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。
He was put on a high dosage of vitamin C.
他在大剂量服用维生素C。
Liver and kidneys are particularly rich in vitamin A.
肝脏和肾脏尤其富含维生素A。
There was no positive evidence that any birth defects had arisen as a result of Vitamin A intake.
没有确凿证据表明摄入维生素A会导致先天缺陷。
In parts of South America, vitamin-A deficiency is a serious health problem, especially among children.
在南美部分地区，缺乏维生素 A是一个严重的健康问题，尤其在儿童之中。
How much Vitamin A should they have?
他们应该摄入多少维生素A？
For people in sub-Saharan Africa, where white corn is a staple food, substituting this biotech variety could help them meet their daily recommended intake of vitamin A and folate.
生活在非洲下撒哈拉地区的人们以白玉米为主食，改换成这一生物工程品种可以帮助他们获得每日所需的维生素和叶酸。
Mothers and infants were enrolled in a trial of vitamin a supplementation during which the infants' weight, length and feeding practices were assessed regularly.
这些母亲和婴儿参与了一项维他命补充试验，试验过程中定期评估婴儿的体重、身高和喂养方法。
Mangoes are also a great source of vitamin A. it's best to get this vitamin from food and not from supplements, though, since too much vitamin a can cause health problems [source: iV].
芒果也是一个维生素a的重要来源。我们最好是从食物中获取这种维生素而不要通过补脉，虽然由于太多的维生素a可能会造成健康方面的问题。
To assess the relationship between the prevalence of vitamin a deficiency among pregnant women and the effect of neonatal vitamin a supplementation on infant mortality.
评估孕妇维生素a缺乏症发生率和新生儿维生素a补充对婴儿死亡率的影响之间的关系。
They say that although carrots are rich in beta-carotene - a building block of flu-fighting vitamin a - sweet potatoes contain nearly twice as much.
专家们还说，虽然胡萝卜富含胡萝卜素——抗流感的维他命a的构成元素之一——红薯中的胡萝卜素含量约是它的两倍。
But some vitamins, especially fat-soluble ones that are stored in the liver, can be harmful if taken in excess. Taking too much vitamin a can lead to headaches, skin changes and liver damage.
但是一些维生素，特别是脂溶性维生素在肝脏中储存，补过了就会影响健康。
Mangoes are also a great source of vitamin A. it's best to get this vitamin from food and not from supplements, though, since too much vitamin a can cause.
芒果中也含有丰富的维生素a。我们最好是从食物中摄取维生素，最好不要吃补充剂，因为过量的维生素a同样会导致健康问题。
That's a problem, particularly when it comes to vitamin D. Federal guidelines recommend that children get 400 I.U. of the vitamin a day, equivalent to four 8 oz. glasses of milk.
这是一个难题，尤其涉及到维生素d时，联邦准则建议这种维生素儿童摄入量应为每天400iu，相当于4杯8盎司玻璃杯的牛奶。
Vitamin A: Strengthens the immune system. Essential for mineral metabolism and endocrine function.
维生素A：维生素A能加强免疫系统和能帮助机体解毒，特别是对矿物质的新陈代谢和内分泌功能起重要作用。
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。
In regions where at least 22% of pregnant women have vitamin a deficiency, giving neonates vitamin a supplements will have a protective effect against infant death.
在至少有22%的孕妇存在维生素a缺乏症的地区，让婴儿服用维生素a补品将可以起到预防婴儿死亡的作用。
What They Do - They contain antioxidants such as Vitamin a, beta-carotene, Vitamin c, Vitamin e, selenium, zinc, copper and manganese, which are also anti-stress nutrients.
作用——上述物质含有抗氧化剂，例如维生素a、胡萝卜素、维生素c、维生素e、硒、锌、铜和锰，同时它们也是具有抗压力的营养素。
They have become a channel for the delivery of other life-saving interventions, such as bednets to protect against malaria, de-worming medicine and vitamin a supplements.
这些运动已成为提供其他拯救生命措施，如预防疟疾的蚊帐、除虫药物和维生素a添加剂等的渠道。
Helps detoxify. True vitamin a is found only in animal foods such as cod liver oil; fish and shellfish; and liver, butter and egg yolks from pasture-fed animals.
真正的维生素a只能在动物食品中找到，如鳕鱼甘油、鱼类和甲壳类动物、肝脏、牛油、草食性动物的蛋黄等。
The short period from disease onset to death and reduced mortality from treatment with vitamin A suggest the need for rapid, field-based treatment early in the outbreak.
麻疹患者一旦发病，很快就会死亡，而补充维生素A的治疗方式可以降低死亡率，这二者说明在发病早期需要提供迅速的上门治疗服务。
Studies of neonatal supplementation with vitamin A have yielded contradictory findings with regard to its effect on the risk of infant death, possibly owing to heterogeneity between studies.
众多新生儿补充维生素A的研究在维生素A补充对婴儿死亡风险的影响方面得到的发现却是相互冲突的，这可能是由于研究之间的异质性。
Foods rich in vitamin a can be consumed liberally and include liver, potatoes, carrots, mangos, spinach, cantaloupe, dried apricots, milk, egg yolks, and mozzarella cheese.
以下食物富含维生素a(不限量)：肝、土豆、萝卜、芒果、菠菜、哈密瓜、杏脯、牛奶、蛋黄和马苏里拉奶酪。
But although most people get enough calories, they still suffer huge deficiencies, especially in four nutrients: iron, zinc, iodine and vitamin a.
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。
Vitamin A supplements cost just a dollar or two. Their benefits—preservation from fatal diseases, higher lifetime earnings—so massively outweigh the tiny costs that poor people ought to snap them up.
维生素A补充剂不过就一两美元，但是其效益——预防重大疾病，提高终生收入¬——极为可观，穷人们应该赶紧行动起来。
Vitamin A supplements cost just a dollar or two. Their benefits—preservation from fatal diseases, higher lifetime earnings—so massively outweigh the tiny costs that poor people ought to snap them up.
维生素A补充剂不过就一两美元，但是其效益——预防重大疾病，提高终生收入¬——极为可观，穷人们应该赶紧行动起来。
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