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Calcium is a mineral that is needed for many functions of the body, especially bone
formation and maintenance. Calcium can also bind to other minerals such as phosphate, and aid
in their removal from the body.
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Doxercalciferol is a synthetic (man-made) form of vitamin D. Vitamin D is important for
the absorption of calcium from the stomach and for the functioning of calcium in the body.
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Epoetin alfa is a man-made form of a protein that helps your body produce red blood
cells. The amount of this protein in your body may be reduced when you have kidney failure or
use certain medications. When fewer red blood cells are produced, you can develop a condition
called anemia.
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Ferrous sulfate is a type of iron. You normally get iron from the foods you eat. In your
body, iron becomes a part of your hemoglobin (HEEM o glo bin) and myoglobin (MY o glo bin).
Hemoglobin carries oxygen through your blood to tissues and organs. Myoglobin helps your
muscle cells store oxygen.
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Sevelamer is a phosphate binder. Sevelamer helps prevent hypocalcemia (low levels of
calcium in the body) caused by elevated phosphorus.
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