Aptamil® First Infant Milk – from the #1 formula brand in Europe* – is an easy to digest, nutritionally complete formula. Inspired by 50 years of breast milk research, Aptamil® First features prebiotics GOS/FOS that feeds the good bacteria in the gut and promotes softer and regular stools that are closer to that of breastfed infants, DHA to help support brain & eye development, HMO 3’GL**, and key vitamins & minerals found in breast milk – including Vitamin D to help support the immune system.