which is better glutathione or reduced glutathione Frontiers Source Naturals Reduced Glutathione, 250

Daily use yields the best results for all skin types

It is derived from a protein in the stomach and is purported to help healing of various tissues, including muscles, tendons, ligaments, cartilage, and even the gut

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It is a central non-enzymatic antioxidant in sperm cells that exists in reduced (GSH) and oxidized (GSSG) forms, cycling between the two via the glutathione peroxidase/reductase system, with support from NADPH