Vegans can get vitamin B-12 from some enriched cereals, fortified soy products or by taking a supplement that contains this vitamin.

严格的素食主义者可从精加工的谷物，强化豆制品或含有维生素b - 12的营养补品中获得。

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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。

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Folate, and the related folic acid or vitamin B9, is part of the vitamin B-complex family, which as a whole has cancer-preventive properties.

叶酸和相关的维生素b或维生素b9是维生素b复合家族的组成部分，作为整体，它有预防癌症的功能。

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Several years later, researchers discovered the exact cause of pellagra: a lack of the B vitamin known as niacin.

VOA: special.2009.01.27

Vitamin B-twelve is needed so folic acid can do its work.

VOA: special.2009.04.21

Some older adults,for example, may not have enough vitamin B-twelve.

VOA: special.2009.04.21

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

WSJ: Vitamin D and Calcium Supplements May Not Stop Fractures

Vitamin B-12 deficiency can result from a diet lacking in vitamin B-12, which is found mainly in meat, eggs and milk.

CNN: Vitamin deficiency anemia

Vitamin B-12 deficiency anemia can also occur if your small intestine can't absorb vitamin B-12.

CNN: Vitamin deficiency anemia