What Is HGH 191AA (Somatropin)?

# What Is HGH 191AA (Somatropin)? Human Growth Hormone (HGH) 191 amino acid recombinant protein, identical to natural human GH. ## Key Facts - Type: Recombinant protein - Research status: Preclinical / Laboratory research - Molecular information: 191 amino acids, recombinant protein - Available specifications: 6iu, 50iu, 24iu, 12iu, 10iu, 36iu, 15iu - Testing: HPLC, Mass Spectrometry ## Detailed Overview Somatropin (HGH 191AA) is a recombinant human growth hormone consisting of 191 amino acids, identical in structure to the naturally produced hormone. In research settings, it has been studied for its role in growth hormone receptor signaling, IGF-1 pathway activation, and metabolic regulation. Published studies have investigated its effects on cell growth, protein synthesis, and lipid metabolism in laboratory models. RaySunPeptide manufactures and supplies HGH 191AA for qualified research and laboratory applications. Human Growth Hormone (HGH) 191 amino acid recombinant protein, identical to natural human GH. It is supplied by RaySunPeptide as a research-grade compound for qualified laboratory and research applications. Published research on HGH 191AA (Somatropin) remains at the preclinical and laboratory investigation stage. Researchers studying HGH 191AA (Somatropin) have access to peer-reviewed publications through PubMed that document various aspects of its chemical properties and biological activity. RaySunPeptide manufactures and supplies HGH 191AA (Somatropin) with the following quality assurances: - **Purity**: ≥98% verified by HPLC - **Testing**: Each batch undergoes HPLC and Mass Spectrometry analysis - **Documentation**: Certificates of Analysis (COA) available upon request - **Packaging**: Available in multiple vial configurations > **Note**: HGH 191AA (Somatropin) is supplied for qualified research and laboratory purposes only. It is not intended for human consumption, therapeutic use, or any application outside of controlled research environments. ## References - PubMed database (pubmed.ncbi.nlm.nih.gov) for peer-reviewed research publications on HGH 191AA (Somatropin) - RaySunPeptide product specifications and Certificates of Analysis ## Related Products - [ACE-031](/products/ace-031) - [GHRP-2 Acetate](/products/ghrp-2-acetate) - [GHRP-6 Acetate](/products/ghrp-6-acetate) - [CJC-1295 Whitout DAC](/products/cjc-1295-whitout-dac) ## About RaySunPeptide RaySunPeptide is a peptide manufacturer and supplier based in Southeast Asia, providing research-grade peptides, proteins, and related compounds for qualified research, laboratory, and B2B applications. All products undergo rigorous quality control testing and are supplied with Certificates of Analysis (COA).