The human body spends a significant amount of energy in the process of metabolism of foods known as basal metabolism rate or the BMR. So, adding significant volume of vegetable nutrients to a regular diet will not only help in making your body stronger but will also help you lose weight. This is the concept behind the term: negative calorie foods.
Commonly, it is advised that a person get himself at least five to seven servings of fresh vegetables on a daily basis. Just choose among the variety of vegetables that you feel comfortable eating and get the benefits in an instant.