Value Per Nutrient Food 24.10 mcg 100 grams Vitamin B-12 Lamb, variety meats and by-products, brain, cooked, pan-fried 24.00 mcg 100 grams Vitamin B-12 Cereals ready-to-eat, KELLOGG, KELLOGG'S ALL-BRAN WITH EXTRA FIBER 24.00 mcg 100 grams Vitamin B-12 Mollusks, mussel, blue, cooked, moist heat 22.40 mcg 100 grams Vitamin B-12 Steelhead trout, dried, flesh (Shoshone Bannock) 21.70 mcg 100 grams Vitamin B-12 Turkey, heart, all classes, cooked, simmered 21.30 mcg 100 grams Vitamin B-12 Veal, variety meats and by-products, brain, cooked, pan-fried 21.13 mcg 100 grams Vitamin B-12 Chicken, liver, all classes, cooked, pan-fried 20.70 mcg 100 grams Vitamin B-12 Cereals ready-to-eat, KELLOGG, KELLOGG'S COMPLETE Wheat Flakes