A method for processing milk, comprising the steps of: providing skim milk; separating the skim milk to provide two or more fractions; providing a part or all of the two or more fractions into at least two compositions; subjecting the at least two compositions to at least one microbial load reduction treatment, wherein the at least one microbial load reduction treatment is different for each composition, is disclosed. Also, a method for producing a milk product, wherein the milk product is composed at least from the two differently treated compositions is disclosed.