Headache Kidney stones: High doses of Vitamin C can cause these hard deposits made of minerals and salts to form in your kidneys
B6 (pyridoxine ): Cofactor for more than 100 enzymes involved in amino acid metabolism and the synthesis of neurotransmitters such as serotonin and dopamine
GHK-Cu is generally considered safe for most skin types, including sensitive skin
This process depends on: Vitamin B6 (P5P) as an essential enzyme cofactor Adequate availability of glycine and glutamate Sufficient cellular energy (ATP) Proper liver and mitochondrial function When this pathway is inefficient, glutathione production may be impaired even if homocysteine, B12, or folate levels appear normal
Thomson, C.D., Rea, H.M., Doesburg, V.M., Robinson, M.F., Selenium concentration and glutathione proxidase activities in whole blood of New Zealand residents