According to Food Standards Australia New Zealand (FSANZ), on January 19, 2023, FSANZ issued notice No. 226-23, of which application No. A1265 was for approval of the voluntary use of four human milk oligosaccharide ingredients as nutrients, alone or in combination, in infant formula.

It is understood that these four components are 2'-fucosyllactose/difucosyllactose (2'-FL/DFL) mixture, lactose-N-tetraose, 6'-sialyllactose sodium salt and 3'- Sialyllactose sodium salt is produced by microbial fermentation.