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Toggle Health Problems and D

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  1. On-line Vitamin D response simulation – July 2021
  2. Free Vitamin D evaluation service
  3. Poor responses to UV and Vitamin D were correlated to just 4 poor genes – June 2019
  4. Response to Vitamin D increased if take Magnesium and Vitamin K2 – Grassroots March 2020
  5. Increased Vitamin D response if take cofactors, etc
  6. Poor CYP2R1 gene reduces blood response to Vitamin D supplementation – Aug 2019
  7. Poor response to vitamin D supplementation if poor level of B Vitamins (rats in this case) March 2021
  8. Jordanian women vitamin D – 16 ng if Western clothing – 12 ng otherwise – Aug 2011
  9. 200 IU needed to increase vitamin D levels by 1 ng (not 100 IU) – summary of 25 studies – Feb 2014
  10. 30 percent of variation of vitamin D levels were associated with just 3 variables – March 2013
  11. 4700 IU of vitamin D needed by most seniors – an equation -July 2014
  12. AI: Exciting opportunity for Vitamin D Researchers
  13. Autistics have half of the response to Vitamin D (perhaps poor genes) – RCT Oct 2018
  14. Children 41X more likely to be vitamin D deficient if both parents were deficient – Dec 2018
  15. D Minder: Vitamin D calculator for Smartphones and iPad
  16. Estrogen contraception pill doubled the response to 1,000 IU of vitamin D – RCT Sept 2017
  17. Excellent prediction of very low vitamin D in elderly from just 16 questions (analyzed by ML) – June 2017
  18. Excessive clothes and being indoors results in very low vitamin D levels – Nov 2011
  19. Gene differences can result in 14 ng difference in vitamin D levels– Feb 2014
  20. Genes account for less than 18 percent of variation in vitamin D levels – Jan 2013
  21. Global analysis of disability - most are associated with vitamin D deficiency - Lancet Dec 2012
  22. Higher air pollution associated with 7 ng lower vitamin D levels – Aug 2013
  23. How to predict response to a vitamin D dose – RCT April 2014
  24. How you might double your response to vitamin D
  25. Huge variation in response to vitamin D supplementation – personal vitamin D response index – Dec 2016
  26. Increasing the ratio of mono to poly fats increased Vitamin D levels by 6 ng – RCT Aug 2011
  27. Less response to 800 IU of Vitamin D by Africans than natives in Finland – RCT March 2018
  28. Magnesium Deficiency Reduces Vitamin D Effectiveness- Sept 2011
  29. Magnesium may not be as available if have low stomach acid (seniors)
  30. Might be able to predict who will benefit from vitamin D by just 2 genes – July 2013
  31. Model has 80 percent chance of predicting vitamin D levels to within 10 ng – Feb 2012
  32. Molecular Approaches for Optimizing Vitamin D (one size does not fit all) – Carlberg Nov 2015
  33. Monthly vitamin D dosing had higher response than 3 per month – RCT Jan 2018
  34. Multiple Sclerosis patients need more vitamin D to get same blood level response – Aug 2015
  35. Not all Vitamin D levels follow the season – Asthma, Rhinitis, … – March 2019
  36. Obese need 2.5 IU of vitamin D per kg to increase 1 ng (about 3.4 X more) – RCT Sept 2013
  37. Obese need 2X as much vitamin D to get the same response – June 2012
  38. Obese need more Vitamin D: Volume dilution, IU per pound, or BMI – RCT Dec 2012
  39. Oral contraceptive use associated with higher levels of vitamin D – thesis June 2012
  40. Overview Vitamin D Dose-Response
  41. People with gut problems are low on vitamin D
  42. Poor absorption of Vitamin D is strongly related to type of gut bacteria – Dec 2020
  43. Quick, free, self test of vitamin D deficiency
  44. Redhead – Red hair - vitamin D
  45. Response to a large dose of vitamin D (80,000 IU) typically varied by 2 X – June 2016
  46. Response to high dose vitamin D is limited by vitamin A - July 2013
  47. Response to Vitamin D supplementation – July 2015
  48. Simple Vitamin D deficiency scoring system – Feb 2016

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