On Vitamins What Does Iu Mean?

Reviewed on 3/29/2021. IU (international unit): An international unit (IU) is an internationally accepted amount of a substance. This type of measure is used for the fat-soluble vitamins (such as vitamins A, D and E) and certain hormones, enzymes, and biologicals (such as vaccines).

Is 2000 mg the same as 2000 IU?

Vitamin D is actually dispensed in units called "International Units". Some patient and doctors refer to the units as milligrams (mg) because it is easier to remember/understand. If you are looking for 2000 mg of Vit D you can feel comfortable purchasing 2000 IU of Vit D. They are the same thing.

Should I take 1000 IU vitamin D?

Holick recommends a dose of 1,000 IU a day of vitamin D for both infants and adults -- unless they're getting plenty of safe sun exposure. In 2008, the American Academy of Pediatrics recommended that breastfed infants receive 400 IU of vitamin D every day until they are weaned.