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薬理と治療
Abstract
Objective We investigated the effect of nutritional intervention with milk protein, minerals and vitamins to the muscle damage and anemia state of long-distance runners. Methods A before-after intervention study was conducted in 16 male university long distance runners. The runners were supplied the two types of test drinks, milk protein-enriched drink (Meiji Sports Milk, Milk Protein Up 200 mL)and minerals and vitamins-enriched drink(Meiji Meibalance(R) VitaZcs)for 8 weeks. The body weight, the muscle weight and the body fat percentage were measured before and 4, 8 weeks after from starting nutritional intervention. Bloodsamples were taken before and 4, 8 weeks after from starting nutritional intervention, and blood and serum parameters were measured. Results The body weight and the weight of muscle after intervention were increased and the body fat percentage was decreased compared with before intervention. Serum total protein, albumin, red blood cells, blood hemoglobin, serum copper and zinc levels after intervention were significantly higher than before nutritional intervention. Serum creatine kinase and lactate dehydrogenase levels were significantly lower than before nutritional intervention. Conclusions These data indicated that the supplement of milk protein, minerals and vitamins are effective to the suppression of muscle damage and the prevention of anemia state.
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