Low Calorie Foods
25 Shockingly Low-Calorie Foods
Find out how many calories are in a tomato.
Tomatoes are a good source of lycopene, the phytochemical that makes them red, and they are a prostate protector and help eliminate skin-aging free radicals caused by ultraviolet rays. Cooking tomatoes (which, like avocados, are technically a fruit) helps concentrate their lycopene levels, so tomato sauce, tomato paste and even ketchup pack on the protection.