What are negative calorie foods?

No foods have negative calories. The lowest calorie food is water at zero calories

Some foods have low calories, but it takes higher number of calories for the digestive system to break it down in to energy. The net impact is no calories to gain weight but may use up extra calories during digestion. The impact is net negative calories

The best example is celery. An 8" celery stalk has 6 calories, but it takes 12 calories to digest the stalk, so net impact is minus six calories

Negative calorie foods are eaten snacks to satiate hunger without adding net calories to your diet. Most of the raw fruits and vegetables are negative calorie foods. Popular negative calorie foods are as follows

Apples

Blueberries

Broccoli

Cantaloupe

Cauliflower

Cherries

Cucumbers

Grapefruit

Green beans

Mushrooms

Oranges

Raspberries

Tangerines

Tomato

Watermelon

Strawberries.

Cold water by definition is negative calorie food. It has no calories but it spends energy to warm the water to internal body temperature.