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Nutrición Hospitalaria

versão On-line ISSN 1699-5198versão impressa ISSN 0212-1611

Resumo

ESPINO GONZALEZ, Ever; MUNOZ DAW, María de Jesús  e  CANDIA LUJAN, Ramón. Effects of ingesting carbohydrateprotein supplements during exercise on endurance performance: a systematic review. Nutr. Hosp. [online]. 2015, vol.32, n.5, pp.1926-1935. ISSN 1699-5198.  http://dx.doi.org/10.3305/nh.2015.32.5.9645.

Introduction: sports drinks aid to improve physical performance significantly because of its content of carbohydrate, electrolytes and water. However, in recent decades it has been found that drinking a sports drink with protein during exercise improves endurance performance, produces lower losses of body weight induced by dehydration and helps to reduce post-exercise muscle damage compared to a drink only with carbohydrate and electrolytes. Purpose: the aim of this study was to analyze the main studies about the effectiveness of a supplement intake with carbohydrate, protein and electrolytes during exercise. Methods: studies were identified by searching Google Scholar, EBSCO, PubMed and Scopus using the following search terms: Carbohydrate-protein and performance and Added protein and sports drink. The methodological quality of the trials was evaluated, and It was considered that the intake of the supplement has been during exercise. Results: twenty articles were included in this study. Thirteen obtained results were the intake of sports drinks with protein produced significant improvements on endurance performance compared to beverages with carbohydrates and electrolytes alone, or a placebo. Discussion: increase the caloric content of sports drinks to add protein was probably a better strategy than reduce the carbohydrate content to match the amount of calories. Conclusions: protein intake during exercise demonstrated an ergogenic effect on endurance performance when assessed by time to exhaustion. However, we need more evidence to prove this possible ergogenic effect of protein.

Palavras-chave : Physical performance; Hydration; Sports drinks.

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