Calcium: is a principle component of the bones and teeth with 99% of the body’s calcium found in these structures. The other 1% is very important to processes like blood clotting, nerve and muscle function, and various enzyme activities. Increases are seen in disorders involving the parathyroid and thyroid glands, excess intake of vitamin D, and in conditions related to too much acid in the body. Decreases are seen in parathyroid dysfunction, vitamin D deficiency, magnesium/mineral deficiency and numerous other conditions.