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Vitamin D levels are lower than 20 ng in half of the world – Dec 2017

Global Overview of Vitamin D Status

Endocrinology and Metabolism Clinics of North America, Vol 46, Issue 4, Dec 2017, Pages 845–870. https://doi.org/10.1016/j.ecl.2017.07.002
Natasja van Schoor, PhDa, , , Paul Lips, MD, PhDb

Key points

  • Vitamin D deficiency occurs all over the world, mainly in the Middle East, China, Mongolia, and India.
  • Risk groups for vitamin D deficiency include older persons, pregnant women, and non-western immigrants.
  • Prevention of vitamin D deficiency is feasible with moderate sunlight exposure, consumption of fatty fish and vitamin D-fortified foods, and the use of vitamin D supplements.
  • The required dose in healthy older persons is about 400 to 800 IU per day, the higher dose with low sun exposure or pigmented skin.
  • Patients with osteoporosis and older institutionalized persons require 800 IU per day.
  • A vitamin D3 supplement of 400 IU per day can be recommended for adults who do not have sun exposure or have a pigmented skin.
  • The goal of prevention should be to increase serum 25-hydroxyvitamin D levels to more than 50 nmol/L in all countries all year long.
Vitamin D Life

This study considers 20 nanograms/mL of vitamin D to be adequate
It finds that roughly half of the world does not have adequate levels
It suggests, based on no data, than 400 or 800 IU is needed
No data on < 30 ng nor < 40 ng, and no maps

Nice world chart is at Vitamin D levels around the world - DSM review June 2014

Pages listed in BOTH of the categories Deficiency, Middle East

Pages listed in BOTH of the categories Deficiency, Far From Equator

Pages listed in BOTH fo the categories Deficiency, Europe

Pages listed in BOTH fo the categories Deficiency, Canada

Pages listed in BOTH fo the categories Deficiency, Orient

Pages listed in BOTH fo the categories Deficiency, World

PDF is behind a $31.50 paywall
A tiny view of the information in the PDF

Middle East

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Europe 1

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Scandanavia

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China

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Asia - not China

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Canada

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US

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South America

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Created by admin. Last Modification: Friday May 3, 2019 17:45:11 GMT-0000 by admin. (Version 12)

Attached files

ID Name Comment Uploaded Size Downloads
8613 Scandanavia.jpg admin 31 Oct, 2017 13:27 7.78 Kb 343
8612 South America.jpg admin 31 Oct, 2017 13:26 7.38 Kb 325
8611 US.jpg admin 31 Oct, 2017 13:26 5.56 Kb 312
8610 Canada.jpg admin 31 Oct, 2017 13:25 9.01 Kb 338
8609 Asia - not Chiina.jpg admin 31 Oct, 2017 13:19 8.92 Kb 343
8608 China.jpg admin 31 Oct, 2017 13:19 10.13 Kb 320
8607 Europe 1.jpg admin 31 Oct, 2017 13:18 7.27 Kb 324
8606 Middle East.jpg admin 31 Oct, 2017 13:18 8.00 Kb 348
8605 D vs latitude in winter.jpg admin 31 Oct, 2017 13:17 45.16 Kb 113
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