Value Per Nutrient Food 1.25 mcg 100 grams Vitamin B-12 Fish, yellowtail, mixed species, cooked, dry heat 1.25 mcg 100 grams Vitamin B-12 Crustaceans, lobster, northern, raw 1.25 mcg 100 grams Vitamin B-12 Beef, round, tip round, roast, separable lean only, trimmed to 0" fat, select, raw 1.25 mcg 100 grams Vitamin B-12 Fast foods, cheeseburger; single, large patty; with condiments and bacon 1.24 mcg 100 grams Vitamin B-12 Beef, short loin, top loin, steak, separable lean only, trimmed to 1/8" fat, choice, raw 1.24 mcg 100 grams Vitamin B-12 Veal, leg (top round), separable lean and fat, cooked, pan-fried, breaded 1.24 mcg 100 grams Vitamin B-12 Beef, round, tip round, roast, separable lean and fat, trimmed to 0" fat, select, raw 1.24 mcg 100 grams Vitamin B-12 Veal, loin, separable lean and fat, cooked, roasted