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There is no such thing as zero calorie foods.
Besides water, there is no such thing as a zero-calorie food. Every single whole food contains carbohydrates, fats, or proteins that provide your body with energy.
Mini Facts
1
While these foods are nutrient-dense and low in calories, consuming excessive amounts without adequate protein and healthy fats may lead to muscle loss and metabolic slowdown.
2
The FDA can get away with labeling food if a single serving of it is under 5 calories as "calorie free".
3
Many ultra-low-calorie foods are packed with insoluble fiber, which your body cannot break down or absorb. These calories can just pass right through you.