Aptamil Prematil 400 GrAptamil Prematil is a clinically proven, nutrient enriched special formula designed specifically for premature and low birth weight infants after hospital discharge or when breastfeeding is not possible. Higher in energy, protein, essential fatty acids (DHA ARA), vitamins and minerals than standard formulas it supports rapid catch up growth, brain development and strong immunity while being gentle on immature digestive systems. Always used under