It is best to take it in the morning. It is recommended not to take too much. Two pills a day is appropriate. Eating 2 capsules of fermented black garlic a day can keep people away from diseases and prevent a potentially fatal form of high blood pressure in the blood vessels of the lungs called primary pulmonary hypertension, which is the main cause of fatal heart failure. Moreover, black garlic is suitable for people with anemia, high blood pressure, kidney deficiency, etc.; however, it is not suitable for people with diarrhea.