这四种维生素在辅酶中起作用。

These four vitamins act in coenzymes.

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但是，尽管大多数人能获得足够的热量，他们仍然有很大的饮食不良，尤其是在四种营养素方面：铁，锌，碘和维生素a。

But although most people get enough calories, they still suffer huge deficiencies, especially in four nutrients: iron, zinc, iodine and vitamin a.

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有四种形式的多种维生素，你可以买到：胶囊片剂软及液体。

There are four forms of multi vitamins you can buy: capsule tablet softgel and liquid.

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