Readisorb: The Stinkiest Antioxidant Your Body Craves Glutathione & NMN Ampoule. Volume: 30 ml. The jar is quite heavy and made of glass. The serum has a clear, gel like consistency. But its scent reminds me of rotten eggs , but that's exactly If a serum smells bad it usually means it works., This glutathione serum smells like rotten eggs and thats your first clue its highly concentrated. Glutathione is known for targeting The stinky secret to Kendall Jenners favorite glow ingredient , If your Glutathione doesnt smell like rotten eggs, its probably not the real deal! Im testing out the Dr.Ceuracle Glutathione