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 Differentiating Changes in Glutathione Levels from Cytotoxic Events Using Multiplexed Assays Your Glutathione Index Defines How Your Cells Are Ageing Your Glutathione Index Defines How Your Cells Are Ageing A locally activatable sensor for robust quantification of organellar glutathione Nature Chemistry Before you spend money on glutathione, read this first. Topical, oral, injectable what actually works and what's just marketing? #funskincare #funingredientsinfographic101