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A review of GHK-Cu s wound healing and skin regeneration research by Pickart and Margolina (2018), highlighted the importance of sustained application for achieving the full range of GHK-Cu s documented biological effects
Nasal sprays add another layer
doi: 10.1371/journal.pone.0179124 500 LoebelMStrohscheinKGianniniCKoelschUBauerSDoebisCet al
Benefits Increase insulin sensitivity and enhances exercise tremendously
A 2025 systematic review of the compound identified only 36 total studies, 35 of which were conducted on animals and just one single study (with a sample size of 12!) conducted on humans
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