Where is the vast majority of the body's magnesium stored?
Answer
In soft tissues and bones
The body maintains a vast reservoir of magnesium, dedicating approximately 99% of its total stores to soft tissues and bones. This structural storage mechanism means that only about 1% of the body's magnesium circulates in the blood serum. Consequently, assessing magnesium status solely by measuring blood levels can be misleading because the small circulating amount may appear adequate even if the larger tissue stores are depleted. This high concentration in bone and soft tissue highlights magnesium's foundational role in long-term structural integrity and overall physiological regulation.

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