Value Per Nutrient Food 5.75 mcg 100 grams Vitamin B-12 Beef, chuck, shoulder clod, top blade, steak, separable lean and fat, trimmed to 0" fat, choice, cooked, grilled 5.74 mcg 100 grams Vitamin B-12 Ostrich, ground, cooked, pan-broiled 5.71 mcg 100 grams Vitamin B-12 Beef, chuck, shoulder clod, shoulder top and center steaks, separable lean and fat, trimmed to 0" fat, select, cooked, grilled 5.70 mcg 100 grams Vitamin B-12 Cereals ready-to-eat, KELLOGG'S, Reduced Sugar Frosted Flakes Cereal 5.70 mcg 100 grams Vitamin B-12 Cereals ready-to-eat, GENERAL MILLS, KIX 5.68 mcg 100 grams Vitamin B-12 Beef, variety meats and by-products, spleen, raw 5.67 mcg 100 grams Vitamin B-12 Fish, salmon, sockeye, cooked, dry heat 5.60 mcg 100 grams Vitamin B-12 Cereals ready-to-eat, KELLOGG, KELLOGG'S Honey SMACKS