E1: A soft gelatine capsule consisting of a shell enclosing a filling material. The shell contains a cyclodextrin which is maintained separated from the active ingredient in the filling materia. The shell of the capsule is prepared from a mix containing, by weight:
from 0.7 to 20% of hydroxypropyl-β-cyclodextrin or β-cyclodextrin,
from 20 to 50% by weight of gelatine,
from 1 to 25% by weight of a plasticizer,
from 20 to 50% by weight of water.

E2: The filling material consists of a solution of a poorly water-soluble or water-insoluble active ingredient in an oily solvent/phase.
E3: The active ingredient is selected from the group consisting of progesterone ranging from 10 to 200 mg, liposoluble vitamins as single vitamins or in mixture with other vitamins ranging from 0.001 to 20 mg, and acetylsalicylic acid ranging from 50 to 300 mg.