Glutathione is the body's master antioxidant. It is important for handling oxidative stress, detoxification, and immune health. Low glutathione is linked to many chronic illnesses. Knowing what your body needs to make Yes glycine can be a surprisingly inexpensive, effective alternative to many overpriced collagen powders, but with some important nuances. Here's a clear breakdown of what glycine is, how it compares to Glutatione En Glutathione, a tripeptide found in virtually all cells, functions as a reducing agent. The structure of glutathione is: What amino acids make up glutathione? Homework.Study.com