Black garlic is considered a very healthy food. However, if not used properly, the harmful effects of black garlic also cause many people concern. So how exactly do they affect health? Let's find out together! Harm of black garlic that you did not expect if used in the wrong way 1. Black garlic causes heat in the body, constipation When you use black garlic in excess of the allowed dose, the body will appear this side effect. Therefore, for subjects with internal heat, health problems related to the stomach and duodenum, they should not use black garlic. The correct dosage should only be about 10 grams per day, their use will lead to constipation. 2. Black garlic causes digestive disorders If you eat garlic without following the seller's instructions in moderate doses, they will negatively affect your digestive system and stomach. Especially when hungry, if you eat black garlic, it is easy to cause digestive disorders, showing signs such as blo...