given the concern regarding the ability to greatly increase and maintain an individual's fruit and vegetable consumption over a long term period, the role of dietary supplementation with bioactive components in blueberries remain a very attractive and feasible daily dietary internvention. to the best our knowledge, there is no human research that has reported on the efficacy og increased blueberry bioactive consumptioy on insulin sensitivity by using the hyperinsulinemic-euglycemic clamp technique