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If you want to verify the efficiency, you can yourself do a clinical study, and prove RFK is wrong

Still, on this specific endpoint, GHK-Cu outperformed retinoic acid in a direct comparison

AOD9604 is a synthetic fragment of human growth hormone designed to influence fat metabolism, whereas GLP1 medications like Semaglutide act on gut and brain hormone pathways to reduce appetite and improve blood sugar

View at PubMed Dimet-Wiley A, Neelakantan H, Al-Dokhi L, et al

This might include increasing the number of neurotransmitter receptors

Medications that can induce B6 deficiency or antagonize its actionsuch as isoniazid, cycloserine, hydralazine, and penicillaminemay necessitate supplemental B6 under medical supervision