Paper
The effect of vitamin and mineral supplements and health foods on physical endurance and performance
Published Jul 1, 1985 · Å. Bruce, B. Ekblom, I. Nilsson
Proceedings of the Nutrition Society
15
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Abstract
A nutritionally-adequate diet is one that provides sufficient nutrients and energy to meet metabolic needs for optimal functioning of the body. Optimal nutrition is also necessary for the development and maintenance of top physical performance. Nutritional conditioning, like physical conditioning, is a continuous quest, not something to be practised I or 2 d before competition. Sports competitors often experiment with fad diets, protein supplements and megavitamin therapy in order to achieve the ‘competitive edge’. There is, however, no conclusive evidence that such regimens improve performance. Nutrition has become a topic of interest, but much of the information is inadequate, inaccurate and filled with misconceptions. in sixty-three of I 13 joggers and competition runners (thirty-three women and eighty men). Thirteen women and ten men had latent anaemia. Oral Fe therapy (200 mg ferrous sulphate/d) normalized the haemoglobin concentration and improved the transferrin saturation fraction in sixty-one people. The competition runners reported personal records.
A nutritionally-adequate diet, including sufficient nutrients and energy, is essential for optimal physical performance and endurance.
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