bariatric advantage - ultra solo once-per-day multivitamin capsule for bariatric surgery patients, without iron, 30ct bariatric advantage now available from bariatric advantage – ultra solo. our new once-per-day multivitamin is specifically formulated to help meet gastric sleeve and bypass patients’ vitamin and mineral needs. ultra solo has the highest amount of thiamin in a bariatric specialty once-per-day multivitamin.* designed especially for bariatric patients and formulated with bioavailability in mind. available with or without iron in chlorophyllin-colored capsules of vegetarian origin. each capsule contains: 25 mg thiamin 45 mg iron (from iron fumarate; with iron option only) 3,000 iu vitamin d (from cholecalciferol) 500 mcg vitamin b12 (from methylcobalamin) (complete supplement facts listed below) *based on 1/1/19 web review of major bariatric specialty nutritional product companies in the u.s.