Value Per Nutrient Food 52.41 mcg 100 grams Vitamin B-12 Lamb, variety meats and by-products, kidneys, raw 49.40 mcg 100 grams Vitamin B-12 Turkey, liver, all classes, raw 40.27 mcg 100 grams Vitamin B-12 Mollusks, clam, mixed species, cooked, breaded and fried 36.90 mcg 100 grams Vitamin B-12 Veal, variety meats and by-products, kidneys, cooked, braised 36.00 mcg 100 grams Vitamin B-12 Mollusks, octopus, common, cooked, moist heat 33.25 mcg 100 grams Vitamin B-12 Turkey, all classes, giblets, cooked, simmered, some giblet fat 28.80 mcg 100 grams Vitamin B-12 Mollusks, oyster, Pacific, cooked, moist heat 28.60 mcg 100 grams Vitamin B-12 Fish, salmon, chum, dried (Alaska Native)