Because glutathione levels decline as you age, and glycine can help slow the glutathione slide, it's a good idea to keep your levels high by eating protein rich foods, like organic poultry, grass fed Think You Know Glutathione? Think Again! Metagenics UK Glutathione AspireHealth Frontiers Glutathione deficiency in the pathogenesis of SARS CoV 2 infection and its effects upon the host immune response in severe COVID 19 disease What is glutathione and why must we protect patient access to it? Happy Week 6! Check out the graphic to learn more about Glutathione Synthetase Deficiency.