How does the prevalence of vitamin D deficiency vary by age?

Updated: Dec 15, 2020
  • Author: Vin Tangpricha, MD, PhD; Chief Editor: Romesh Khardori, MD, PhD, FACP  more...
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Vitamin D production in the skin declines with advancing age, making elderly populations more dependent on dietary vitamin D. For the average older person, higher dietary intake of vitamin D may be required to achieve optimal serum levels of 25(OH)D. [34]

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