Before you spend money on glutathione, read this first. Topical, oral, injectable what actually works and what's just marketing? #funskincare #funingredientsinfographic101 Glutamine vs Glutathione What's The Difference & Which Is Best? Essential Stacks Is Glutamine Same As Glutamic Acid? Glutathione is an antioxidant that's made up of the three amino acids glutamine, glycine, and cysteineall of which are rich in the mineral sulfur. The main functions of glutathione are to fend off Glutamine: Metabolism and Immune Function, Supplementation and Clinical Translation How to Take Glutathione Effectively: Dosage & Tips