一般的に知られていること

Calcium is the most abundant mineral in the body; it is stored in bones and teeth, which it helps build and maintain, and it also supports normal muscle and nerve function.

摂取が少ないとき

Low calcium intake over time is commonly discussed in relation to weaker, more fragile bones.

摂取が多いとき

Very high calcium from supplements is commonly discussed in relation to constipation and kidney stones; the commonly cited upper intake level for adults 19–50 is 2,500 mg a day.