What vitamin does oral ulcer lack

The patient has oral ulcers, which may indeed be caused by vitamin deficiency. If the patient lacks vitamin c, vitamin b1, b2, b6, b12, it is possible to get oral ulcers. It is also possible that the patient lacks trace elements iron and zinc, thus causing oral ulcers. Oral ulcers, there are many reasons, in addition to lack of vitamins or trace elements, in addition to this cause, there may be other causes, such as mental factors, environmental factors, poor oral hygiene, smoking and drinking, lack of nutrition, trauma factors, immune factors, genetic factors and so on, may cause oral ulcers.