Insert a Blank Row After Every Change of Product

=LET(
  TableRws, SEQUENCE(ROWS(Table)),
  NewProd,  IF(Table[Product] <> INDEX(Table[#All],TableRws,1), SEQUENCE(ROWS(Table),,0)),
  Order,    SORT( VSTACK(TableRws, FILTER(NewProd,NewProd)+0.1) ),
  VSTACK(Table[#Headers], IF(MOD(Order,1),"",CHOOSEROWS(Table,Order)))
)