Value Per Nutrient Food 98.89 mcg 100 grams Vitamin B-12 Mollusks, clam, mixed species, cooked, moist heat 90.05 mcg 100 grams Vitamin B-12 Lamb, variety meats and by-products, liver, raw 85.70 mcg 100 grams Vitamin B-12 Lamb, variety meats and by-products, liver, cooked, pan-fried 84.60 mcg 100 grams Vitamin B-12 Veal, variety meats and by-products, liver, cooked, braised 83.13 mcg 100 grams Vitamin B-12 Beef, variety meats and by-products, liver, cooked, pan-fried 78.90 mcg 100 grams Vitamin B-12 Lamb, variety meats and by-products, kidneys, cooked, braised 76.50 mcg 100 grams Vitamin B-12 Lamb, variety meats and by-products, liver, cooked, braised 72.50 mcg 100 grams Vitamin B-12 Veal, variety meats and by-products, liver, cooked, pan-fried