Are there such foods with negative calorie?

I have been consuming tomatoes, berries, carrots and mostly all green veggies without gaining weight. I have read that those foods aid in fat burning and are very low calorie dense. Therefor loaded with nutrients and its extremely hard to pack on pounds.

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Recommended Answer:

If it counts celery gives less calories that what you use to eat it; so surely your calories -- celery calories = minis calories gained

Other Answers:

• What are you asking? None of those foods are "negative calorie", nor do they aid in "fat-burning". However they're certainly not high calorie either, and no you probably won't get fat eating just those things -- though most people would not feel their hunger satisfied by those things either. It does take a large quantity of that stuff to equal very many calories.Of course you can eat and not gain weight, that's normal. That's because you burn well over 1000 calories a day just living and breathing, running your brain and liver, and heating your body temp to 98.6 degrees. Even sedentary, that takes energy.
• Fun fact: Calories are measured by the amount of energy you get if you set your (dried) food on fire. not by how your body uses it. By that definition no food has negative calories (cause either it gives off energy or it doesn't. But like George said: there might be food that requires more calories eating it than it gives to the body.But your body needs food with calories!