NUTRITIONAL VALUE OF LIVER: THE LIVER CONTAINS ALL 13 VITAMINS REQUIRED FOR HUMANS SUCH AS VITAMIN A, VITAMIN D, VITAMIN B2, VITAMIN B12, ABUNDANT PROTEINS AND TRACE ELEMENTS SUCH AS IRON, ZINC, COPPER AND MANGANESE. BOAR LIVER EFFICACY: 1, IRON SUPPLEMENTATION TO TREAT IRON DEFICIENCY ANAEMIA; 2, EYE DISEASES SUCH AS NIGHT BLINDNESS, DRY EYE DISEASE, CORNEAL SOFTENING; AND 3, MOST VITAMIN OR MICRONUTRIENT DEFICIENCY DISEASES。