Black garlic can be eaten raw, you can choose to eat raw or cooked according to their own taste, but it is not recommended to eat more, so as not to aggravate the burden on the stomach and intestines. Black garlic is rich in nutritional value, each 100 grams of black garlic contains 219 calories, carbohydrate 39.8 grams, protein is 4.2 grams, 0.3 grams of fat, fiber 9.8 grams. It can be seen that black garlic is rich in essential carbohydrates, amino acids, dietary fiber, vitamins, calcium, sodium, magnesium and other trace elements, dietary fiber can promote gastrointestinal peristalsis, vitamins can promote the body’s metabolism, trace elements can balance the body’s electrolytes, carbohydrates can provide energy for the body. Black garlic taste spicy, will stimulate the stomach and intestines, is not recommended to eat on an empty stomach, if you suffer from gastric ulcers and other gastric diseases, it is recommended to consume with caution, black garlic sugar content is high, diabetic people are not recommended to consume too much, to avoid elevated blood glucose, aggravate the condition.