HGH 191AA
HGH 191AA refers to recombinant human growth hormone (somatropin) consisting of 191 amino acids. It has essentially the same amino-acid sequence as naturally occurring human pituitary growth hormone and a molecular weight of approximately 22.1 kDa. hgh 191aa peptide, hgh 191aa
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Key characteristics:
- Common name: Human Growth Hormone (HGH), somatropin
- Length: 191 amino acids
- Molecular weight: ~22,125 Da
- Structure: Single-chain, non-glycosylated protein with two intramolecular disulfide bonds
- Production: Recombinant DNA technology
- Medical use: Prescription HGH is used for specific growth-hormone-deficiency conditions and certain other approved indications. hgh 191aa peptide
HGH should not be confused with HGH Fragment 176–191: the latter is only a small portion of the growth-hormone molecule and is not equivalent to full-length somatropin. hgh 191aa
Where to buy HGH 191AA
If you’re wondering where to buy HGH 191AA, it’s important to choose a reputable supplier that provides high-quality products, third-party testing, and transparent information about purity and manufacturing standards. HGH 191AA, hgh 191aa peptide, hgh 191aa
PeptaShop is a trusted online store for purchasing HGH 191AA, offering high-quality products, transparent sourcing, and a commitment to customer satisfaction. hgh 191aa
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Research Applications for HGH 191AA
Recombinant HGH is used in research on growth hormone axis biology, body composition (lean mass, fat distribution), bone metabolism, IGF-1 signaling, metabolic regulation, aging and GH deficiency models, and as a positive control for GH secretagogue research. hgh 191aa
Specifications
| Parameter | Value |
|---|---|
| Compound | Recombinant Human Growth Hormone (somatropin) |
| Sequence | 191 amino acids, identical to endogenous pituitary GH |
| Purity | ≥98% (supplier batch spec; 99.4% avg across independently tested lots) |
| Format | Lyophilized powder |
| Reconstitution | Bacteriostatic water |
| Storage | 2-8°C lyophilized; 2-8°C after reconstitution |
Storage
Lyophilized HGH should be stored at 2-8°C (refrigerator) rather than frozen — freezing can damage the protein structure. After reconstitution with bacteriostatic water, store at 2-8°C and use within 28 days. Do not shake — gently swirl to dissolve. hgh 191aa


