oa South African Journal of Sports Medicine - Vit C as effective as combinations of anti-oxidant nutrients in reducing symptoms of upper respiratory tract infection in ultramarathon runners



The effect of anti-oxidant supplementation on the incidence of symptoms of upper-respiratory-tract infection (URTI) was determined during the fortnight following the 1993 Comrades Marathon (90km). Runners and sedentary matched controls were randomly divided into groups receiving 500mg Vit C.


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