THIS INVENTION RELATES TO COMPOSITIONS FOR REDUCING THE ABSORPTION OR BIOAVAILABILITY OF LIPIDS IN THE GASTROINTESTINAL TRACT, AND TO METHODS FOR THE PREPARATION AND USE OF THESE COMPOSITIONS. THE COMPOSITIONS COMPRISE A SOURCE OF DIETARY FIBRE TOGETHER WITH A CYCLODEXTRIN. THE COMPOSITIONS OF THE INVENTION ARE SUITABLE FOR USE IN THE PREVENTION AND TREATMENT OF OBESITY OR HYPERLIPIDEMIA.