It is very difficult to predict the response to supplementation of Vitamin D, or additional sun/UV
There are a huge number of factors involved.
This page also has studies predicting deficiency without Vitamin D tests
See VitaminDWiki
- Low Vitamin D screening with just 5 questions (for less than 12 ng) – June 2022
- Top 10 signs of Vitamin D Deficiency (9 minute Video) - Oct 2021
- Estimate Vitamin D levels based on questionnaires (12 studies) – July 2020
- Is a senior Vitamin D insufficient - a 2 minute questionnaire is 85 percent accurate – Nov 2019
- Simple Vitamin D deficiency scoring system – Feb 2016
- Toward predicting vitamin D levels without a blood test.
- Excellent prediction of very low vitamin D in elderly from just 16 questions (analyzed by ML) – June 2017
- Quick, free, self test of vitamin D deficiency 90% chance <20 ng
- How to predict response to a vitamin D dose – RCT April 2014
Here are all of the Predict Vitamin D articles
- wiki page:
- Vitamin D daily - Evolution: 4,000 IU, Government: 800 IU– Veith Oct 2022
- Prediction of low Vitamin D not helped by improperly used Machine Learning – Sept 2022
- Low Vitamin D screening with just 5 questions (for less than 12 ng) – June 2022
- Responses by healthy individuals to 2,000 IU vitamin D daily – Feb 2022
- Estimate Vitamin D levels based on questionnaires (12 studies) – July 2020
- 2700 IU of vitamin D needed to get above 20 ng if dark-skinned and high latitude – Oct 2021
- Top 10 signs of Vitamin D Deficiency (9 minute Video) - Oct 2021
- Poor response to vitamin D supplementation if poor level of B Vitamins (rats in this case) March 2021
- On-line Vitamin D response simulation – July 2021
- Poor absorption of Vitamin D is strongly related to type of gut bacteria – Dec 2020
- 50,000 IU Vitamin D weekly was the most popular for Breast Cancer - May 2020
- Response to Vitamin D increased if take Magnesium and Vitamin K2 – Grassroots March 2020
- Is a senior Vitamin D insufficient - a 2 minute questionnaire is 85 percent accurate – Nov 2019
- Increased Vitamin D response if take cofactors, etc
- Children 41X more likely to be vitamin D deficient if both parents were deficient – Dec 2018
- Poor CYP2R1 gene reduces blood response to Vitamin D supplementation – Aug 2019
- Poor responses to UV and Vitamin D were correlated to just 4 poor genes – June 2019
- Not all Vitamin D levels follow the season – Asthma, Rhinitis, … – March 2019
- Vitamin D Nutrigenomics - High, Medium, and Low Responders - March 2019
- AI: Exciting opportunity for Vitamin D Researchers
- Vitamin D RDA of 600 IU is not enough - global RCT meta-analysis March 2019
- Autistics have half of the response to Vitamin D (perhaps poor genes) – RCT Oct 2018
- Less response to 800 IU of Vitamin D by Africans than natives in Finland – RCT March 2018
- Excellent prediction of very low vitamin D in elderly from just 16 questions (analyzed by ML) – June 2017
- Monthly vitamin D dosing had higher response than 3 per month – RCT Jan 2018
- Vitamin D injection helped migrants a bit, but some had poor or even negative responses – Dec 2017
- 10 reasons for poor response to Vitamin D (race, binding protein, etc.) – Nov 2017
- Response to a large dose of vitamin D (80,000 IU) typically varied by 2 X – June 2016
- Vitamin D Status estimation of elderly by questionnaire – Oct 2017
- Estrogen contraception pill doubled the response to 1,000 IU of vitamin D – RCT Sept 2017
- Huge variation in response to vitamin D supplementation – personal vitamin D response index – Dec 2016
- Vitamin D responses to as much as 15,000 IU per day – Feb 2017
- Simple Vitamin D deficiency scoring system – Feb 2016
- Molecular Approaches for Optimizing Vitamin D (one size does not fit all) – Carlberg Nov 2015
- Vitamin D levels should often be adjusted for season (Cosinor) – Nov 2015
- Vitamin D more than 40 ng: 1300 IU 50% chance: 5,000 IU 80% chance - Aug 2014
- Multiple Sclerosis patients need more vitamin D to get same blood level response – Aug 2015
- Response to Vitamin D supplementation – July 2015
- Vitamin D estimation nicely improved by neural networks – May 2015
- Genes account for less than 18 percent of variation in vitamin D levels – Jan 2013
- Some people need more vitamin D to get the same response – perhaps due to genes – Nov 2014
- 200 IU needed to increase vitamin D levels by 1 ng (not 100 IU) – summary of 25 studies – Feb 2014
- 4700 IU of vitamin D needed by most seniors – an equation -July 2014
- Free Vitamin D evaluation service
- How to predict response to a vitamin D dose – RCT April 2014
- Gene differences can result in 14 ng difference in vitamin D levels– Feb 2014
- D Minder: Vitamin D calculator for Smartphones and iPad
- Toward predicting vitamin D levels without a blood test.
- Obese need 2.5 IU of vitamin D per kg to increase 1 ng (about 3.4 X more) – RCT Sept 2013
- Why do gardeners live longer (vitamin D, etc.)
- Higher air pollution associated with 7 ng lower vitamin D levels – Aug 2013
- Might be able to predict who will benefit from vitamin D by just 2 genes – July 2013
- Response to high dose vitamin D is limited by vitamin A - July 2013
- UVA decreased vitamin D levels (again) – July 2013
- Magnesium may not be as available if have low stomach acid (seniors)
- 30 percent of variation of vitamin D levels were associated with just 3 variables – March 2013
- Obese need more Vitamin D: Volume dilution, IU per pound, or BMI – RCT Dec 2012
- Global analysis of disability - most are associated with vitamin D deficiency - Lancet Dec 2012
- Timeline of Heart Disease, Diabetes, fats, lard, HFCS, and vitamin D – Aug 2012
- Obese need 2X as much vitamin D to get the same response – June 2012
- Oral contraceptive use associated with higher levels of vitamin D – thesis June 2012
- Urban residents have the most vitamin D, metro residents the least – April 2012
- Model has 80 percent chance of predicting vitamin D levels to within 10 ng – Feb 2012
- Reasons for low response to vitamin D
- Excessive clothes and being indoors results in very low vitamin D levels – Nov 2011
- Quick, free, self test of vitamin D deficiency
- Magnesium Deficiency Reduces Vitamin D Effectiveness- Sept 2011
- How you might double your response to vitamin D
- Increasing the ratio of mono to poly fats increased Vitamin D levels by 6 ng – RCT Aug 2011
- Jordanian women vitamin D – 16 ng if Western clothing – 12 ng otherwise – Aug 2011
- Redhead – Red hair - vitamin D
- People with gut problems are low on vitamin D
- Overview Vitamin D Dose-Response
- US truckers die 16 years earlier - partially due to vitamin D deficiency
- UV and Vitamin D calculators
Predict Vitamin D
Printer Friendly
Follow this page for updates
| 12622 visitors, last modified 28 May, 2022, |