Storage and distribution system for products in unit doses, including plurality of housing units, each including a plurality of locations for products in unit doses. The housing units are organised on a vertical plane to produce at least one portion of a picking wall, in which the locations for products in unit doses face selective picking members. A picking unit includes picking members oriented on the picking wall for picking products packaged in unit doses. A collecting unit, arranged on a second side of the picking unit, includes a rack having a plurality of pegs facing towards the first side of the picking unit. The pegs are reached by the picking members so as to pick therefrom or deposit thereon products packaged in unit doses. The plurality of pegs as a whole can collect a smaller number of unit dose products than those that can be stored in the automatic store.