Drinking vinegar at night has no special benefits. The main components of edible vinegar are water and glacial acetic acid, and vinegar generally contains 3% to 5% glacial acetic acid, as well as a small amount of aromatic amino acids, minerals, vitamins and so on. But the overall nutritional value is not high, and you can’t supplement your nutrition by drinking vinegar. Most of the time, vinegar is used as a seasoning to increase the unique flavor of food, which is good for increasing appetite. But for people with good appetite itself, drinking vinegar at night will aggravate hunger, very appetizing, always want to eat, not conducive to controlling calorie intake. It should be noted that people with gastroesophageal reflux and gastric ulcers need to control the amount of vinegar intake.