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Antioxidant Supplements are Unnecessary for Most People

Some believe supplemental antioxidants, like vitamin C and vitamin E, can enhance adaptation to exercise. On the surface, this makes sense. Physical exercise creates reactive oxygen species (ROS), a signaling pathway important biological and physical adaptations to training (Mankowski, Anton, Buford, & Leeuwenburgh, 2015). Overproduction of ROS, can cause cellular damage through ROS interfering with the phospholipid bilayer of the cell membrane (McBride & Kraemer, 1999) Vitamin C and E are antioxidants, meaning they both limit the accumulation of oxidative stress by limiting the amount of ROS produced (Mankowski et al., 2015). Taking a vi