The name negative calorie diet is a little bit misleading.
there is no food out there with zero calories.
When you eat something, your body produces enzymes to help break down the calories contained in the food.
Negative Calorie diet means you burn more to digest the food than what it's bringing in.
here are some negative calorie diet fruits:
Apple
Blueberry
Cantaloupe
Cranberry
Grape Fruit
Honey Dew Melon
Lemon
Mango
Lime
Orange
Peach
Pineapple
Rasberry
Strawberry
Watermelon