Our Subversive Free Radicals III

Free radicals are intermediates in many normal and necessary metabolic reactions. Thus, all oxygen-using organisms have had to evolve defensive mechanisms against free radicals: The enzymes catalase and peroxidase break down hydrogen peroxide and other peroxides, superoxide dismutase (called SOD) controls the superoxide free radical, and glutathione peroxidase also controls peroxides. Antioxidants such as vitamins […]

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The Synthetic Versus Natural Controversy II

“A vitamin C is a vitamin C is a vitamin C.” A synthetic (made by a chemical factory) molecule of vitamin C is exactly the same as a natural (made by a plant’s biochemical factory) molecule of vitamin C. It is argued that there may be nutritional cofactors (some possibly unidentified) accompanying natural vitamins. It […]

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