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Prolonged vitamin C supplementation and recovery from demanding exercise


Reference:

Thompson, D., Williams, C., McGregor, S. J., Nicholas, C. W., McArdle, F., Jackson, M. J. and Powell, J. R., 2001. Prolonged vitamin C supplementation and recovery from demanding exercise. International Journal of Sport Nutrition and Exercise Metabolism, 11 (4), pp. 466-481.

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Abstract

The aim of the present study was to investigate whether 2 weeks of vitamin C supplementation affects recovery from an unaccustomed bout of exercise. Sixteen male subjects were allocated to either a placebo (P; n = 8) or vitamin C group (VC; n = 8). The VC group consumed 200 mg of ascorbic acid twice a day, whereas the P group consumed identical capsules containing 200 mg of lactose. Subjects performed a prolonged (90-min) intermittent shuttle-running test 14 days after supplementation began. Post-exercise serum creatine kinase activities and myoglobin concentrations were unaffected by supplementation. However, vitamin C supplementation had modest beneficial effects on muscle soreness, muscle function, and plasma concentrations of malondialdehyde. Furthermore, although plasma interleukin-6 increased immediately after exercise in both groups, values in the VC group were lower than in the P group 2 hours after exercise (p < .05). These results suggest that prolonged vitamin C supplementation has some modest beneficial effects on recovery from unaccustomed exercise.

Details

Item Type Articles
CreatorsThompson, D., Williams, C., McGregor, S. J., Nicholas, C. W., McArdle, F., Jackson, M. J. and Powell, J. R.
DepartmentsFaculty of Humanities & Social Sciences > Health
RefereedYes
StatusPublished
ID Code6846
Additional InformationID number: ISI:000173020600007

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