The present invention relates to improvements in the preparation of beverage and food products and, in particular, to an improved composition for preparing beverage and food products in machines. The composition is 10 prepared by the addition of a liquid to said composition and comprises one or more beverage or food ingredients and at least one preparation aid. The preparation aid comprises a plurality of bodies formed from a substantially insoluble material and the preparation aid is selected to have a 15 predetermined effect on the interaction between the liquid and the composition. The bodies have a diameter in the range of 0.1 mm to 200 mm, and preferably in the range of 1 to 20 mm or in the range of 100 to 200 mm.
