please note: this item is currently out of stock until 8 march 2021. we are substituting with our sister br&. formulation is exactly the same., with d 3 1000iu (25µg) & k 2 90µg per capsule, most bioavailable d 3 form & natural mk-7 k 2, 1-2 capsules for flexible dosing, vitamin d 3, the natural partner to k 2 for more information, please read our vitamin d faq//b 111//class=f-brand!importantvitamin d contributes to the normal function of the immune system & the maintenance of normal bones, teeth & muscle function. vitamin k 2 helps the body properly utilise calcium by activating vitamin k-dependent proteins osteocalcin & matrix gla protein (mgp) located within the bone, heart & blood vessels); it also contributes to normal blood coagulation (blood clotting).this d 3/k 2 combination delivers a high concentration of these precious nutrients, suspended in sunflower oil & with the inclusion of rosemary extract & vitamin e to guarantee freshness.vitamin k 2 (menaquionine), exists in two forms as either synthetic mk-4 or natural mk-7. published studies indicate that for optimal vitamin k status, mk-7 is the preferred form. modern diets contain relatively little natural vitamin mk-7 & it’s estimated that as many as 98% of the population may have insufficient intakes of this essential nutrient.