Value Per Nutrient Food 5.05 mcg 100 grams Vitamin B-12 Beef, chuck, shoulder clod, top blade, steak, separable lean and fat, trimmed to 0" fat, all grades, raw 5.04 mcg 100 grams Vitamin B-12 Beef, shoulder top blade steak, boneless, separable lean and fat, trimmed to 0" fat, all grades, cooked, grilled 5.03 mcg 100 grams Vitamin B-12 Ostrich, tenderloin, raw 5.02 mcg 100 grams Vitamin B-12 Beef, variety meats and by-products, spleen, cooked, braised 5.01 mcg 100 grams Vitamin B-12 Ostrich, round, raw 5.00 mcg 100 grams Vitamin B-12 Cereals ready-to-eat, GENERAL MILLS, Honey Nut CHEX 5.00 mcg 100 grams Vitamin B-12 Cereals ready-to-eat, GENERAL MILLS, Frosted CHEX 5.00 mcg 100 grams Vitamin B-12 Cereals ready-to-eat, GENERAL MILLS, COUNT CHOCULA