Since 1947 Energy Metabolism Cardiovascular Support Nervous System Support Non-GMO Halal Gluten, Wheat & Dairy Free Suitable for Vegans Certified Gluten-Free Kosher Parve Dietary Supplement Solgar's KOF-K certification #K-1250Each required nutrient in the Vitamin B Complex performs a unique role in maintaining proper metabolic functioning, while nutritionally supporting the body during the occasional stress of daily living. B Complex vitamins are needed for the metabolism of carbohydrates, fats and proteins, which convert food into energy. In addition, these vitamins play a necessary role in supporting cardiovascular health, the promotion of a healthy nervous system, and support for red blood cell formation.