 An ad for Formulac infant formula appeared in the "Journal of the Indiana State Medical Association" in 1947.Developed by McCollum and marketed by Kraft Foods, Inc., the formula of concentrated milk contained all known vitamins necessary for "proper infant nutrition".McCollum wanted milk to be fortified with vitamin D. Today, the National Dairy Council's website welcomes researchers, saying that it was McCollum "who first made the scientific connection between dairy foods and good health".