GHK-Cu is the copper(II) complex of the tripeptide glycyl-L-histidyl-L-lysine, naturally present in human plasma at declining concentrations with age
An insufficient level of B12 is medically considered a form of anemia, much like the anemia one would develop with low iron
10.1289/ehp.8483
LapennaDde GioiaSCiofaniGMezzettiAUcchinoSCalafioreAMet alGlutathione-related antioxidant defenses in human atherosclerotic plaques
however, it is highly recommended to conduct a patch test prior to regular application of skincare products.[4] Users should discontinue use if they experience any signs of allergic reactions, such as redness, hives, or itchiness.[5] While copper can potentially cause skin irritation or toxicity, in vitro studies suggest that GHK-Cu complexes may have a lower likelihood of inducing these effects.[6] However, it is always recommended to consult a healthcare professional before using any new skincare product
If you eat vegetarian, that doesn't automatically mean low glutathione
