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A 2024 study showed that copper peptide formulations activated this pathway, increasing expression of VEGF (vascular endothelial growth factor) and HGF (hepatocyte growth factor) both critical for follicle regeneration [3]

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With demand for peptides on the rise and would-be self-optimizers seeking out the drugs on gray and black markets, Kennedy said on Joe Rogans podcast in February that he thought the Food and Drug Administration would take action within a couple of weeks to make them more accessible

With files from CBC's Pauline Dakin