This Calcium Magnesium and Vitamin D3 book is the latest information on calcium, magnesium, and vitamin D3. A chapter has been included that shows you how to test your saliva pH. Calcium and Magnesium are key minerals that make your body alkaline and by testing your saliva you can check to see if you have an acid body. Taking calcium and magnesium requires that you also take vitamin D3. Without vitamin D3 you can't absorb much calcium and without...