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Growth hormone (GH) is a protein-based peptide hormone. It stimulates human development (biology), cell (biology) reproduction and regeneration in humans and other animals. Growth hormone is a 191-amino acid, single-chain polypeptide that is synthesized, stored, and secreted by the soma...
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I got this side effect when I was taking genotropin, and now again with riptropin, and i hear people say they get tired after injecting their peptides. so what is the science behind this...