The invention provides a pourable solid composition comprising water-solubledietary fiber and calcium lactogluconate, wherein said fiber is selected fromthe group consisting of partially hydrolyzed guar gum and a soluble dextrinpreparedfrom wheat or maize starch, and wherein said calcium lactogluconate has acalciumcontent of higher than 10 weight %. The composition may be used as a dietarysupplement providing dietary fiber and calcium.