What are the functions and side effects of vitamin B12

summary

As we all know, vitamins play a lot of important roles in the human body. We can't do without them. Let's talk about the functions, functions and side effects of vitamin B12 today.

What are the functions and side effects of vitamin B12

First, vitamin B12 in food combines with protein and enters the digestive tract of human body. Under the action of gastric acid, pepsin and trypsin, vitamin B12 is released and combines with a glycoprotein internal factor (if) secreted by gastric mucosal cells. Vitamin b12-if complex is absorbed in ileum. The storage of vitamin B12 is very small, about 2 ~ 3mg in the liver. It is mainly excreted from urine and part from bile.

Second: the effect of vitamin B12 is: to promote the development and maturity of red blood cells, make the body's hematopoietic function in a normal state, prevent pernicious anemia; maintain the health of the nervous system, exist in the form of coenzyme, can increase the utilization rate of folic acid, promote the metabolism of carbohydrate, fat and protein.

Third: some patients have allergic reaction to the product, even anaphylactic shock, so attention should be paid when using it. Excessive vitamin B12 can cause side effects. It is reported that excessive injection of vitamin B12 can cause allergic reactions such as asthma, urticaria, eczema, facial edema, chills, etc., and may also cause nerve excitement, precordial pain and palpitations. Excessive intake of vitamin B12 can also lead to folic acid deficiency.

matters needing attention

Although vitamin B12 is a good thing, it can't be taken in large amount. Excessive use will cause some corresponding complications. Moreover, not everyone can supplement and adapt to vitamin B12. Some patients will have allergic reactions to it.