#$%^&*AU2016250329A120180308.pdf#####Abstract A method of producing a commercial natural milk product that has an increased level of protein and reduced level of lactose said process including the steps of: subjecting skim milk to an initial separation process that is designed to produce a high protein retentate stream and a low protein permeate stream subjecting the permeate of the said separation process directly to reverse osmosis filtration (RO) and directly combining the filtrate of the RO process and the retentate of said separation process in appropriate proportions, with or without other natural milk fractions, to produce a natural high protein, reduced lactose milk.