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my calcium pills contain oyster shells. Do they contain magnesium ?

2007-10-28 06:01:50 · 1 answers · asked by maxandmar100 1 in Science & Mathematics ➔ Botany

1 answers

The shell is composed mostly (approx. 95%) of a calcium compound. Mg is one of several elements found only in trace amounts ( less than 1%).

2007-10-28 14:53:02 · answer #1 · answered by ursaitaliano70 7 · 0⤊ 0⤋

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