B12 in Health

He synthesis of DNA and the creation of cellular energy both require vitamin B12. This review’s objectives are to describe vitamin B12 metabolism and assess the causes and effects of subclinical vitamin B12 insufficiency.

Vitamin B12 malabsorption or insufficient dietary intake of animal sources are the main causes of vitamin B12 insufficiency, which is widespread. Vegetarians, as well as other groups with limited intakes of animal foods or those with stringent dietary patterns, are at risk of vitamin B12 insufficiency.