Aptamil Lactose Free is a formula for special medical purpose designed for infants that have lactose intolerance or diarrhoea. Aptamil LF is free of lactose, the type of sugar responsible for causing intolerance in some infants. Lactose intolerance usually accompanies diarrhea. If you are unable to breastfeed, consult your doctor to use Aptamil LF during that phase for the fast recovery of your infant. Aptamil Lactose Free contains all of the nutrients needed for the normal growth and development of your infant.