A support group (1; 50) of products distributable by means of vending machines comprising a shaped body (2; 51) suitable to be coupled with transport means (6; 75) belonging to the vending machine, the shake body (2; 51) defining an inner seat (3; 52) which receives the product to be supplied and comprising a base plate (4; 53), suitable to be coupled to transport means (6; 75), and a boundary bulkhead (5; 54) removably coupled with the base plate (4; 53) in order to define a plurality of positions of the boundary bulkhead (5; 54) on the base plate (4; 53) varying the dimensions of the inner seat (3; 52) as the type of product to be supplied varies.