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Researchers studying oral peptide bioavailability should reference the specific published literature on GHK-Cu oral research

It is not suitable for consumption by humans, nor for medical, veterinary, or household purposes

10.1016/j.jaci.2014.10.047 4 BerchtoldM

This strong position is underpinned by a highly developed healthcare ecosystem, sophisticated biotechnology capabilities, and established expertise in antioxidant research and supplementation

Additionally, do not self-inject unless your prescriber explicitly trained and instructed you to do so

However, it is important to choose a product that is free of irritants and fragrances and has been tested for safety on sensitive skin