93 percent of US children had less than 40 ng of vitamin D a decade ago
Most Children Are Not Getting Enough Vitamin D GrassrootsHealth Oct 2021
Supplement preterm infants with vitamin D if less than 80 ng – RCT Sept 2021
36X more likely for an infant to be low vitamin D if exclusively breastfed (Hong Kong) – March 2021
Children's Cancer hospital now testing vitamin D frequently and supplementing weekly – July 2021
Severe pediatric COVID 5.5 more likely if low vitamin D (review of 6 studies) -July 2021
Vitamin D for infants – 100,000 IU monthly is better than 400 IU daily – RCT Oct 2020
73 percent of US infants still do not even get 400 IU of Vitamin D - June 2020
Children in India – 1 in 7 extremely low Vitamin D, 1 in 10 prediabetic – Sept 2019
Children 41X more likely to be vitamin D deficient if both parents were deficient – Dec 2018
Is 50 ng of vitamin D too high, just right, or not enough
- has the following - click on image for details - more is better
Saudi study defines normal Vitamin D level to be 50 to 70 ng (diabetes, etc.) - June 2020
Need 40 to 60 ng of Vitamin D – 48 scientists call for action – 2015
10 Reasons why children no longer have healthy levels of Vitamin D
Reasons for children having low vitamin D (proposed by 10 societies) - May 2018
86 percent of US military no longer have enough Vitamin D (30 ng) – Dec 2020
Vitamin D levels have been crashing since 1995 (Polish Children, Elite Military, etc)
- Vitamin D levels have probably continues to drop since then
Consensus Vitamin D category listing has items
See also web
Vitamin D deficiency in children is common German Sept 2021
Children aged aged 3-15 in Belgium, Cyprus, Estonia, Germany, Hungary, Italy, Spain, Sweden
97% had <30 ng / ml).
2021 Canadian study of children defined Vitamin D adequacacy as >16 ng
Items in both categories Infant-Child and Deficiency are listed here:
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