When vitamin b 12 is deficient, the secretion of serotonin will slow down, and serotonin can regulate mood. Therefore, proper supplementation of vitamin b 12 is helpful to improve moodiness, dull expression and even depression.

2, improve hematopoietic capacity

Vitamin b 12 can promote the development and maturity of red blood cells, make the hematopoietic function of the body in a normal state, and prevent pernicious anemia.

3. Improve the nutritional metabolic rate.

Vitamin B 12 will exist in the form of coenzyme, which can increase the utilization rate of folic acid nutrition and promote the metabolism of carbohydrate, fat and protein.

4. Prevent birth defects

Vitamin b 12 can activate amino acids and promote the biosynthesis of nucleic acids, which has a good effect on the growth and development of infants. On the contrary, if vitamin B 12 is deficient in early pregnancy, it may increase the risk of birth defects.