Vitamin B12 is a nutrient that helps keep your body's blood and nerve cells healthy and helps make DNA, the genetic material in all your cells. It's found naturally in animal products but also added to certain foods and available as an oral supplement or injection.
Benefits of Vitamin B12:
Who Is at Risk of Vitamin B12 Deficiency?
An estimated 6% of people in the US and the UK aged 60 or older have a vitamin B12 deficiency, while about 20% have low to normal or borderline deficient levels.
Vitamin B12 deficiency can occur in one of two ways. Either your diet lacks adequate amounts, or your body cannot fully absorb it from the food you...