Calories, Exercising and Micro-Nutrients
1. Calories (macro-nutrients): Your body has a certain limit of calories it needs to function properly. It you eat up to your limit you will maintain the way you currently look. If you eat above the limit (bulking), you will grow. If you eat below the limit (cutting), you will shrink. You grow through gaining muscle mass or body fat. You shrink through losing body fat or muscle mass. Now you know how to Maintain, Grow, or Shrink through calories.