Glutathione IV Therapy: Benefits, Side Effects, and More 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 Does Glutathione Make You Poop? Understanding Its Effects on Digestion Performance Lab One of our products smells like rotten eggs?! , Its actually because of an ingredient called Glutathione, which naturally contains Sulfur. , But dont let the smell fool you this ingredient will