The table on this page is from Children need vitamin D - good global overview, poor recommendations for Italian children - May 2018
Optimum category starts with
The RDA is barely enough for the bones to survive.
Need an optimal level for the body to thrive
Example pages
- Is 50 ng of vitamin D too high, just right, or not enough
- More than 30 ng of vitamin D is needed for many diseases - Feb 2022 has
- 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
- Vitamin D RDA of 600 IU is not enough - global RCT meta-analysis March 2019
- Vitamin D sufficiency 10 to 30 ng, optimal 40 to 80 ng (no consensus)– May 2018
- 4 X fewer visits to Dr. after getting high level of vitamin D (Interview with transcript) - Jan 3, 2022
- Vitamin D sufficiency 10 to 30 ng, optimal 40 to 80 ng (no consensus)– May 2018
- Sports benefits from up to 50 ng of Vitamin – meta-analysis - Nov 2012
- Vitamin D of 32 to 60 ng is needed before, during, and after pregnancy – Dec 2012
- Hypothesis by VitaminDWiki – Vitamin D levels are no longer limited by evolution
- VitaminDWiki pages with HIGH-DOSE in title 57 as of Feb 2022
Table 2 Definition of vitamin D status according to several Societies and Organizations in the last 10 years
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