A low Apo B is usually harmless if it is caused by nutritional imbalances. If it is caused by liver disease, hyperthyroidism and other diseases, low ApoB may be harmful to the body. Whether or not low ApoB is harmful to the body needs to be judged according to the cause of the disease. If it is caused by unbalanced diet and nutritional intake, it is usually not harmful to the body. It is recommended to adjust the diet, pay attention to balanced nutritional intake, you can eat foods rich in protein and vitamins, such as lean meat, milk, apples, green vegetables and so on. If liver disease, hyperthyroidism, malignant tumors, low beta lipoproteinemia and other diseases lead to low apolipoprotein B may be harmful to the body. It is suggested that low Apo B needs timely medical examination of the cause of the disease, and patients need to follow the doctor’s instructions to choose the appropriate measures for treatment.