Since glutathione is made of amino acids, your stomach often treats it like a piece of food, attempting to break it down into its individual parts before it ever reaches your bloodstream
Curr Opin Biotechnol 13:181187 Wachter A, Wolf S, Steininger H, Bogs J, Rausch T (2005) Differential targeting of GSH1 and GSH2 is achieved by multiple transcription initiation: implications for the compartmentation of glutathione biosynthesis in the Brassicaceae
Nature 528, 262266
It also switches the production of black-brown colored eumelanin towards yellow-red pheomelanin, leading to a lighter skin colour
the healing process may be slow, but the problem does eventually improve or go away completely
Often marketed as miracle drugs, they come with a growing list of claims, but there are things to know before diving in