If you are already taking calcium from consumption of dairy food, it should be enough. Overdose will not be a good thing. Nevertheless, here are some of the sources of calcium ; seaweeds such as kelp, wakame and hijiki; nuts and seeds (like almonds and sesame); blackstrap molasses; beans; oranges; amaranth; collard greens; okra; rutabaga; broccoli; dandelion leaves; kale; and fortified products such as orange juice and soy milk. An overlooked source of calcium is eggshell. (http://en.wikipedia.org/wiki/Calcium#Nutrition)

Some sources of Vitamin K are, Brasicca vegetables, such as cabbage, cauliflower, kale, broccoli. Other than that you can get your vitamin K from Brussels Sprouts, fruits such as kiwi,bananas and dairy products too. Olive oil too contain a large amount of Vitamin K.

And as for Vitamin D, try to expose yourself to sunlight at most 20 min to an hour a day.. Don’t go sunbathing. One of the best natural sources for Vitamin D is cod-liver oil.