Plenty of dieters do this themselves with protein fluff/"ice cream" (protein shakes with ice and xanthum gum). Overweight people almost by definition eat by vol

Plenty of dieters do this themselves with protein fluff/"ice cream" (protein shakes with ice and xanthum gum). Overweight people almost by definition eat by volume not by calories (ie they eat more than their body needs for caloric maintenance). So these whipped products seem pretty useful.