What does vitamin B12 do?

Vitamin B12 helps build DNA and maintains your blood and nerve cells. Vitamin B12 prevents megaloblastic anaemia, which causes fatigue and weakness.

Vitamin B12 foods?

Many animal meals include vitamin B12, and some fortified foods do too. Unfortified plant meals lack vitamin B12. These foods contain vitamin B12 in recommended amounts:

Vitamin B12 is found in meat, poultry, eggs, dairy, and fish.

Vitamin B12 is greatest in clams and beef liver.

Breakfast cereals, nutritious yeasts, and other foods include vitamin B12.