Meal replacements are foods that replace some or all of your regular meals. Common forms of meal replacement include meal replacement powder, meal replacement bars, meal replacement shakes and meal replacement porridge. Meal replacement can quickly and conveniently replenish the body’s need for a variety of nutrients, it has high fiber, low calorie, easy to satiety characteristics. Meal replacement food often contains konjac and grains and cereals and other raw materials, these foods, although the taste of consumption and the main meal is not the same, but also contains fiber food, calories are relatively low. After consuming meal replacement foods, you should drink more water so that your body is well hydrated, which can also promote the body’s metabolism. However , the nutrition contained in meal replacement food is not balanced enough, and long-term consumption will cause harm to the body. Insufficient intake of carbohydrates may cause the body to feel weak and hypoglycemic. Each person’s ability to absorb meal replacement products varies, and long-term consumption of meal replacement products is not recommended. Those who feel unwell after consuming them should consult a doctor in time to avoid harm to the body.