A fermented infant formula or follow on formula for promoting a growth trajectory more similar to the growth trajectory in breast-fed infants. A fermented infant formula or follow on formula for i) promoting a balanced growth trajectory or body development in an infant and/or ii) preventing or reducing the risk of an unbalanced growth trajectory or body development in an infant. Saud formula comprises 3 to 7 g lipid/100 kcal, 1.25 to 5 g protein/100 kcal and 6 to 18 g digestible carbohydrate/100 kcal and wherein the nutritional composition comprises an ingredient fermented by lactic acid producing bacteria, and 0.05 to 1.5 wt % lactic acid based on dry weight.
