Oct 11, 2022 The ABCs of Vitamin D

The importance of Vitamin D as part of a healthy diet cannot be overstated. Yet many people—more than a billion worldwide and about 40 percent (though some studies estimate that figure to be as high as 95 percent) of the U.S. population—don’t get enough and may not even realize it. Here are some things you should know about Vitamin D.

What are some benefits of Vitamin D?

Vitamin D helps the body absorb calcium and is essential for building strong bones. It’s also important for brain, nerve, and muscle function; offers immune-system support and heart-health benefits; and may help reduce cholesterol levels and high blood pressure.

How much Vitamin D do I need?

The recommended daily allowance (RDA) for adults 19 to 70 is 15 mcg (600 IU), but check with your health care provider as you may need more or less.

What are good sources of Vitamin D?

Sun exposure helps your body produce Vitamin D, but getting enough sun can be challenging for some, especially in the fall and winter. Naturally Vitamin D-rich foods are rare, but fatty fish (mackerel, salmon, sardines) and fortified foods (like milk and dairy) and are good sources. Vitamin D supplements, particularly Vitamin D3 (which lasts longer in the body than D2), are another great source.

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