Originally Posted by kristin

My highest calorie burn day was around 850-900, about a 15 mile bike ride, two mile run and full lifting routine. I'm on a 1200 calorie diet, if I work off those calories obviously are added on and my body is allowed more carbs, fat, etc. But not sugar. Sly is right, it's about calories and also sugars, which is usually where the calories come from.