Why does Nutrilite combine calcium with magnesium in Cal Mag D?

为什么在新钙镁D片要把镁元素和钙元素结合在一起？

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Why does Nutrilite combine calcium with magnesium in Cal Mag D?

为什么在新钙镁D片要把镁元素和钙元素结合在一起？

youdao