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While lyophilised (freeze-dried) BPC-157 is considerably more robust than reconstituted liquid, it is still susceptible to rapid thermal degradation if exposed to excessive heat for prolonged periods

Instead, its activity is associated with adrenergic receptorlinked pathways in adipocytes

The 157 refers to the amino acid sequence position within the parent gastric protein from which the 15-amino-acid peptide was isolated

Structurally, GHK-Cu is made of three amino acids, glycine, histidine, and lysine, bound to a copper ion that helps drive its biological activity

The compound has also been characterized in hair follicle research and is a long-standing cosmetic ingredient in topical preparations

In that case, purchasing the compounds separately allows for precise dose control