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Toggle Health Problems and D

Intervention - Vitamin D

Intervention = Give Vitamin D (or Mg, Omega-3, etc) to a portion of study participants and see what happens
Typically

  • Intervene with the group: one dose size, but sometimes intervene while varying the dose size
    • perhaps such that each individual exceeds the desired blood level (say 40 ng)
  • Group size: 50 to 500 people, but can be ~ 100,000 individuals ( Turkey- Rickets )
  • Vitamin D3, but sometimes an activated form ( Calcidiol, or Calcitriol)
  • Disease treatment, but sometimes disease prevention
  • Just Vitamin D (monotherapy), even though cofactors are very important, especially if > 4,000 IU

Note - some interventions use loading doses to restore levels quickly (days or weeks instead of months)
Which also includes small single dose of vitamin D - say 100,000 IU
Not listed - Trials which clearly used too little vitamin D or too short of period
The many reasons why Vitamin D trials fail – Oct 2020
US Clinical Trials with Vit D Intervention new since Jan 2018 453 as of Oct 2020

763 Intervention studies

See also
More than 700 Vitamin D Intervention Trials since the IoM decision a count of some of the trials- by health problem

Intervention - 2-30 days 240 items
Loading dose for Vitamin D 190 items
Proof that Vitamin D Works
Supplementing Vitamin D
Items in category Meta-analysis 593 items

Intervention - Vitamin D by date instead of by health problem


Studies in VitaminDWiki

Year Randomized
Controlled
Trials
Interventions Meta-
analyses
2017- 4852
2016- 5140
2015698235
2014646348
2013816337
2012413839

Note: Govt recommendations in 2015 often ignored data after 2011


Intervention - sorted by date

CLICK HERE


Intervention category is associated with 53 other VitaminDWiki categories (>5 each)

       Click here for association information

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Summary of Associations

Associated category Associations
33
215
13
41
8
20
16
48
71
58
6
39
6
22
6
8
7
55
6
20
9
19
29
19
13
16
16
16
8
8
17
23
24
12
13
18
16
8
6
21
22
11
17
7
8
7
9
33
5
5
8
6
7
9
7
6
10
7
5
14
6
12
8
6
7
7

Results

33 pages in both categories: Intervention + Obesity

215 pages in both categories: Intervention + Intervention - non daily

13 pages in both categories: Intervention + Better than daily

41 pages in both categories: Intervention + Loading dose for Vitamin D

8 pages in both categories: Intervention + HIV

20 pages in both categories: Intervention + Sports and Vitamin D

16 pages in both categories: Intervention + Hypertension

48 pages in both categories: Intervention + Breathing

71 pages in both categories: Intervention + Infant-Child

58 pages in both categories: Intervention + Pregnancy

6 pages in both categories: Intervention + Antibiotics, probiotics

39 pages in both categories: Intervention + Virus

6 pages in both categories: Intervention + Thyroid and parathyroid

22 pages in both categories: Intervention + Falls and Fractures

6 pages in both categories: Intervention + Fortification with Vitamin D

8 pages in both categories: Intervention + Cancer - Breast

7 pages in both categories: Intervention + Cancer

55 pages in both categories: Intervention + Diabetes

6 pages in both categories: Intervention + Overviews

20 pages in both categories: Intervention + Women

9 pages in both categories: Intervention + Mortality and D

19 pages in both categories: Intervention + Trauma and surgery

29 pages in both categories: Intervention + Pain - chronic

19 pages in both categories: Intervention + Depression

13 pages in both categories: Intervention + Kidney