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Description Glutathione (GSH) is a tripeptide composed of glutamic acid, cysteine and glycine, linked by an unusual -glutamyl bond that distinguishes it from standard peptide chains
Discovered in the early 1970s, GHK-Cu is a small, naturally occurring protein fragment that binds to copper ions
The real symptoms show up only when you ask specifically: how many bowel movements last week
But for targeted gut health, dedicated peptides like BPC-157 have far more direct evidence and are the preferred first-line option
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