53 whole foods ranked by how much Vitamin B12 a typical serving delivers, shown as a percentage of the 2.4 mcg daily value (≥10% per serving = a good source). Myelin synthesis, red blood cell production, methylation cycle.
Amounts are for one typical serving (FDA/USDA reference portion) of the food's default form. %DV is relative to the 2.4 mcg daily value. Educational reference, not medical advice.