Calcium and vitamin C team up well to boost metabolism, and broccoli is just one of several healthy foods that contains both nutrients. What sets broccoli apart from the others, however, is that the green veggie also contains kind of fiber that’s been shown to increase the digestion, absorption and storage of food, also known as the thermic effect of food (TEF). A revved up metabolism combined with an increased TEF is a match made in weight loss heaven, so consider incorporating broccoli into a tasty stir-fry, or serving it as its own side dish.