All: The perfect combination of vitamins and supplements to ensure a you feel great. B1: Many patients require higher doses of Vitamin B1 specifically, supports overall nervous system function, also promotes increased energy and lowered stress levels. Biotin: Fast-dissolving, great-tasting bariatric Biotin! Supports skin health and normal cell growth. Promotes strong nails and healthy, smooth hair. Multivitamin with Iron: Bariatric Multivitamin with Iron has a complete blend of essential nutrients specifically designed to meet the unique vitamin and mineral needs post weight-loss surgeries. Contains: Multivitamin with Iron, Biotin, AND Vitamin B1.