A supply station of articles to a plurality of channels opening above a continuous blister strip, of a type comprising supply organs for containing the articles and for dispensing the articles towards conveying means located downstream, which conveying means select and direct the articles in an ordered fashion in an advancement direction towards mouths afforded in the plurality of channels; collection and transfer means, functionally associated to the mouths and receiving and collecting excess articles which accumulate at the mouths, and transferring the excess articles upstream of the mouths, in proximity of a predetermined first zone of the conveying means. In particular the station comprises: directing organs interposed between the supply organs and the conveying organs to release the articles on the conveying organs, in proximity of the first zone; detecting and control organs for detecting a presence or absence of articles and/or excess articles on at least a second zone of the conveying means adjacent to the first zone and for at least temporarily inhibiting the directing organs with a consequent at least temporary interruption of release of the articles by the directing organs in relation to a quantity of articles and/or excess articles present in the second zone, in order to prevent an excess of the articles on the conveying means.