The invention features a powdered composition including a pharmaceutically active compound and a protein or a hydrolyzed protein. In particular, the powdered composition forms a stable solution or dispersion suitable for oral administration in which the protein or the hydrolyzed protein is bound to the pharmaceutically active compound. The invention also provides a method of administering the composition, such as to a patient with dysphasia; liquid or semi-solid formulations of the composition; methods for preparing the composition; and kits including the composition.