Methylglyoxal is an antibacterial effector produced by macrophages during infection: Cell Host & Microbe Does taking glutathione actually work? Many people take glutathione supplements hoping for brighter, healthier skin. But here's the truth Once glutathione is swallowed, it enters the stomach and gets broken Amazon.com: Glutathione Supplement 1,000mg Per Serving, 98% Purity Plus Vitamin C 500mg, Active Reduced Form (GSH) Intracellular Antioxidant Supports Detoxification & Immune Health : Health & Household What To Avoid When Taking Glutathione