1, mullein has no side effects, the general public can eat, but the following groups of people is best to eat less or not eat, so as not to cause discomfort. Pregnant women and people with cold spleen and stomach eat less, eat with caution. Digestive function is weak, as well as in the menstrual period of women try not to eat. People with abdominal pain and diarrhea should not eat.

2, mullein is rich in vitamin A, vitamin C, B vitamins and proteins, have heat, detoxification, slippery bowel, cool blood effect. It can be used to treat constipation, dysentery, boils, dermatitis and other diseases.