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 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 Glutathione synthesis from glycine and glutamine; 'retro control' by Download Scientific Diagram Optimizing Glutathione's Component Amino Acids Without Supplements