Value Per Nutrient Food 2.25 mcg 100 grams Vitamin B-12 Beef, brisket, whole, separable lean and fat, trimmed to 1/8" fat, all grades, raw 2.25 mcg 100 grams Vitamin B-12 Beef, chuck, arm pot roast, separable lean only, trimmed to 0" fat, select, cooked, braised 2.24 mcg 100 grams Vitamin B-12 Beef, brisket, point half, separable lean and fat, trimmed to 1/8" fat, all grades, raw 2.24 mcg 100 grams Vitamin B-12 Emu, full rump, raw 2.24 mcg 100 grams Vitamin B-12 Beef, brisket, flat half, separable lean only, trimmed to 1/8" fat, select, cooked, braised 2.24 mcg 100 grams Vitamin B-12 Beef, ground, 95% lean meat / 5% fat, raw 2.23 mcg 100 grams Vitamin B-12 Fish, catfish, channel, wild, raw 2.23 mcg 100 grams Vitamin B-12 Lamb, domestic, rib, separable lean and fat, trimmed to 1/4" fat, choice, cooked, roasted