Value Per Nutrient Food 2.59 mcg 100 grams Vitamin B-12 Beef, variety meats and by-products, lungs, cooked, braised 2.59 mcg 100 grams Vitamin B-12 Beef, chuck, arm pot roast, separable lean only, trimmed to 0" fat, choice, cooked, braised 2.59 mcg 100 grams Vitamin B-12 Whale, beluga, meat, raw (Alaska Native) 2.59 mcg 100 grams Vitamin B-12 Lamb, domestic, shoulder, blade, separable lean and fat, trimmed to 1/4" fat, choice, raw 2.58 mcg 100 grams Vitamin B-12 Beef, brisket, point half, separable lean only, trimmed to 0" fat, all grades, cooked, braised 2.58 mcg 100 grams Vitamin B-12 Lamb, domestic, shoulder, arm, separable lean and fat, trimmed to 1/4" fat, choice, cooked, braised 2.58 mcg 100 grams Vitamin B-12 Lamb, domestic, leg, sirloin half, separable lean only, trimmed to 1/4" fat, choice, cooked, roasted 2.58 mcg 100 grams Vitamin B-12 Beef, rib, whole (ribs 6-12), separable lean and fat, trimmed to 1/8" fat, select, cooked, roasted