No artificial flavors colors, or preservatives. 15 calories per 1-1/2 tsp. Gluten free. Contains a bioengineered food ingredient. Question Visit learnaboutmyfood. Since 1838. Makes 33 cups of stock. Knorr Concentrated Stock: Instantly create stocks with exceptional flavor, color, and aroma. Also perfect for soups, stews, slow cooker meals, and more! knorr. learnaboutmyfood. Scan code with your phone camera for recipes and more information. SmartLabel app enabled.