. What is ZPtrop HGH?
ZPtrop HGH is a recombinant human growth hormone (somatropin) consisting of 191 amino acids, identical to the growth hormone naturally produced by the human pituitary gland. It is supplied as a lyophilized powder for reconstitution and is intended for research applications.
2. How is ZPtrop HGH reconstituted?
Add the supplied bacteriostatic water to the lyophilized vial and swirl gently until the powder fully dissolves into a clear solution. Do not shake vigorously. The resulting concentration is 16 IU per vial (approximately 5.3 mg).
3. What is the purity of ZPtrop HGH?
Independent laboratory testing has confirmed ZPtropin 16 IU vials exhibit a purity of 97.304% somatropin. ZPHC maintains quality control standards targeting ≥ 98-99% purity via HPLC verification.
4. How should ZPtrop HGH be stored?
Lyophilized powder should be stored in a cool, dry environment. After reconstitution, the solution must be refrigerated at 2–8 °C and is stable for 7–10 days.
5. What is the difference between 191-aa and 192-aa HGH?
The 191-amino-acid sequence is identical to endogenous human growth hormone and is considered bio-identical. The 192-aa variant contains an additional amino acid and is associated with a higher incidence of antibody formation. ZPtrop HGH utilizes the preferred 191-aa sequence.
6. What are the primary research applications of somatropin?
Somatropin is studied for its effects on lean tissue repair, protein synthesis, fat metabolism, collagen synthesis, recovery processes, sleep, and anti-aging mechanisms. It stimulates protein anabolism and promotes skeletal and visceral growth.
7. What dosing ranges are commonly used in research?
Typical research dosing ranges from 1–2 IU daily for well-being and repair models, 2–3 IU for fat-loss studies, and 3–4 IU for hypertrophy protocols. Dosing should be individualized based on research objectives and subject response.
8. How is somatropin administered?
Somatropin is administered via subcutaneous injection using an insulin syringe. Injections are typically given once daily, preferably in the morning.
9. How long is reconstituted ZPtrop HGH stable?
When refrigerated at 2–8 °C, the reconstituted solution remains stable for 7–10 days. Any unused solution should be discarded after this period.
10. Is ZPtrop HGH batch-verified?
Yes. Each vial is batch-verified for authenticity and consistency, ensuring research-grade quality and reliability.
References and Reputable Sources
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PubMed (National Library of Medicine): https://pubmed.ncbi.nlm.nih.gov/ — Comprehensive database of peer-reviewed research on somatropin and growth hormone therapy
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FDA (U.S. Food and Drug Administration): https://www.fda.gov/ — Regulatory information and prescribing guidelines for somatropin products
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DailyMed (NIH): https://dailymed.nlm.nih.gov/ — Official drug labeling and reconstitution information for somatropin
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ScienceDirect: https://www.sciencedirect.com/ — Peer-reviewed literature on growth hormone mechanisms and applications
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Frontiers in Endocrinology: https://www.frontiersin.org/ — Research articles on GH metabolic effects and tissue-specific actions






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