10 foods that are basically calorie-free

A cup of rocket (arugula) has 5 calories. Vitamin K, fiber, and antioxidants are abundant in arugula. It contains 100% of your daily vitamin K, which is beneficial for bones.


A 20-calorie half-cup meal has 2 grams of fiber, 2 grams of protein, and half the daily vitamin K requirement.


A one-cup serving of medium bell peppers provides 30 calories. Vitamin C is abundant in these sweet peppers, with nearly 100% of your daily dose in one pepper.

Bell peppers

Broccoli has few calories and lots of fiber, vitamin C, vitamin K, and antioxidants. Chopped broccoli has 31 calories per cup.


Cabbage has 18 calories per cup, whether used in salads, sandwiches, coleslaw, or sautéed. 


Cauliflower has replaced rice, pizza crust, and buffalo wings because it's healthier. Cauliflower has 27 calories per cup plus fiber and antioxidants.


Foods with 95% water content have few calories. Celery has only 15 calories per cup. 


Swiss chard, a beet-related leafy green, resembles spinach. Add some chopped chard to your next salad, soup, or stir fry.


Chili peppers, like bell peppers, are low in calories. Chili peppers are much less sweet and hotter, thus they contain fewer calories.

Chili peppers

For good reason, cucumbers can replace tortilla chips, crackers, and other foods a cup has only 16 calories.


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