The creatine peak administration do not alter glucose homeostasis and decreases food intake in rats
Abstract
O presente estudo verificou a homeostase glicêmica e as ingestões hídricas e alimentar de ratos alimentados ou não com dieta acrescida de creatina. Dez ratos Wistar machos foram submetidos ao ensaio tipo cross-overe alimentados com dieta acrescida de creatina em fasede saturação celular (pico) (AIN-93M + 13% de creatina) ou dieta padrão (AIN-93M). Peso corporal e ingestões hídrica e alimentar foram registrados cinco dias/semana; ao final de cada período de administração da creatina (10 dias) os animais realizaram o GTT e o ITT. A creatina em fase pico não alterou a homeostase glicêmica dos animais, aumentou a ingestão hídrica e diminuiu a ingestão alimentar. Estudos futuros são requeridos para verificar até que ponto a administração de creatina, em diferentes formas, altera de forma significativa o balanço hídrico, a osmolaridade intra e extracelular e, até mesmo, os mecanismos de sede, fome e saciedade, os quais são modulados pelo hipotálamo.
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