["GNC Vitamin B-12 - 500 mcg: Carbohydrate Metabolism and Energy Support Vitamin B-12 is essential for carbohydrate metabolism & energy production and is required for red blood cell formation. GNCs Vitamin B-12 - 500 mcg is kosher and gluten free. Contains a 100-day supply of 100 vegetarian tablets" No artificial colors or flavors No preservatives wheat soy or dairy Sodium free]