Value Per Nutrient Food 3.34 mcg 100 grams Vitamin B-12 Beef, shoulder pot roast, boneless, separable lean and fat, trimmed to 0" fat, choice, cooked, braised 3.33 mcg 100 grams Vitamin B-12 Crustaceans, crab, blue, canned 3.33 mcg 100 grams Vitamin B-12 Crustaceans, crab, blue, cooked, moist heat 3.33 mcg 100 grams Vitamin B-12 Veal, variety meats and by-products, thymus, raw 3.33 mcg 100 grams Vitamin B-12 Beef, shank crosscuts, separable lean only, trimmed to 1/4" fat, choice, raw 3.32 mcg 100 grams Vitamin B-12 Beef, rib, small end (ribs 10-12), separable lean only, trimmed to 0" fat, select, cooked, broiled 3.32 mcg 100 grams Vitamin B-12 Beef, rib, small end (ribs 10-12), separable lean only, trimmed to 0" fat, choice, cooked, broiled 3.32 mcg 100 grams Vitamin B-12 Beef, chuck, short ribs, boneless, separable lean only, trimmed to 0" fat, choice, raw