The Big One® is designed for those who prefer a convenient, one-per-day multivitamin/mineral. One single capsule is packed with key nutrients at optimal levels, providing a solid framework for further individualized supplementation.* The Big One® delivers activated B vitamins and trace minerals as well as foundational amounts of antioxidants, including beta carotene and tocopherols. The Big One® with Iron provides iron as ferrous bisglycinate, a well-tolerated, bioavailable form.