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While researchers note that the LD50 (lethal dose) for GHK-Cu in murine models equates to an impossibly massive single dose of roughly 23,000mg for a 70kg human adultrendering acute lethal toxicity highly improbable at the standard aesthetic therapeutic doses of 5-50mgthe long-term cumulative effects of daily copper peptide injections remain entirely unmapped in human populations
Real yields are eroding fast
Consistency GHK-Cu works through cumulative collagen remodeling
The development of novel therapeutic strategies remains both a research priority and a persistent challenge in the field
10.1007/s00125-017-4330-3 [DOI] [PubMed] [Google Scholar] 130.Jojima T, Uchida K, Akimoto K, Tomotsune T, Yanagi K, Iijima T, et al