This is the only daily formula to deliver the benefits of a high-quality multivitamin with powerful immune system support. It uses bioavailable nutrients your body can easily digest and absorb to balance your nutrition and support a healthy heart, brain, bones, nerves and eyes, including active, pre-converted forms of vitamin B12 and folic acid; buffered, non-acidic vitamin C, natural forms of vitamins D3 and E, and chelated iron that is gentle on your stomach and offers 3X the absorption compared to other forms.