Right now, the recommended daily allowance of vitamin D is 400 international units, but the Institute of Medicine is currently revisiting those numbers.

目前，维生素D的日推荐剂量为400IU，但是医学研究会正重新调整这一剂量。

youdao

Half the group was randomly assigned to receive the recommended daily dose of vitamin D (400 international units) plus a 50,000-unit vitamin D capsule once a week.

他们随机地安排半数患者接受维生素D推荐每日用量（400个国际单位）并加服每周一次的50000个单位的维生素胶囊。

youdao

Indeed, back in 2006 results from the Women's Health Initiative (WHI) stated that daily supplements of vitamin D and calcium 'had no effect' on the risk of colorectal cancer.

事实上，早在2006年对妇女健康倡议说，每天补充维生素D和钙 '并没有影响 '发生大肠癌的风险。

youdao

And people,well-meaning people, would send him the Daily Californian and stuff like that and he'd find out about all the protests and the riots, and it was really demoralizing.

VOA: standard.2010.05.31

But before we'd do that I'd like to just have a quick discussion about your experience with the Daily Plate.

但是在我们讨论之前,我想对你们,所做的每日饮食记录做个简单说明

耶鲁公开课 - 关于食物的心理学、生物学和政治学课程节选

The American Academy of Pediatrics says breast-fed infants should get 400 IUs of supplemental D daily.

WSJ: Vitamin D to Defend Against Disease

So, in August, he got a job at his local Starbucks the one he'd visited daily since losing his job even though he expects to leave once he finds employment in his field.

WSJ: Downturn's Ugly Trademark: Steep, Lasting Drop in Wages

None of this is to say you should give up on your daily vitamin D supplement.

FORBES: That Vitamin D You're Taking? It May Not Be What It Appears