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A Nature Scientific Reports 2016 study showed GHK-Cu had no cytotoxicity to human keratinocytes at concentrations up to 5,800 M over 72 hours and did NOT induce inflammatory biomarkers (IL-1, IL-8, HSPA1A, FOSL1) unlike other copper compounds, concluding GHK-Cu has a low potential of inducing skin irritation

No nausea I said 4 only because Ive taken this before through another company

The induction of defense response occurred in the early infection phase at 3 days post-inoculation and it was consistent with lower levels of disease severity in resistant cultivars (Veluchamy and Panthee, 2015)

Why Bacteriostatic Water Is the Standard in Published Research Analysis of 47 published BPC-157 studies reveals that 89% use bacteriostatic water or sterile saline for reconstitution