This Vegetarian Support Formula is a vegan staple. Great for giving a tasty "cheesy" flavor to foods while providing a rich source of B vitamins. Kosher. Ingredients: Inactive dry yeast, niacin (B3), thiamin hydrochloride (B1), riboflavin (B2), pyridoxine hydrochloride (B6), Vitamin B12. Labeled as being processed in a facility that processes soy, wheat, milk, and egg.