A setpoint is described as a weight range where one's body functions optimally. Setpoint theory states that the body makes use of behavior changes, appetite, and other mechanisms to maintain a certain your body weight in a certain range.
stay away from too much sugar and eat things that are east to digest such as potato chips. also, be sure to have plenty of electrolytes. the G2 Gatorade works best for electrolytes and hydration. good luck!