In a device for supplying elongated, at least approximately hollow cylindrical, product units, preferably tubes, cartridges or cans, to packaging units, the device comprises means to distribute a continuous stream of product units to two packaging units that operate in parallel. In a method for supplying elongated, at least approximately hollow cylindrical, product units, preferably tubes, cartridges or cans to packaging units, a continuous stream of product units is distributed, by means of a distribution device, to two packaging units that operate in parallel.