NAN OPTIPRO 3 is a growing up milk designed for toddlers from 1 to 3 years of age. OPTIPRO is an optimized protein blend that supplies the right amount and quality of proteins needed for your baby’s growth. NAN3 is now launching the upgraded recipe with the addition of HMOs, Human Milk Oligosaccharides, previously only found in breastmilk. HMOs play a crucial part in supporting the evolving immune system in the infants.