A feeding assembly to fill capsules with granules, in particular microgranules, has a filling drum, which is provided with a plurality of fillers, each defined by a respective suction pipe, which can be connected to a pneumatic sucking device and has a lower end to pick up/release the granules the lower end of each suction pipe being closed by a closing element provided with a plurality of openings, each designed so as to prevent the granules from getting into the suction pipe.
