Almost all successful anti-fracture clinical trials have used vitamin D3 at a dosage of at least 800 IU/day (20 mcg per day). Ideally, the vitamin D blood test should be offered from the fall ...

Breastfed infants and children with certain medical conditions are also susceptible to vitamin D deficiency. If a healthcare professional has recommended a vitamin D supplement for calcium ...

it’s 20 mcg (800 IU) daily. Of course, before you pop a pill, you have to consider how much vitamin D you’re already getting from the food you eat. For instance, if you’re already getting 10 ...

Vitamin D3 is a form of vitamin D that helps the body absorb calcium and other minerals which are important for healthy bones, immune function, and more. It's also a popular dietary supplement and ...

Vitamin D3, a form of vitamin D, promotes strong bones, good immune health, and mental well-being. You can get vitamin D3 from fortified foods, eggs, and fatty fish — or by spending time in the sun.

In some countries, vitamin D is listed in micrograms, and the relationship is as follows: 2.5 mcg (micrograms) = 100 IU. 5 mcg = 200 IU. 10 mcg = 400 IU. 15 mcg = 600 IU. 20 mcg = 800 IU.

Unfortunately, it’s not unusual to have low levels of the vitamin. While there isn’t a consensus on the ideal amount of ...