If you eat egg whites on top of a healthy diet, you will not gain weight in general. Because egg whites contain mainly high-quality protein, the energy content is not particularly high. It is important to remember that the real reason for gaining weight is not because of eating egg whites, but because the negative balance between energy intake and energy consumption is not achieved, more energy is eaten and less energy is consumed, resulting in the accumulation of energy in the body, which will cause fat, so egg whites are not the real reason for gaining weight. And properly eat some egg whites, can make the muscles become more developed some. When the muscles become developed, it can make the basal metabolic rate increase, which can consume more energy. So it is appropriate to eat some egg whites, with some push-ups, sit-ups, squats, pull-ups, let us achieve muscle gain at the same time, for the prevention of obesity actually have a very key role, so it is appropriate to eat egg whites does not cause fat.