why take zinc with ghk cu GHK-Cu Peptide Zinc/copper supplement w/GHK CU :

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Within the first several days, self-reported community accounts most commonly describe subtle changes: sharper mental clarity, easier word-finding or verbal fluency, and a sense of "mental connectivity." Some users in community sources report mild mood or motivation shifts in this window

Peptides are not intended for human or animal use of any kind

Studies focusing on c-MET inhibition has reported EGFR sensitivity towards erlotinib drug as well as erlotinib sensitization in a dominant-active c-Src subset of EGFR overexpressing HNSCC lines [94]

CAS: 42464-96-0 Molecular Formula: CHN (typically as a salt) Molecular Weight: ~159.2 g/mol (cation form) Purity: 99% This product is sold strictly for in vitro research and laboratory use only

Outside of that group, published safety data is essentially absent