catalase glutathione peroxidase 2 - an overview cofactor for enzyme glutathione peroxidase

But very few people have heard about glutathione (pronounced "gloota-thigh-own")

An added element, like Lipitor, Nexium, or Prozac, can toss your body over the edge

US health panel loosens restrictions for controversial peptides popular online Published A US Food and Drug Administration (FDA) advisory panel has voted to loosen restrictions on controversial peptides that have become popular online, but have not been well researched for human usage

Fritz R, Bol J, Hebling U, et al

Compound Overview Glutathione is an endogenous tripeptide widely utilised in laboratory research investigating intracellular redox balance, oxidative biochemistry, molecular signalling pathways and cellular metabolic regulation

Some researchers use both, with GHK-Cu providing broader regenerative effects and AHK-Cu targeting hair specifically