the impact of vitamin d on ovarian cancer has not been as well studied but it has been purported to have a protective effect. researchers at the channing laboratory (associated with harvard university) used data from four large studies to examine the effects of vitamin d on ovarian cancer. it was determined that blood levels of vitamin d did not directly impact cancer risk from any of the four genotypes. however a specific type of the vitamin d receptor gene was significantly tied to ovarian cancer risk.
how much of an impact does vitamin d have on ovarian cancer?