If you’ve dabbled around in nutrition, you’re probably familiar with the 4-4-9 rule, which says that carbohydrates and proteins each contain 4 calories per gram, while fats contain 9 calories per gram. However, this is really only a rough approximation. Making matters worse, manufacturers are legally allowed to fudge the calorie counts on their labels in certain situations. If you’ve ever wondered why the calories on the label don’t seem to add up to the carbs, proteins, and fats listed there, this week’s podcast explains it all. Read or listen to it here.