Vitamin B12 Deficiency: Causes, Symptoms, and Treatment

serving of cooked beef liver has 70.7 micrograms of vitamin B12. That’s 2,944% of your recommended daily allowance of B12! In general, organ meats, like kidneys or livers from animals, are very high in B12. If you don’t like organ meats, your next best bet is clams. Three ounces of cooked clams without shells provide 17 micrograms or 708% of your recommended continue reading …