Supplementation in sport

Nutrient supplementation in sport today is widely accepted. Still, additional intake of some nutrients very often is not valid because it is not based on clear evince deficit in organism. Results of relevant scientific researches did not always show that supplementation of some nutrients is in positive correlation with arising psycho/physical ability relevant for sportsman. Uncontrollable using of potent multivitamin/mineral preparation can bring to nutrient imbalance, toxic manifestation and hypervitaminosis occurrence. Protein intake witch exceed recommendation level will not increase muscle mass but it will be followed with series of undesirable effects. Adequate intake of carbohydrates, including supplementation as well as good hydration, appear to be a key factors of success in all kind of sports. Supplementation of some nutrients is necessary in sports where marginal nutrient intake is established.