The present invention relates to a composition for use in formulae for infants or young children comprising partially hydrolysed protein, ionic calcium and an oil mix comprising palmitic acid esterified to triacylglycerols wherein the palmitic acids esterified in the sn-2 position of triacylglycerols in an amount of at least 20% by weight of total palmitic acid. Furthermore, the invention relates to an infant formula comprising said composition and the use of said composition or infant formula.