The B-vitamin niacin may raise HDL levels 15 to 35%.

族维生素烟酸可进步高密度脂蛋白程度15至35%。

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A number of studies have tried and failed to find a benefit, like a recent one that randomly assigned 5, 442 women to take either a placebo or a B-vitamin combo.

大量的试验试图表明它的好处，但都失败了，就像最近的一次研究，5,442名妇女被随机分配服用安慰剂或是维生素b。

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You are asked to swallow a capsule containing vitamin B.

你被要求吞下一颗含维生素B的胶囊。

《柯林斯英汉双解大词典》

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

Vitamin B-one is also called thiamine.

VOA: special.2010.09.14

Low levels can be treated with drugs, particularly versions of the B-vitamin niacin including Niaspan, from Abbott Laboratories.

FORBES: Magazine Article

Cordaptive's effects on cholesterol come from niacin, a B-vitamin that has been used to treat heart patients for four decades.

FORBES: Merck's Good Cholesterol Battle

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