vitamin d

常见例句

Vitamin D -- your skin converts sun into vitamin D, but a lot of people have this sun phobia.
维生素D—你的皮肤把日光转化成维生素D，但是很多人有太阳恐惧症。
Vitamin D is the only vitamin that humans make themselves and is essential for the health of skin and bones.
维生素D是唯一一种由人体自己产生并在皮肤骨骼的健康中必不可少的维生素。
Keep in mind, however, that skin color, where you live and how much skin you have exposed all affect how much vitamin D you can produce.
不过，还应切记，皮肤颜色、生活地点和暴露在外的皮肤面积大小，都会影响你的身体所能产生的维他命 D 的量。

They play indoors. Everything's indoors. And so we're actually starting to see low levels of vitamin D in areas where the sun is plentiful."
In some countries, milk producers add vitamin D to milk so children will get enough.
Ultraviolet light from the sun changes a substance in the skin into vitamin D.

And of course vitamin D is key to building bone health and preventing osteoporosis.
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And ten minutes (without sunscreen) is equal to 10000 international units of vitamin D.
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If you believe in the case for vitamin D, she advises, take supplements and stay pale.
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