Amazon.com: myni Glutathione Collagen Jelly (15 Sticks) Korean Skincare Supplement by Ildong. L Glutathione Yeast Extract 500mg, Low Molecular Weight Fish Collagen 1,000mg, Pomegranate Extract. : Health & Household L Glutathione Enriched Yeast Extracts 98%, 50%, 15%, 8% Food, Skin Care Made in China.com Are you familiar with the many benefits of nutritional yeast? It's naturally rich in glutathione, which is one of the most powerful antioxidants in your body. It helps detoxify heavy metals and Role of Glutathione in Yeast Growth and Fermentation for Beer and Wine" by Christian Paumi, Snyder Chowning et al.