Prior short-term consumption of resistant starch enhances postprandial insulin sensitivity in healthy subjects.

AIMS/HYPOTHESIS: Diets rich in insoluble-fibre are linked to a reduced risk of both diabetes and cardiovascular disease; however, the mechanism of action remains unclear. The aim of this study was to assess whether acute changes in the insoluble-fibre (resistant starch) content of the diet would have effects on postprandial carbohydrate and lipid handling. METHODS: Ten healthy subjects consumed two identical, low-residue diets on separate occasions for 24 h (33% fat;