Something Interesting about Broccoli & Vitamin D:Broccoli may help us solve our vitamin D deficiency epidemic. When large supplemental doses of vitamin D are needed to offset deficiency, ample supplies of vitamin K and vitamin A help keep o...ur vitamin D metabolism in balance. Broccoli has an unusually strong combination of both vitamin A and vitamin K. For people faced with the need to rebuild vitamin D stores through vitamin D supplements, broccoli may be an ideal food to include in the diet!!