Abstract: The invention concerns a mixture of inclusion complexes comprising or consisting of (1) at least two different cyclodextrins selected among alpha-, beta- and gamma cyclodextrin and/or derivatives thereof, in particular derivatives thereof modified by primary and/or secondary hydroxyl groups, and (2) at least one oleaginous substance, in particular selected among animal, vegetable or synthetic oils. The invention also concerns a composition comprising or consisting of such a mixture, the use of such a mixture for preparing a medicine and a method for preparing such inclusion complexes.