Vitamin B2 (Riboflavin) Is Part Of The Group Of Essential Nutrients Known As The B-Complex. B-Complex Vitamins, Including Vitamin B2, Work To Support Energy Metabolism In The Body.* Vitamin B2 Is Necessary For Normal Cell Function And Supports Nervous System Health.* It Helps The Body Convert Carbohydrates, Fats And Proteins Into Energy And Supports The Body During The Occasional Stress Of Daily Living.* This Formulation Offers Essential B2 In A Convenient Vegetarian Dosage Form.