Supports the body's defense against free radicals. It recycles antioxidant nutrients such as vitamin C and vitamin E. An ideal antioxidant would quench a wide variety of free radicals, support the functioning of other antioxidants, chelate metal ions that can generate free radicals, function in watery and fatty environments, and reach tissues, cells, and extracellular spaces. Lipoic acid is termed the universal antioxidant.

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