Current guidelines recommend that people between the ages of 50 and 69 get 400 international units (IUs) of itamin D per day and for those oer age 70 to get 600 IUs.

• 当前的指南推荐年龄介于50岁到69岁的人每日摄取400个国际单位（IUs）的维生素D，而年龄大于70岁的人则要摄取600IUs。