HGH — Human Growth Hormone (Somatropin, rhGH) is a 191 amino acid peptide hormone naturally produced by the anterior pituitary gland. The recombinant form is bioidentical to endogenous GH and is widely studied for its effects on body composition, metabolism, and tissue regeneration. This box contains 10 vials of lyophilized powder.
HGH acts by binding to GHR receptors on target cells, triggering JAK2/STAT5 and MAPK/ERK cascades that regulate cellular growth, repair, and metabolism. It also stimulates IGF-1 production in the liver, its primary anabolic mediator.
Its natural age-related decline is associated with increased fat mass, reduced lean mass, decreased bone density, and lower energy levels — the axes on which the majority of current research is focused.
| Structure | 191 amino acids · 2 disulfide bonds |
| Molecular weight | 22,124 Da |
| Other names | Somatropin, Somatotropin, rhGH, 191aa |
| Form | Lyophilized powder |
| Contents | Box of 10 vials |
| Purity | >99% HPLC |























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