A chicken liver provides a healthy dose of iron and zinc. Iron enables your body to use oxygen efficiently and to make new red blood cells. This mineral also plays a role in cell division and the health of your immune system. An iron deficiency can cause fatigue, decreased oxygen and a weakened immune system. Zinc plays a role in wound healing, immune system function and cell division.
Chicken liver is a nutritious source of B12 vitamins. You need vitamin B12 for the healthy function of your brain and nervous system and to replenish your blood supply. The chicken liver contains vitamin A, the nutrient that is essential for the health of your eyes and white blood cells.