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 Frontiers Glutathione: A Samsonian life sustaining small molecule that protects against oxidative stress, ageing and damaging inflammation Can't remember the 3 amino acids in Glutathione? Just think: Glu Cys Gly! " The Master Antioxidant: Glutathione Glutathione isn't just a buzzword in skincareit's a vital tripeptide (\gamma glutamyl cysteinyl glycine) that keeps your cells Glutathione is the body's primary internal antioxidant, made using the amino acid cysteine, and it helps protect cells from oxidative stress. Beyond detoxification, research shows glutathione is involved in thyroid hormone metabolism,