These vitamin B and C are to build up your resistance.

这些维生素B和C用于增强你的抵抗力。

youdao

One cup of kale (boiled, but not overcooked) gives you double the DV for vitamin A. You'll also get some vitamin C, a small amount of B vitamins and a generous amount of calcium.

一杯甘蓝（煮的，但不要煮过头）能带给您一天所需维生素A量的两倍。 您还能获得一些维生素C 和小部分的维生素B，以及大量的钙元素。

youdao

One cup of kale (boiled, but not overcooked) gives you double the DV for vitamin A. You\\\'ll also get some vitamin C, a small amount of B vitamins and a generous amount of calcium.

一杯羽衣甘蓝（煮沸，不过不是煮得过久的）给与你50%的每天供给量的维生素A。 你也会得到一些维生素C，一些数量的维生素B和丰富的钙。

youdao

So a good multivitamin or a vitamin C or B-complex could help.

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Recent research has suggested that vitamin C, vitamin B-6 and vitamin B-12 don't deliver all of their purported health benefits.

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