intermittent fasting concept with meal scheduling.

intermittent fasting meal timing fasting window time-restricted eating health concept schedule periods time healthy weight management benefits eating diet lifestyle nutrition food loss dietary pattern metabolic health habits cycle calorie control planning hunger method energy balance breaks protocol timing chart time-based restriction benefits circadian rhythm intervals period intake window design metabolism nutritional strategy method icon flexibility food routine body clock balanced management metabolism boost tracking time-controlled optimal lifestyle patterns frame system restriction model pattern