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Toggle Health Problems and D

meta-analysis admin test with 55 associations

Whereas, hand-coding version of this page displays 31 assocations


Introduction

664 Meta-analyses

See also Overview Meta-analysis of Vitamin D
Unfortunately, a meta-analysis will frequently fail to consider one or more of the following

  1. Dose size (Some gave the same importance to 40 IU as 10,000 IU)
  2. Dose frequency (Some ignore differences between daily, weekly, monthly, and annual dosing)
  3. Duration, (Some gave same importance to 4 weeks as 4 years)
       It takes 3 to 12 months for vitamin D levels to come to a new plateau
       and it often takes months for the body to then utilize it
  4. Pre-existing Vitamin D blood level
       adding vitamin D does not provide much benefit if person alrady has a good level
  5. Cofactors (Most meta-analyses ignore the importance of Magnesium, Omega-3, Vitamin K2, etc)
  6. Type of Vitamin D - D3 far better than D2
  7. Those with poor guts need a different type of vitamin D
  8. Those who are Obese need 2.5 X more vitamin D
  9. Many drugs, such as statins deplete vitamin D or the Magnesium needed by Vitamin D
  10. For some health problems pulsed vitamin D, not daily, is far better (gets over possible Vitamin D receptor limitation)

See also Proof that Vitamin D Works

See also All items in category Intervention Vitamin D 822 items

See also Clinical Trials of vitamin D can have “biological flaws” – Jan 2015
See also Nice description of Meta-Analysis in Scientific American Jan 2014
See also The Misuse of Meta-analysis in Nutrition Research JAMA Sept 2017
". . . they have mixed apples and oranges—and sometimes “apples, lice, and killer whales”—yielding meaningless conclusions"
"In a 2007 review of 111 industry-funded (nutrition) studies, funding source was significantly related to study conclusions"

VitaminDWiki Comment on Scientific American article

It does not mention the major problems of Vitamin D Meta-analyses.
1) Dose sizes are ignored: Studies assume benefit from 400 IU is the same as for 4,000 IU
2) Durations are ignored: Studies assume benefit of 1 month dosing is the same as 1 year dosing
3) Existing Vitamin D levels are often ignored.
  Studies ignore that a 20 ng addition to a 10 ng person has vastly more benefit than a 20 ng addition to a 40 ng person
A rare example of a good meta-analysis is: one on depression - April 2014

Really great medical studies do not blindly give a single supplement/drug to a group, but rather treat the patients as individuals and provide extra Magnesium, Vitamin K2, Omega-3, Vitamin C, etc as needed. These studies, which have the best results, are not Random Controlled Trials and are virtually never included in a meta-analysis.

Likewise, the trials which give vitamin D to an entire country, or to all of the patients (immoral not to do so) are never considered by any meta-analysis

Vitamin D has climbed the pyramid for decades, but has not yet reached the top

Vitamin D Pyramid

International prospective register of on-going systematic reviews: 569 reviews of Vitamin D as of March 2020

PROSPERO

Intervention - Vitamin D includes the following:


Studies in VitaminDWiki

Year Randomized
Controlled
Trials
Interventions Meta-
analyses
2022900+700+ 600+
2017- 4852
2015698235
2012413839

Note: Govt recommendations in 2015 often ignored data after 2011


Meta-analysis category is associated with 52 other VitaminDWiki categories (>4 each)

       Click here for association information

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Summary of Associations

Associated category Associations
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Results

19 pages in both categories: Meta-analysis of Vitamin D + Trauma and surgery

25 pages in both categories: Meta-analysis of Vitamin D + Cancer - Colon

38 pages in both categories: Meta-analysis of Vitamin D + Vitamin D Receptor

25 pages in both categories: Meta-analysis of Vitamin D + Falls and Fractures

9 pages in both categories: Meta-analysis of Vitamin D + Cancer - Prostate

23 pages in both categories: Meta-analysis of Vitamin D + Vitamin D and Omega-3

42 pages in both categories: Meta-analysis of Vitamin D + Top news

15 pages in both categories: Meta-analysis of Vitamin D + Seniors

22 pages in both categories: Meta-analysis of Vitamin D + Cognitive

18 pages in both categories: Meta-analysis of Vitamin D + Depression

54 pages in both categories: Meta-analysis of Vitamin D + Pregnancy

12 pages in both categories: Meta-analysis of Vitamin D + Parkinson

22 pages in both categories: Meta-analysis of Vitamin D + Hypertension

25 pages in both categories: Meta-analysis of Vitamin D + Cancer - Breast

44 pages in both categories: Meta-analysis of Vitamin D + Virus

5 pages in both categories: Meta-analysis of Vitamin D + Thyroid and parathyroid

4 pages in both categories: Meta-analysis of Vitamin D + Cancer - Liver

4 pages in both categories: Meta-analysis of Vitamin D + How much Vitamin D

40 pages in both categories: Meta-analysis of Vitamin D + Diabetes

29 pages in both categories: Meta-analysis of Vitamin D + Mortality and D

5 pages in both categories: Meta-analysis of Vitamin D + Optimum

10 pages in both categories: Meta-analysis of Vitamin D + Stroke

8 pages in both categories: Meta-analysis of Vitamin D + Bone - Health

41 pages in both categories: Meta-analysis of Vitamin D + Cardiovascular

8 pages in both categories: Meta-analysis of Vitamin D + Skin

35 pages in both categories: Meta-analysis of Vitamin D + Breathing

26 pages in both categories: Meta-analysis of Vitamin D + Infant-Child

8 pages in both categories: Meta-analysis of Vitamin D + Vitamin D and Calcium

7 pages in both categories: Meta-analysis of Vitamin D + ADHD

9 pages in both categories: Meta-analysis of Vitamin D + Vitamin D and Magnesium

5 pages in both categories: Meta-analysis of Vitamin D + Autoimmune

7 pages in both categories: Meta-analysis of Vitamin D + Autism

4 pages in both categories: Meta-analysis of Vitamin D + Youth

5 pages in both categories: Meta-analysis of Vitamin D + Back pain

4 pages in both categories: Meta-analysis of Vitamin D + Vitamin D and Vitamin K

8 pages in both categories: Meta-analysis of Vitamin D + Women

4 pages in both categories: Meta-analysis of Vitamin D + UV and Vitamin D

4 pages in both categories: Meta-analysis of Vitamin D + Cancer - Lymphoma

16 pages in both categories: Meta-analysis of Vitamin D + Cancer

14 pages in both categories: Meta-analysis of Vitamin D + Tuberculosis

13 pages in both categories: Meta-analysis of Vitamin D + Kidney

6 pages in both categories: Meta-analysis of Vitamin D + Pain - chronic

9 pages in both categories: Meta-analysis of Vitamin D + Osteoporosis

6 pages in both categories: Meta-analysis of Vitamin D + Deficiency of Vitamin D

10 pages in both categories: Meta-analysis of Vitamin D + Gut

6 pages in both categories: Meta-analysis of Vitamin D + Cancer - Bladder

4 pages in both categories: Meta-analysis of Vitamin D + Cancer - Pancreatic

11 pages in both categories: Meta-analysis of Vitamin D + Evidence for D

6 pages in both categories: Meta-analysis of Vitamin D + Vision

13 pages in both categories: Meta-analysis of Vitamin D + Intervention

13 pages in both categories: Meta-analysis of Vitamin D + Sports and Vitamin D

7 pages in both categories: Meta-analysis of Vitamin D + Fertility and sperm

6 pages in both categories: Meta-analysis of Vitamin D + Loading dose for Vitamin D

14 pages in both categories: Meta-analysis of Vitamin D + Multiple Sclerosis

4 pages in both categories: Meta-analysis of Vitamin D + Fortification with Vitamin D

4 pages in both categories: Meta-analysis of Vitamin D + Liver

10 pages in both categories: Meta-analysis of Vitamin D + Obesity

4 pages in both categories: Meta-analysis of Vitamin D + Genetics

8 pages in both categories: Meta-analysis of Vitamin D + Rheumatoid Arthritis

4 pages in both categories: Meta-analysis of Vitamin D + Osteoarthritis

7 pages in both categories: Meta-analysis of Vitamin D + Cancer - Lung

4 pages in both categories: Meta-analysis of Vitamin D + Associations

6 pages in both categories: Meta-analysis of Vitamin D + Metabolic Syndrome

4 pages in both categories: Meta-analysis of Vitamin D + Sleep

6 pages in both categories: Meta-analysis of Vitamin D + Psoriasis

7 pages in both categories: Meta-analysis of Vitamin D + Vitamin D3 instead of D2




Created by admin. Last Modification: Tuesday July 19, 2022 21:20:58 GMT-0000 by admin. (Version 4)
meta-analysis admin test with 55 associations        
8217 visitors, last modified 19 Jul, 2022,
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