5 snacks to rev up your metabolism

Snacking throughout the day isn't the worse thing you could do. Eat when you like if you're watching your weight, but make the switch from fattening sugary foods to foods that will speed up your metabolism. 

Here are five snacks that you shouldn't feel guilty about indulging in. Don't worry - there aren't any names you've never heard of, or things that aren't available at your nearest supermarket!