Value Per Nutrient Food 5.36 mcg 100 grams Vitamin B-12, added Cereals ready-to-eat, GENERAL MILLS, FROSTED CHEERIOS 5.36 mcg 100 grams Vitamin B-12, added Cereals ready-to-eat, GENERAL MILLS, HONEY NUT CHEERIOS 5.30 mcg 100 grams Vitamin B-12, added Cereals ready-to-eat, Ralston TASTEEOS 5.29 mcg 100 grams Vitamin B-12, added Cereals ready-to-eat, frosted oat cereal with marshmallows 5.29 mcg 100 grams Vitamin B-12, added Cereals ready-to-eat, chocolate-flavored frosted puffed corn 5.25 mcg 100 grams Vitamin B-12, added Cereals ready-to-eat, GENERAL MILLS, CINNAMON TOAST CRUNCH 5.20 mcg 100 grams Vitamin B-12, added Cereals ready-to-eat, KELLOGG'S, FRUIT HARVEST Strawberry/Blueberry 5.18 mcg 100 grams Vitamin B-12, added Cereals ready to eat, composite character cereals (movies, TV), brand A