3. Tomatoes

Eat one big tomato and you get just 33 calories. Tomatoes contain 9-oxo-ODA, which is a compound that helps to decrease lipid in blood. This, in turn, aids in fighting belly fat. It also helps to combat chronic diseases related to obesity.

Apart from this, tomatoes contain lycopene, which is a potent antioxidant. It helps to fight skin aging, cancer, wrinkles, and high cholesterol. This food is rich in potassium and iron, plus vitamins A and C. Lycopene is such an element that it is not destroyed by heat; so you can enjoy the anti aging benefits of cooked tomatoes.