1. 5000 IU raised vitamin D levels 10 ng but did not raise cognition in young adults – Nov 2011
2. Breastfeeding with daily or monthly doses of vitamin D virtually the same – RCT Dec 2013
3. High poly-fat meal, raised vitamin D, low fat, lowered D – Dec 2011
4. Vitamin D once every two weeks is OK, daily is nice but not required – Aug 2014
5. Vitamin D less costly if give 100,000 IU monthly (but 50,000 IU biweekly should save more money) – July 2019
6. Acute respiratory infection worsened by too infrequent vitamin D supplementation – RCT June 2015
7. 60,000 IU vitamin D weekly for 3 months lasts for another 3 months - April 2013
8. 1,100 IU Vitamin D needed to get most to 20 ng (look at individual not summary data) – April 2018
9. Directly Observed Vitamin D therapy is one of many ways to increase compliance – RCT Feb 2017
10. How you might double your response to vitamin D
11. How, when to take Vit. D
12. Just mark your calendar for vitamin D days
13. Falls not prevented by vitamin D given every 3 months or less often – meta-analysis Jan 2015
14. Decrease Calcium and Increase Magnesium when increasing vitamin D
15. Increased vitamin D in blood by 56% by taking supplement with largest meal of the day - May 2010
16. Elite Athletes do well with weekly 35,000 IU of Vitamin D – RCT Feb 2017
17. How to get Vitamin D and cofactors without taking pills
18. Increasing the ratio of mono to poly fats increased Vitamin D levels by 6 ng – RCT Aug 2011
19. Optimal vitamin D supplementation strategies (D3 - weekly or monthly) – Feb 2017
20. Vitamin D – monthly dosing was better than daily with Calcium – RCT Dec 2015
21. Getting Vitamin D into your body

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