We need B vitamins for healthy nerves and brain cells, and feelings of anxiety may be rooted in a B vitamin deficiency.

我们要想维持健康的神经和脑细胞就需要B族维生素，而焦虑的感觉可能是源于B族维生素的缺乏。

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Most patients are deficient in E. Activated vitamin B-6 is recommended to treat the B-6 deficiency in the brain which is evident in many patients.

大多数患者缺乏e。活性维生素b - 6是建议治疗这是显而易见的，在许多患者的大脑中的B - 6缺乏。

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We need B vitamins for healthy nerves and brain cells, and feelings of anxiety may be rooted in a B vitamin deficiency.

硭我们要想维持健康的神经和脑细胞就需要B族维生素，而焦虑的感觉可能是源于B族维生素的缺乏。

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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