swanson active one multivitamin without iron 90 capsules swanson swanson active one multivitamin is designed specifically for people who lead a busy and active lifestyle. this unique, iron-free formula delivers 19 essential vitamins and minerals, including b-complex vitamins and chromium picolinate for energy enhancement, and high-potency levels of vitamins c and e, beta-carotene and zinc for powerful antioxidant protection.