It's a glutathione precursor. You can't really directly take glutathione as a supplement. You have to take stuff that helps the body make it in house. Glutathi

It's a glutathione precursor. You can't really directly take glutathione as a supplement. You have to take stuff that helps the body make it in house. Glutathione is a powerful antioxidant and, among other things, it's important liver support. Milk thistle is another glutathione precursor.