Natren Life Start Dairy 2.5 Oz Designed specifically for infants, Life Start contains Bifidobacterium infantis,the most beneficial bacteria prominent in healthy infants. Providing 1 billion colony forming units (cfu) of Bifidobacterium infantis, NLS super strain per serving, Life Start encourages healthier weight gain through nitrogen retention. This is particularly important for formula-fed infants and for infants delivered by cesarean section (who do not have the benefit of acquiring beneficial bacteria as they pass through the birth canal). Pregnant women and nursing mothers may take Life Start to give their baby the best start possible. Life Start optimizes the health of infants as well as expectant and nursing mothers. Life Start works throughout your baby's digestive system: Daily supplementation helps develop healthy bodies. Produces natural lactic, acetic and formic acids, to help promote a healthy digestive environment. Increases nutritional value by producing essential B vitamins. Stimulates optimal immune function in newborns. Assists absorption of calcium, vitamins and other nutrients. Even breast-fed babies need the advantages of Life Start to optimize health. Potency guaranteed through printed expiration date. Researched, formulated and manufactured only by Natren. Consult with your medical practitioner before using Life Start