[Problem to solve] To provide an excipient for compressed tablets capable of diluting active components in the industries of foodstuffs, medicines, etc. applicable to various tablets like disintegrating agents, troches, etc., largely avoiding the conventional compressing troubles about mannitol like capping, sticking, etc., thereby assuring a high tablet hardness. [Means to solve the problem] An excipient for compressed tablets characterized in that it comprises spherical particles of crystalline mannitol having an aspect ratio of 1.0 to 1.2 and according to Test A, absorption rate 1 of 25 to 60% and absorption rate 2 of 15 to 40%.
