Vitamin B-12 (cobalamin) is required for red blood cell creation, cell metabolism, neuron function, and the generation of DNA, the molecules that carry genetic information inside cells.

Vitamin B-12 deficiency can result in weariness, anxiety, disorientation, numbness, and tingling in the fingers and toes. Severe, long-term insufficiency may result in loss of movement, walking difficulties, memory loss, exhaustion, shortness of breath, numbness, and poor balance.

Vitamin B-12 levels may be measured with a blood test from your doctor, and a severe deficit can be rectified with B12 injections or high-dose pills. Dietary adjustments, B12 injections, or supplements are used in treatment.

Low vitamin B12 levels might cause anemia or nervous system damage. A lack of vitamin B12 may result in a decrease in the number of healthy red blood cells (anaemia). The nervous system may be damaged as well. Diet or certain medical problems might be to blame.

However, the easiest way to receive B12 is through your food. According to the National Institutes of Health, the average adult should ingest 2.4 micrograms (mcg) of vitamin B12 each day. The following table lists some of the greatest vitamin B12 dietary sources.

Vitamin B12-rich foods include beef, fish, milk, cheese, and eggs.
certain fortified breakfast cereals. To treat vitamin B-12 deficiency, injections or nasal sprays may be administered. B12 also collaborates with other B vitamins to promote certain functions. For example, B12 and folate (B9) work together to help create red blood cells.

Other Dietary Sources;