Groups that should avoid or seek clinician guidance first Pregnancy and breastfeeding: GHK-Cu has not been adequately studied in pregnancy or lactation
Vegetarians and vegans focused on general wellness, rather than a specific medical concern, are another group where this often fits well, given typically lower natural cysteine intake from a plant-based diet
Deficiency in the level of activity of glucose-6-phosphate dehydrogenase (G6PD) is the basis of favism, primaquine (an anti-malarial drug) sensitivity and several other drug-sensitive hemolytic anemias, anemia and jaundice in the newborn, and chronic nonspherocytic hemolytic anemia
Plus, you wont find any pre-mixed bags here
It is often called the "master antioxidant" because it is found in high concentrations in almost every cell in the human body
Sultan Qaboos University Medical Journal, 7 (3), 267