5 Things You Don't Know About Calories

Woman looks at an eggplant in the supermarketCalories have a bad reputation when it comes to weight loss. But, calories are actually an important source of fuel that your body can’t live without.

“Your body needs calories for energy,” says Kimberly Lummus, MS, RD. “Calories are the force behind everything we do, including eating, sleeping, and breathing.”

But do you know how calories work, and how many you really need?

Here are five facts about calories…

Calories equal energy. Calories are how much energy your body gets from the food and beverages that it consumes. Most food sources are composed of some combination of carbohydrates, fats, and proteins, and each of these nutrients contains calories.