How long is the right time to take vitamin B12

As one of the B vitamins, vitamin B12 plays a particularly important role in our human body. Especially in the hematopoietic function, the importance of vitamin is even more obvious. Vitamin B12 is also called hematopoietic vitamin. But even so, the human body's intake of vitamin B12 is not the more the better. Excessive intake of vitamin B12 can cause harm to the human body, and the demand for vitamin B12 varies according to gender and age, so we should take vitamin B12 scientifically.

Key Features

⒈ Promote the development and maturation of red blood cells, keep the body's hematopoietic function in a normal state, prevent pernicious anemia, and maintain the health of the nervous system;

⒉ Existing in the form of coenzyme, it can increase the utilization of folic acid and promote the metabolism of carbohydrates, fats and proteins;

⒊ It has the function of activating amino acids and promoting the biosynthesis of nucleic acids and proteins, and it plays an important role in the growth and development of infants and young children;

⒋ Metabolize fatty acids so that fats, carbohydrates, and proteins can be properly used by the body;

⒌ Eliminate restlessness, concentrate attention, enhance memory and sense of balance;

⒍It is an indispensable vitamin for the healthy functioning of the nervous system and is involved in the formation of a lipoprotein in nervous tissue.

Vitamin B12 Excess and Dangers

Vitamin B12 is the vitamin that the human body requires in the smallest daily amount. Excessive intake of vitamin B12 can produce toxic side effects. It is reported that excessive injection of vitamin B12 may cause allergic reactions such as asthma, urticaria, eczema, facial edema, chills, and may also cause nervous excitement, precordial pain, and palpitations. Excessive intake of vitamin B12 can also lead to folic acid deficiency.

Recommended daily intake of vitamin B12

Daily recommended amount

Group Age (years) Vitamin B12 (μg)

Infant 0--1 0.52--1.5

Children 1--10 2.0--3.0

Teens 11--18 3.0

Adult 3.0

Pregnant women 4.0

Wet Nurse 4.0