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GHK-Cu is a copper peptide naturally found in the body, commonly discussed for its role in skin quality, collagen-support pathways, and tissue repair signalling

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[ref] Gut microbiome production and the gut-brain axis for GABA: In addition to the cellular production of GABA, the gut microbiome can also produce GABA, which is then absorbed and transported in the body

Plant secondary metabolites as modulators of mitochondrial health: an overview of their anti-oxidant

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