One of our products smells like rotten eggs?! It's actually because of an ingredient called Glutathione, which naturally contains Sulfur. But don't let the smell fool you this ingredient will make Liposomal Glutathione Rho Nutrition Does Glutathione Smell Bad? Understanding the Master Antioxidant Cymbiotika CYMBIOTIKA Smelly glutathione farts could be explained by gamma glutamyltransferase (GGT)., As mentioned in this video, GGT provides specific bacteria cysteine to make smelly farts. Watch this video to learn