Dukan Diet Multivitamin is an effective and balanced multivitamin for those requiring extra nutrients while dieting. It has been formulated with a full spectrum B-complex with the active form of Vitamin B12 (Methylcobalamin) to support stamina and energy in dieters. It also contains the antioxidant Grape Seed Extract to support cardiovascular health, Vitamin D3 to support strong muscles and bones, and biotin to support healthy hair, skin, nails and blood sugar levels already within the normal range. The Dukan Diet Multivitamin is a comprehensive formula for attaining a healthy body and weight.