BOOST Your Glutathione Levels with THESE 5 Natural Hacks! Eat These Foods to Increase Glutathione in Your Body Vitality Medical Wellness Center Foods rich in glutathion (antioxidant) Glutathione Foods Stock Photos Free & Royalty Free Stock Photos from Dreamstime 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 Glutathione is known as the master antioxidant. This critical compound protects cells from damage caused by free radicals and toxins, supports detoxification, plays a key role in DNA synthesis and repair,