Vitamin D deficiency is incredibly common in the US, but many Americans mistakenly believe they aren’t at risk because they consume vitamin-D-fortified foods (such as milk).
There are very few foods that actually have therapeutic levels of vitamin D naturally and even fortified foods do not contain enough vitamin D to support your health needs.
Despite its name, vitamin D is not a regular vitamin. It’s actually a steroid hormone that you are designed to obtain primarily through sun exposure, not via your diet.
Signs You May Be Vitamin D Deficient
- You Have Darker Skin
African Americans are at greater risk of vitamin D deficiency, because if you have dark skin, you may need as much as 10 times more sun exposure to produce the same amount of vitamin D as a person with pale skin!
As Dr. Holick explained, your skin pigment acts as a natural sunscreen, so the…
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