Feed unit (1; 100) for articles, comprising: - a first feeding device (4; 104), - a second feeding device (6; 106) which is provided to individually pick up said articles from said first feeding device (4; 104), wherein said articles are picked up at a removal location at a predetermined time interval, - a synchronization device (5; 105) which is provided to receive said articles from said first feeding device (4; 104) and to move them into said removal location at an adjustable speed, said synchronization device (5; 105) comprising a pair of counter-rotating conveyor belts (10; 110) which face each other and between which said articles are retained individually when they are moved towards said removal location, and - a control system (13; 113) for the speed which is provided to adjust the speed of said synchronization device (5; 105) in such a manner that each article reaches said removal location at said time interval in order to be picked up by said second feeding device (6; 106), characterised in that: - the first feeding device (4; 104) comprises a guide inside which said articles are moved in rows one after the other towards said synchronization device (5; 105) by sliding, and - said second feeding device (6; 106) comprising at least one screw (15; 115A; 115B) which is provided to pick up one article at a time from said removal location and to move it at a predefined and controlled speed towards a release location. - a first feeding device (4; 104), - a second feeding device (6; 106) which is provided to individually pick up said articles from said first feeding device (4; 104), wherein said articles are picked up at a removal location at a predetermined time interval, - a synchronization device (5; 105) which is provided to receive said articles from said first feeding device (4; 104) and to move them into said removal location at an adjustable speed, said synchronization device (5; 105) comprising a pair of counter-rotating conveyor belts (10; 110) which face each other and between which said articles are retained individually when they are moved towards said removal location, and - a control system (13; 113) for the speed which is provided to adjust the speed of said synchronization device (5; 105) in such a manner that each article reaches said removal location at said time interval in order to be picked up by said second feeding device (6; 106), characterised in that: - the first feeding device (4; 104) comprises a guide inside which said articles are moved in rows one after the other towards said synchronization device (5; 105) by sliding, and - said second feeding device (6; 106) comprising at least one screw (15; 115A; 115B) which is provided to pick up one article at a time from said removal location and to move it at a predefined and controlled speed towards a release location. - the first feeding device (4; 104) comprises a guide inside which said articles are moved in rows one after the other towards said synchronization device (5; 105) by sliding, and - said second feeding device (6; 106) comprising at least one screw (15; 115A; 115B) which is provided to pick up one article at a time from said removal location and to move it at a predefined and controlled speed towards a release location.