Before you spend money on glutathione, read this first. Topical, oral, injectable what actually works and what's just marketing? #funskincare #funingredientsinfographic101 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 supplementation reverses manganese neurotoxicity by eliciting the mitochondrial unfolded protein response ScienceDirect Glutamine vs Glutathione: Complete Guide to Optimize Health Glutamine restores testicular glutathione dependent antioxidant defense and upregulates NO cGMP signaling in sleep deprivation induced reproductive dysfunction in rats ScienceDirect