Our expert team at SMA® nutrition is dedicated to understanding the complex structure of breast milk and applying the learning from nature to our own products. With over 70 years breast milk research and have now produced SMA® Pro Growing up Milk. Children need vitamin D to help support normal function of the immune system and for the normal growth and development of bones. In the UK and Ireland with low levels of sunshine, it is important that children get vitamin D in their diets and SMA® Pro Growing up Milk is one way to support children get the vitamin D they need.