Title |
Can supplementation with vitamin C and E alter physiological adaptations to strength training?
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Published in |
BMC Sports Science, Medicine and Rehabilitation, July 2014
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DOI | 10.1186/2052-1847-6-28 |
Pubmed ID | |
Authors |
Gøran Paulsen, Kristoffer T Cumming, Håvard Hamarsland, Elisabet Børsheim, Sveinung Berntsen, Truls Raastad |
Abstract |
Antioxidant supplementation has recently been demonstrated to be a double-edged sword, because small to moderate doses of exogenous antioxidants are essential or beneficial, while high doses may have adverse effects. The adverse effects can be manifested in attenuated effects of exercise and training, as the antioxidants may shut down some redox-sensitive signaling in the exercised muscle fibers. However, conditions such as age may potentially modulate the need for antioxidant intake. Therefore, this paper describes experiments for testing the hypothesis that high dosages of vitamin C (1000 mg/day) and E (235 mg/day) have negative effects on adaptation to resistance exercise and training in young volunteers, but positive effects in older men. |
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