New Questions How Do You Know If You Have a Vitamin D Deficiency? Posted on June 23, 2022 by Arti Arti What Are The Different Types Of Network Vulnerabilities? How long does a domain name registration last?
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A vitamin D deficiency can only be discovered through blood tests that measure levels of storage vitamin D, known as 25(OH)D. In the US, current guidelines suggest that consuming 400–800 IU (10–20 mcg) of vitamin D should meet the needs of 97–98% of all healthy people (12). While it’s possible to take too much vitamin D, toxicity is very rare.