1, promote methyl transfer.

2, promote the development and maturation of red blood cells, so that the muscle hematopoietic function is in a normal state, to prevent pernicious anemia; maintenance of nervous system health.

3. Existing in the form of coenzyme, it can increase the utilization rate of folic acid and promote the metabolism of carbohydrates, fats and proteins.

4, with the role of activating amino acids and promote the biosynthesis of nucleic acids, can promote protein synthesis, it has an important role in the growth and development of infants and young children.

5, metabolizing fatty acids, so that fats, carbohydrates, proteins are properly used by the body.

6, eliminate irritability, concentration, memory and sense of balance.

7. It is an indispensable vitamin for the sound functioning of the nervous system, and is involved in the formation of a lipoprotein in nerve tissue.

Side effects of taking vitamin B12:

Generally there are no side effects, occasionally the following adverse reactions may occur.

1, can cause allergic reactions, and even anaphylactic shock.

Peak, promote the growth of malignant tumors.

3, meet vitamin C, heavy metal salts failure.

Sung, occasionally cause rash, itching, diarrhea and asthma.

The main source of the body

Food: ⒈, animal liver, kidney, beef, pork, chicken, fish, clams, eggs, milk, cheese, dairy products, curd.

Drugs: Peck, vitamin B12 is not easily absorbed by the stomach, most of which is absorbed through the small intestine, so the long-acting ingot is more effective.

3, a serious lack of vitamin B12, the physician will be injected to supplement.

Sung, the elderly have difficulty in absorbing Vitamin B12, so they can go to the hospital and take it by injection.