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For example, a study published in the Journal of Alternative and Complementary Medicine found that B12 supplements improved endurance and reduced fatigue in athletes

Any references to insulin-like growth factor, growth-related pathways, or metabolic endpoints are provided for scientific context only

The conversion of superoxide anions into hydrogen peroxide, before subsequently metabolized into water by catalase and glutathione (GSH) peroxidase, is facilitated by the metalloprotein superoxide dismutase (SOD)

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