The bottom line in this country, is that most doctors are woefully under informed on how to use nutrients to 1) replace those lost from some drug therapies, and 2) to prevent disease.

A prime example is osteoporosis which doctors treat with bisphosphonates (and all their now known toxicities) instead of adequate Vit D3 (real name is cholecalciferol) replacement.

It is becoming possible now to normalize absorption of calcium from the GI tract from food, so that none need be supplemented at all, (or a very small amount).

In fact, many doctors still think Vit D is a vitamin. And it is not.

So if you ask your doctor, it would be wise to have an informed answer of your own ready, so you can compare, the two.

Do this test..... ask your doctor what the elemental values for his recommendations are. Most doctors (as well as lay persons) do not know the difference. Ask him how much elemental calcium is in 600mg of calcium carbonate, and how much is really absorbed. ( I gave these figures above).

That is the primary reason I come here, free of charge on my own time, to help educate people so they will get the most useful results for their problems (and avoid toxicities).