Eating only one dragon fruit for dinner will not generally cause weight gain. The main reason for weight gain is that during the day, the total amount of dietary intake is not well controlled, resulting in excessive energy intake into fat, thus causing the body to gain weight. Dragon fruit is a low-calorie fruit, if you eat only one dragon fruit at dinner, and the total amount of breakfast and Chinese food control, generally not only will not lead to obesity, but also may increase the sense of satiety, reduce fat accumulation, so as to achieve the purpose of weight loss. But it is recommended that at the same time to carry out appropriate exercise, metabolize excess body heat, promote the digestion of food and absorption, to enhance the weight loss effect. People who want to lose weight are suitable to eat dragon fruit, dragon fruit contains plant protein to a certain extent to protect the stomach wall, and the calorie itself is not high, both for health, but also to lose weight. Dragon fruit contains anthocyanins can antioxidant, delay aging, but also for anemia, hypertension and other diseases. Weight loss people should reasonably control the daily intake, do not diet to lose weight, so as not to lead to malnutrition, you can control the intake plus exercise for weight loss, the effect is more ideal.