SMA extra hungry infant milk is for hungrier babies and may help delay weaning until the recommended time. Can also be used to combination feed with breast milk. We all know breast milk is best for babies, but for many different reasons it’s not always possible for all mums to breastfeed. SMA extra hungry infant milk benefits from over 90 years of experience in advancing baby nutrition. It is nutritionally complete and specifically made for hungrier bottle fed babies. A baby’s digestive system is immature and may not be developed enough to manage solid foods before 6 months of age. The department of health recommends that 6 months is the appropriate age for weaning.