Carrots are rich in vitamin A.

红萝卜富含素A。

Another kind of treatment involves retinoids, which are compounds related to vitamin A.

另一种药物类素A，素A的化合物。

They have betacarotene, which is an important part of the vitamin A pathway.

它们含有β胡萝卜素，这素 A 途径的重要组成部分。

Butter also has some essential vitamins and minerals such as vitamin A and E.

黄油还含有一些必要的素和矿物质，如素A和E。

But When they gave high vitamin D and normal vitamin A, they got hypervitaminosis D.

但当给予火鸡大剂量的素 D 和正常量的素 A 时，他们则出现素D过多症。

Well, butter provides great fat-soluble Vitamins like Vitamin K2 and Vitamin A and Vitamin E.

黄油提供了大量的脂溶性素，如素 K2、素 A 和素 E。

The main nutrients that are recommended are vitamin A, vitamin C, vitamin E, lutetium, and zeaxanthin.

推荐的主要营养素素 A、素 C、素 E、氚和玉米黄质。

And products such as wheat flour, cooking oil and sugar are fortified with vitamin A by law.

法律规定，面粉、食用油和糖等产品都要素A。

Milk is nutritious, it contains vitamins A and D as well as protein and isn't full of calories.

牛奶很有营养，它富含素A和D以及蛋白质，而且不含热量。

“If you eat just one carrot every day, that provides all the Vitamin A you need to survive.”

如果你每天吃一根胡萝卜，就能提供人体必需的素A。

Dandelions are a great source of vitamin K and also are a good source of vitamins A and C.

蒲公英素K的重要来源，也素A和C的主要来源。

Vitamin A is a fat soluble vitamin, you need fat to absorb and assimilate it properly.

因为素 A 一种脂溶性素，需要油脂的帮助才能被人体正常吸收。

Then, one might be providing Vitamin A as beta carotene where another provides it as retinyl palmitate and so on.

同时，有的产品当中的素 A β-胡萝卜素，而另一些则视黄醇棕榈酸酯，等等。

You could give 2,134 vitamin A supplements and you could save almost one life for a longer and healthier future.

你可以提供 2134 个素 A 补充剂，并且你几乎可以拯救一条命，使其获得更长久和健康的未来。

Carotenoids like beta-carotene have their own functions other than just conversion to Vitamin A.

β-胡萝卜之类的类胡萝卜素除了能转化为素 A 以外还有其它功能。

B. They are high in vitamin A.

B. 它们富含素 A。

Stuff like amino acids, vitamins, a few minerals.

诸如氨基酸、素和一些矿物质之类的东西。

And studies suggest grass-fed butter has better Vitamin A and E content, higher omega-3s, and higher levels of the antioxidant glutathione.

研究表明，草食黄油具有更好的素 A 和 E 含量，更高的 ω-3 脂肪酸和更高水平的抗氧化剂谷胱甘肽。

500,000 children go blind every year because of lack of Vitamin A.

每年有 50 万儿童因缺乏素 A 而失明。

These include use of vitamin A supplements in treatment and detailed suggestions for treating babies under the age of six months.

包括治疗中使用素A补充剂，以及为6个月以下婴儿提供治疗的详细建议。