Active vitamin D then goes on to cause the gastrointestinal tract to increase calcium absorption.

活性生素D继续作用于消化道，增加钙吸收。

Basically the more Vitamin D, the more an enzyme CYP3A4 is produced.

基本上，生素D越多，产生CYP3A4酶就越多。

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

但是当给予火鸡大剂生素 D 正常生素 A 时，们则会出现生素D过多症。

So maybe we don't get enough vitamin D?

所以我们可能没有得到足够命D？

Vitamin D is also important because it helps calcium work well in our bodies.

命D同样也很重，因为它能让钙质被我们身体充分地吸收。

It also makes vitamin D and substances that help digestion.

它还生产命D 帮助消化一些物质。

Too much Vitamin D can cause heart problems, kidney damage and other medical conditions.

过服用生素D会导致心脏问题、肾脏损害疾病。

And vitamin D produces hormones that brighten your mood.

而生素D会产生让你心情愉悦激素。

The treatment typically involves oral vitamin D supplementation and treating the underlying cause.

治疗一般包括口服补充生素D治疗潜在病因。

Besides, I get vitamin D from the sun.

此外，我还能从阳光中获取生素D。

Humans need some sunlight for the synthesis of vitamin D which takes place in the skin.

人需阳光才能在皮肤里合成生素D。

It's relatively easy to increase your Vitamin D level.

提高生素 D 水平相对容易。

But it's not just sunlight and Vitamin D that makes the difference.

但造成这种差异不仅仅是阳光生素D。

Finally, there's also an increasing interest in the role of vitamin D as an effective treatment.

人们对于生素D治疗效果也在持续观望中。

It's good for your skin to have a little sun for vitamin D, for your spirit.

晒晒太阳对你皮肤有好处，可以补充生素 D，对你精神也有好处。

So they benefited from vitamin D, developed strong bones, and survived well enough to produce healthy offspring.

得益于充足生素D合成，们骨骼更加强壮而且更有利于生存 抚育健康后代。

It's crucial for building cells and helps the body make vitamin D, along with testosterone and estrogen.

它对构建细胞至关重，并帮助身体制造生素D，以及睾酮雌激素。

In fact, vitamin D promotes heart, metabolic, and immune system health in addition to supporting bone health.

事实上，生素 D 除了有益骨骼健康外，还对心脏、新陈代谢免疫系统健康有益。

This activated Vitamin D works to absorb calcium from your food, ultimately leading to bone growth and strength.

这种活性生素D可以从食物中吸收钙，影响骨骼生长骨强度。

Normally, the kidney helps to activate vitamin D which helps to increase absorption of calcium from the diet.

正常情况下钙辅助活化生素D，后者有利于饮食中钙吸收。