Vitamin B12

Keeps nerve and blood cells healthy and helps make DNA.

Type: Water-soluble
Main job: Keeps nerve and blood cells healthy and helps make DNA

Good to know

Found naturally only in animal foods, so people who eat plant-based diets usually need fortified foods or supplements.

Foods rich in Vitamin B12

SalmonOmega-3 (EPA & DHA), protein, vitamin DProteins

SardinesOmega-3, calcium with bones, vitamin D & B12ProteinsMedicine note

EggsComplete protein, choline, vitamin B12Proteins

Greek YogurtProbiotics, protein, calcium, gut healthProteinsMedicine note

Sources

NIH Office of Dietary Supplements: Vitamin B12 fact sheet
USDA FoodData Central

Last reviewed October 2026.

General information only, not medical advice. If you take medicine or manage a health condition, check with your doctor, pharmacist or a registered dietitian before changing your diet. Read our medical disclaimer.