Dietary Supplement. Complete Multivitamin based on Dr. Weil's integrative approach. Why should I take a multivitamin? To fill in the nutritional gaps in your daily diet. The Daily Multivitamin Formula provides a full complement of vitamins and trace minerals necessary to support daily metabolic processes. This scientifically derived formula includes flavonoids, B vitamins including folic acid, choline and inositol, and several important minerals. The Weil exclusive formula includes most of the key nutrients your body needs to support optimum health.