When it comes to snacking, most people enthuse over crisps, biscuits and sweets and end up over indulging in a mini-meal. Snacks are supposed to help you stay full between meals and come in many under appreciated forms that can be good for your health, energy boosting and filling. The best news is that they can actually help you stay slimmer, if you snack on the right thing. People tend to make their worst diet decisions when they're famished. So, in order to survive the so-called 'snack attack', having nutritious snacks between each meal will increase your metabolism and help you burn calories.