can you inject ghk cu anywhere FDA scientists flag concerns with peptides as RFK Jr. tries to ease access : NPR ✨GHK-Cu, the copper peptide, is

GLP-1R reporter assay was performed twice with triplicates for each test article concentration

10.1016/j.ebiom.2023.104494 9 ChenM.WeiS.WuX.XiangZ.LiX.HeH.et al (2024)

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Here is a summary of how topical GHK-Cu was administered in three select studies: In a 1998 study by Abdulghani et al., GHK-Cu was found to have a significant effect on collagen production when applied as a cream to the thigh area for one month