Average glutathione (GSH) levels and subsequent egg production of line Download Scientific Diagram 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 Tonight's dinner was an accidentally glutathione boosting meal! Egg salad with chives and dill served with roasted broccoli and sourdough focaccia. For cysteine include eggs and other high protein foods including poultry, Glutafit 600