Vitamin

Vitamin D

• Reference intake

  "Adults 19 years and older: 100 mcg (4,000 IU)"

  NIH Office of Dietary Supplements (Vitamin D — Consumer — Upper Limit)

• Reference intake

  "Adults 19–70 years: 15 mcg (600 IU)"

  NIH Office of Dietary Supplements (Vitamin D — Consumer — Recommended Amount)

• Reference intake

  "Adults 71 years and older: 20 mcg (800 IU)"

  NIH Office of Dietary Supplements (Vitamin D — Consumer — Recommended Amount)