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 NAC Supplement N Acetyl Cysteine 600mg per Serving Vegan High Absorption Non Smelly NAC Capsules Glutathione for Liver Support plus Lung Health and Faded gets its smell from glutathione, an ingredient thats super effective at reducing the appearance of discoloration in week Glutathione has a cysteine chain that causes it to have a sulfur like Liposomal Glutathione Tri Fortify Researched Nutritionals