
HGH (somatropin) is a 191-amino-acid recombinant research peptide that is sequence-identical to human growth hormone. It acts through the growth-hormone receptor and its JAK2/STAT5 signaling cascade, and is investigated for its influence on protein synthesis, lipolysis, and cellular growth, as well as its downstream induction of hepatic IGF-1. This compound provides researchers a reference standard for studying the deep biology of growth, metabolism, and recovery.

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