Science-Based Nutrition Iron Free Vitashine D3 Optimized Vitamin-Mineral Complex Dietary Supplement Vegan Non-GMO Gluten Free Doctor's Best Multiple-Vitamin provides an iron free, full spectrum of vitamins and minerals essential for human health. The National Health and Nutrition Examination Survey (NHANES, 1996-2016) has shown that nearly all of us have diets deficient in one or more of these nutrients. Doctor's Best Multi-Vitamin has been formulated to deliver optimum nutritional benefits. Full range of vitamins and minerals in the most biochemical active form Formulated for optimum absorption and utilization Iron-free