glutathione composed of cysteine glycine glutamate Chemical structure (GSH), a tripeptide made up of Glutathione Biochemistry | Glutathione Synthesis

Fumarate Links Metabolism, Immune System Function, and Cancer The major source of fumarate is the TCA cycle but in addition fumarate is generated in the context of the urea cycle, the biosynthesis of the purine nucleotides, and in the catabolism of the amino acids phenylalanine and tyrosine

The specific ratio matters less than ensuring adequate amounts of each peptide are delivered per spray

GHK-Cu is widely used in cosmetic skincare and haircare, and there is promising research on its regenerative and hair-supporting properties, but it is not an FDA-approved drug for treating hair loss

K.CormeraisY.DurivaultJ.TambutteE.et al (2021)

Its proposed mechanism of action in these patients is attributed to glutathione repletion and subsequent detoxification of acetaminophen reactive oxidation products, especially NAPQI