NOW improved. Knorr Beef Stock Cubes are made with carefully selected herbs and spices to enhance the natural flavour of your fresh ingredients. They are the secret seasoning that Michelin starred chef Marco Pierre White uses in his kitchen.No artificial preservatives. No artificial flavour enhancers*. *No added MSG. Knorr stock cubes are also: Free from artificial colours. Suitable for Gluten free diet. Suitable for Lactose free diet. Each 100ml of made up stock contains, Calories 7 <1%, Sugars 0.1g <1%, Fat 0.5g <1%, Saturates 0.3g 2%, Salt 0.97g 16%, of an Adult's Guideline Daily Amount.