
HGH 191AA
Research-grade HGH 191AA. ≥98% purity, HPLC & MS verified. Lyophilized powder in sealed glass vial.
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Important Notice
This product is intended for laboratory and research use only. Not for human or veterinary use. By purchasing, you confirm this product will be used exclusively for in-vitro research purposes.
≥98% verified by independent HPLC analysis
Certificate of Analysis included with every order
24h dispatch, free EU shipping over €150
Independent lab verification for every batch
About HGH 191AA
What Is HGH 191AA?
HGH 191AA is recombinant human growth hormone — a 191-amino-acid single-chain polypeptide identical to endogenous somatotropin produced by the anterior pituitary gland. It is the gold standard for growth hormone research, with decades of published literature on its signaling pathways and physiological effects.
Key Research Areas
- GH/IGF-1 axis signaling and downstream pathways
- Cell proliferation and differentiation studies
- Body composition and metabolic regulation models
- JAK2/STAT5 signaling cascade activation
- Growth hormone receptor binding affinity assays
Product Details
Supplied as a lyophilized powder with ≥98% purity (HPLC + MS verified). Store at -20°C. Reconstitute with bacteriostatic water. For research purposes only.
Specification Summary
Customer Reviews
Barcelona, ES
Impressed with the customer service too — had a question about my order and got a helpful reply within hours.
Munich, DE
Third time ordering from CertaPeptides. Always reliable, always on time. The quality documentation is a huge plus.
Brussels, BE
Second order and just as impressed. Product quality is excellent and the price is really fair for EU shipping.
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