Vitamin C supplementation does not alter the immune response to 2.5 hours of running.
作者： David C. Nieman , Dru A. Henson , Diane E. Butterworth , Beverly J. Warren , J. Mark Davis
DOI: 10.1123/IJSN.7.3.173
关键词:
摘要: This randomized, double-blind, placebo-controlled study was designed to determine the influence of vitamin C supplementation on immune response 2.5 hr high-intensity running. Twelve experienced marathon runners (VO2 max 51.6 +/- 1.5 ml.kg-1.min-1, age 40.5 2.0 years) were randomized into (1,000 mg/day for 8 days) or placebo groups. On test day, subjects ran at 75-80% VO2 hr, with five blood samples taken before and 6 after. Blood analyzed cortisol catecholamines; leukocyte subsets; interleukin-6; natural killer cell activity; lymphocyte proliferation as induced by concanavalin A, phytohemagglutinin, pokeweed mitogen; granulocyte phagocytosis activated oxidative burst. Compared placebo, had no significant effect pattern change in any these hormonal measures following intensive
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