US$ 22.98
function of glutathione s-transferase gst Glutathione-S-Transferases as Potential Targets for
Description
Ingredients: Natural plant extracts, glutathione, vitamin C, retinol, hyaluronic acid, alpha arbutin, nicotinamide, and collagen

It is due to the copper ions from the blue copper peptide

Natural Orange Flavor: Adds a zesty, citrus taste with no added sugar or artificial flavoring

Click for more information.
