Why do you get diarrhea when you take vitamin B?

Taking vitamin b diarrhea may be normal phenomenon, drug allergy, intestinal flora imbalance and other reasons related.
1. Normal phenomenon: vitamin B can enhance appetite, promote digestion, which produces a tendency to diarrhea, leading to the phenomenon of eating vitamin B diarrhea.
2. drug allergy: some people due to physical reasons, may be allergic to vitamin b, after eating easy to stimulate the intestinal tract to induce allergic reactions, the symptoms of eating vitamin b diarrhea.
3. intestinal flora imbalance: intestinal flora imbalance leads to intestinal digestion and absorption ability is weakened, eating vitamin b stimulate intestinal, cause eating vitamin b diarrhea symptoms.
Eating vitamin b diarrhea may also be related to other causes, it is recommended that early standardized treatment to reduce the adverse effects of the disease.