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 Want to naturally boost your glutathione levels? These foods are your secret weapons. Incorporate these into your diet and experience the glow from within! Share this with your friends What is Glutathione? Foods that are naturally rich in Glutathione Times of India Changes in levels of the antioxidant glutathione in brain and blood across the age span of healthy adults: A systematic review ScienceDirect Glutathione Wikipedia Foods High in Glutathione Dr. Christina Carlyle