Vitamin D Recommendations around the world - IU and ng

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

1. How much to take = IU = International Units
2. How much vitamin D in blood serum: nanograms/ml
3. Toxicity - a rare thing

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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

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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

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3) Upper Limit and Toxicity at VitaminDWiki

• Hard to overdose
• Toxicity level 300 ng
• Dr Norman - risk of Toxicity >150 ng

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See also in VitaminDWiki

• OVERVIEW How Much Vitamin D
• How much Vitamin Dcategory listing has 342 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 151 items along with related searches
• Vitamin D Far from Equator category listing has 124 items along with related searches

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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/vitDrec