The difference is that GHK-Cu activates it biochemically, systemically, and without requiring physical tissue injury
Like other small peptides, glutathione is degraded by various peptidases including tripeptide aminopeptidases and -glutamyl transpeptidases 1,3
However, in recent years, that obstacle has been resolved by the development of advanced delivery systems for glutathione
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Peripheral neuropathy (with unregulated products): The WHO has received reports linking nerve damage to high-dose IV glutathione administered without adequate medical oversight, primarily in markets with unregulated products
Many people start with weekly treatments for several weeks and then transition to maintenance sessions