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are successful in this rebalancing act, but others aren’t.
Vitamins and minerals that must be ingested in proper balance are iron, zinc and copper. Recent research leaves hp doubt that pregnant women and lactating mothers require supplements of irpn and zinc.
Too miich iron, however, inhibits the body’s absorption of zinc, and toe much zinc, in turn, can antagonize the body’s copper.
Potassium and sodium also have to be kept balanced. Many adult Americans are apt to get more sodium than they need and less potassium. U.S. Department of Agriculture researchers recenlty found during a one-year study that blood pressure in men was lowest when their potassium intake was highest.
Self-administered overdosing with folic add, another supplement available at the vitamin counter, also can cause problems. Persons who take huge doses of folic add to cure a vitamin B12 associated anemia can cause real trouble for themselves.
There are several types of vitamin
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