Every 100g bitter gourd contains 18 calories. In fact, this is a very good diet vegetable. For dieters, because bitter gourd is too bitter, many people like to eat tomatoes to lose weight. But tell everyone a secret, that is, tomatoes are 7 calories high. Eating bitter gourd can produce a very strong feeling of fullness. Moreover, the momordicin contained in bitter gourd can effectively prevent fat synthesis.