Eating healthy with a fast metabolism diet will help you lose weight. Searching for the right type of food that you need to eat and combining the food together to start your fast metabolism diet. Let's discuss what fast metabolism really means, and what certain kind of food and habits that helps us to boost our metabolism so that we are able to lose weight. There are two kinds of metabolic process that take place in our body. The first one is catatonic metabolism process, which provides us with the energy we need for our daily activities during the day.