Reinvent yourself with USANA RESET weight-management system. It's no secret that the key to effective weight loss is making positive changes in diet and exercise. However, sometimes making those healthy lifestyle changes and improving eating habits can often seems like an insurmountable task. With that in mind, USANA scientists developed the 5-day RESET kit to help people jumpstart healthy eating habits and begin to make a clean break from unhealthy, high-glycemic foods.