breakfast, continuous glucose monitoring, dietary fiber, dietary protein, meal tolerance test, overweight, Adult, Blood Glucose, Body Mass Index, Breakfast, Cross-Over Studies, Diabetes Mellitus, Type 2, Dietary Fiber, Dietary Proteins, Double-Blind Method, Extracellular Fluid, Female, Glucose, Humans, Hyperglycemia, Hyperinsulinism, Indiana, Insulin, Male, Overweight, Postprandial Period, Risk, Young Adult