Supplementation patterns in marathon runners
1989
Nieman, D.C. | Gates, J.R. | Butler, J.V. | Pollett, L.M. | Dietrich, S.J. | Lutz, R.D.
The purpose of the present investigation was to study the use of supplements in a large group of endurance runners (no.=347) who had participated in the 1987 Los Angeles Marathon. Three-day dietary records were analyzed for nutrient content and supplement usage. The runners' supplementation patterns with respect to demographics, dietary quality, training habits, and race performance were investigated. In general, no significant associations were found between supplement use and the aforementioned variables. Use of supplements, especially vitamins C and E, calcium, and zinc, increased with age (p less than .05). Daily use of at least one type of supplement was reported by 29% of the runners; 48% reported use of at least one type of supplement within the 3-day period.
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