Calories & Energy
✨ AIA calorie is a unit of energy. Your body spends it to breathe, move, and think, and gets it from food.
A "calorie" on a food label is really a kilocalorie (kcal): the energy your body can release from that food. You burn energy around the clock: most of it just keeping you alive (your resting metabolism), the rest on daily movement and exercise.
What is Calories & Energy?
A "calorie" on a food label is really a kilocalorie (kcal): the energy your body can release from that food. You burn energy around the clock: most of it just keeping you alive (your resting metabolism), the rest on daily movement and exercise.
Why Calories & Energy matters
Only three nutrients supply energy, and not equally: protein and carbohydrates give about 4 kcal per gram, fat about 9 kcal per gram, and alcohol about 7. That is why fatty foods pack more calories into the same weight.
Practical tips
Weight follows energy balance over time: eat roughly what you burn to maintain, less to lose, more to gain. It's a long-run average, not a single day, and food quality still matters for health, not just the number.
References
FAQ
What is Calories & Energy?
A calorie is a unit of energy. Your body spends it to breathe, move, and think, and gets it from food.
Why is Calories & Energy important?
Only three nutrients supply energy, and not equally: protein and carbohydrates give about 4 kcal per gram, fat about 9 kcal per gram, and alcohol about 7. That is why fatty foods pack more calories into the same weight.
Any practical tips?
Weight follows energy balance over time: eat roughly what you burn to maintain, less to lose, more to gain. It's a long-run average, not a single day, and food quality still matters for health, not just the number.


