What Is It?
Magnesium is the fourth most abundant mineral in the body and is essential to good health. Approximately 50% of total body magnesium is found in bone. The other half is found predominantly inside cells of body tissues and organs. Only 1% of it is found in blood, but the body works very hard to keep blood levels of this mineral constant. Dietary magnesium is absorbed in the small intestines, and is excreted through the kidneys.
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