Contents

Calories & Energy

Calories & Energy✨ AI

A 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.

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