Potential Benefits & Side Effects What the framing of each peptide suggests
Usually refers to reduced glutathione (GSH), a tripeptide composed of glutamic acid, cysteine and glycine, which is a naturally occurring antioxidant in cells
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doi: 10.1007/s00415-014-7632-0 55
Foods high in sulphur-containing amino acids (like cysteine) are key: Eggs Lean meats and fish Whey protein Allium vegetables (garlic, onions) Cruciferous veg (broccoli, Brussels sprouts) Some foods contain glutathione itself - particularly avocado, spinach, asparagus, and okra - but cooking and storage rapidly degrade it