MEGAFOOD VITAMIN D3 5000IU PROVIDES A BLEND OF VITAMINS D3, K AND K2 TO PROMOTE HEALTHY IMMUNE FUNCTION AND BONE HEALTH.* VITAMIN D3 CHOLECALCIFEROL IS THE MORE EASILY ABSORBED AND UTILIZED FORM OF VITAMIN D. PAIRED WITH K AND K2, IT SUPPORTS OPTIMAL CALCIUM ABSORPTION AND DISTRIBUTION TO HELP MAINTAIN STRONG BONES.*