Recommendations around the world during the past 50 years have varied a lot. Almost all have gone up, but a few have gone down
This page is divided into three sections
- How much to take = IU = International Units
- How much vitamin D in blood serum: nanograms/ml
- Toxicity - a rare thing
Institute of Medicine 2010, Endocrine Society 2011, European 2012
- Endocrine Society suggest higher vitamin D levels – June 2011 NOAEL = no observed adverse effect level
- IoM again fails to look at interactions - Nov 2010. with many comments
- Vitamin D and Prevention of Cancer — Ready for Prime Time? – March 2011, with many comments, bibliography
- Official European vitamin D upper levels: 4000 adult – July 2012
- Vitamin D level recommendations - Bosomworth Jan 2011 1000 - 2000 IU over age 1
- 744 IU vitamin D needed by white Irish teens – Jan 2011
- Osteoporosis Canada Sept 2010 Upper limit as high as 10,000 IU daily
- USANA recommended 5,000 IU to achieve 50 ng/ml with graph
- US History of RDA
- EU RDA of Sept 2011 includes Magnesium 375 mg, Vitamin K (not K2) 75 mg, no Boron,
- Nordic countries upping vitamin D to 400 IU daily (not enough) - Nov 2014 adults
- Vitamin D supplementation guidelines (adults – 50,000 IU per week) – Feb 2017
More on IU at VitaminDWiki
- 200 IU DRI for Korean children lowered from 400 IU
- 200 IU France Germany 800, Switzerland 800, Spain 600
- Finland hopes to double Vitamin D dose for elderly from 400 to 800 IU in 2012
- Warning in Norway – 2,000 IU Vitamin D being sold (800 IU is their upper limit) – Feb 2015
- Poland 2009: 400-800 IU
- Germany = 800 IU as of Jan 2012
- Canada rubber stamp of IoM reports of Nov 2010 12/2010
- French Society of Paediatics Vitamin D recommendation s – Jan 2012 lots of details, example: breastfed infants: 1000 to 1200 IU
- 1500 IU vitamin D minimum - 10,000 IU is safe – review April 2012
- 3 % of elderly took more than 2000 IU in 2008
- Back in 2008 Scientists called for 2,000 IU
- 10,000 Finnish children got 2000 IU chart
- 1950's-1964 Finnish children got 4000+ IU chart
- 1800 to 4000 IU vitamin D to get 30 to-44 ng no risk osteo - July 2010.pdf file
- 85% achieved 20 ng with avg of 3300 IU of vitamin D - oral and injection Aug 2012
- Linus Pauling Institute 2000 IU Dec 2011
- Nursing homes residents should have at least 2000 IU
- 2500 to 4000 IU would decrease specific disease rates - April 2010
- Elderly need 2000 to 3000 IU
- Dr Norman 2000 to 4000 IU
- Dr. Garland and Heaney 4000 IU
- Seniors need at least 4,000 IU , no test needed – Consensus Jan 2014
- Patients older than 65 needed 5,000 IU vitamin D – May 2010
- 5,000 IU recommended by Vitamin D Council - Dec 2013
- 7100 IU (50000 weekly) got most women to 30 ng of vitamin D - Aug 2012
- 100 IU per kg of infant July 2011, Poland etc.
- 4,000 IU of Vitamin D is OK - 19 organizations agree - 2018
- Australia and NZ conservative position vitamin D position statement – June 2012 not official govt statement
- Australia and NZ 200 IU AI which has the following graph
2) Recommended vitamin D level in blood
- UK, Spring 2013 10ng/ml also Denmark and Korea
- Institute of Medicine US Nov 2010 20ng/ml
- Osteoporosis Canada Sept 2010 >30ng/ml
- USANA 50 ng/ml with graph
- Need 30-60 ng of vitamin D for good health – Grant Jan 2011
- More than 40 ng vitamin D for Athletes – July 2010
- Poland 2009 >20 ng for children, > 30 ng for adults
- 30 to 50 ng of vitamin D is optimal – Central Europe consensus Sept 2013
- USDA vitamin D level > 30ng and 600 mg Calcium - March 2010
- Linus Pauling Institute >32 ng - Dec 2011
- Hypothesis : 40 ng is enough vitamin D if high latitude or dark skin
- Dr Oz recommends 50 ng/ml vitamin D blood level May 2010
- GrassRootsHealth.net 41 experts 40-60 ng/ml after IoM report
- Vitamin D should be 48 ng-90 ng – Heaney Sept 2011
- Is 50 ng too high, just right, or not enough
- European Osteo group recommends 20-50 ng of vitamin D – Jan 2013
- 25 experts recommend vitamin D level of min 30 ng – Nov 2009
The MINIMUM recommendation = 30 ng was higher than the IoM = 20, or UK = 10
Click on image for more details
Consensus: 0 ng is bad and 30 ng is good/ok
CLICK HERE for Vitamin D opinions
3) Upper Limit and Toxicity at VitaminDWiki
See also in VitaminDWiki
- OVERVIEW How Much Vitamin D
- How much Vitamin Dcategory listing has
345 items along with related searches - 2010 recommendations by IoM for Vitamin D are Deficient – by 1997 panelists critique
- 75 trials and 11 systematic reviews published daily easy to understand why Doctors cannot keep up with vitamin D developments
- NLM Vitamin D recommendations and interactions – Jan 2011 also mentions what other organization recommend
- World category listing has
14 items along with related searches - Middle East and Vitamin D category listing has
154 items along with related searches - Vitamin D Far from Equator category listing has
124 items along with related searches
Only a tiny number of people get even the "minimum wage" of vitamin D (orange line)
Less than 5% of all females, 0% of females ages 14-31%%%Less than 10% of males
None of the seniors (over age 71)
short URL for this page = http://tinyurl.com/vitDrecVitamin D Recommendations around the world - IU and ng94158 visitors, last modified 30 Jul, 2023, This page is in the following categories (# of items in each category)