Bio-Kult Infantis is an advanced multi-strain formula for infants with Omega 3 & Vitamin D3.7 strains of live bacteria High in Omega 3 Vitamin D3 (natural source of Vitamin D) to contribute to the normal function of the immune system Preplex (FOS & gum acacia) Bio-Kult Infantis does not need to be refrigerated & is suitable to be taken by babies, toddlers & young children, alongside antibiotics, when travelling & as part of a healthy diet. The formula comes in easy to use sachets.