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Evidence of Vit D Benefits
Health Problems and Vit D (left column)
87 proofs that Vit D works
Intervention Trials
Meta-analysis = Trial summary
Cost savings with Vit D
Quality of life, healthspan
Increases lifespan
Ways to get Vit D
How and when to take it
Restore in days/weeks
Sources of Vitanub D
Fortify your family foods
Vit D from sun near noon
UV- from lamps or sun
Food is a minor source
Take Vit D3, not D2
Forms of Vit D
Getting Vitamin D into your body
Gut-friendly forms
Injection
Topical (spray and cream)
Inhaled - experimental
If very poor liver - Calcidiol
If very poor kidney - Calcitriol
How much to take
Overview How Much vitamin D
Is the goal 50 ng of Vit D?
How to ask your doctor how much Vit D
Reasons for Vit D deficiency
High Risk of low Vit D
Dark Skin
Obese
Little access to sun
Shut-in
Genes can limit the benefits
Receptor gene can limit Vit D actually getting to cells
If born in wrong season need more Vit D
Deficiency overview
Vit D levels
World Recommends IU and ng for D
Optimum level of D
Consensus on levels of D needed
Health Problem about 10X more likely if low Vit D
30 problems have doubled in a decade
Increased use of Vit D
Test to see if dose is right for you
Vit D levels dropped by half in 20 years
22 reasons why Vit D has dropped
How often to take Vit D
Daily or weekly
Once every 2 weeks is great
Monthly sometimes better than daily
Quickly restore (loading dose)
Supplements - if >40 ng Vit D
Cofactors in a nutshell
Magnesium
Omega-3
Vitamin K
Boron
Calcium (reduce)
Iodine
Iron
Vitamin B12
Zinc
What I actually take (bulk)
Vitamin A (avoid extremes)
Vit D levels around the world
World
Canada
Europe
Far from equator
Middle East
Orient
Australia & New Zealand
Rare problems if too much Vit D
Toxicity of Vit D (rare)
Too much Vit D
Drug potency may change
Charts
Health problems decrease
Charts by GrassrootsHealth
Vit D and the brain
Top charts
Search for a chart
Videos & Books
5 min. Video by VitaminDWiki
Books and videos
Book - High dose to treat MS
Book - High dose
Search
In your language
For a chart
Web for medical articles
For items in a pair of categories
More information
Top news items
Popular pages
Diseases related to low D
Increased use of Vit D
Low response to Vit D - many reasons
About us
What might stop you from starting Vit D
Antibiotics health problems are eerily similar to those due to low Vit D
Why are doctors reluctant to accept Vit D
Patents for Vit D
Animals need Vit D too
Overviews (60+)
Subject categories in VitaminDWiki
Off Topic (not about Vit D)
VitaminDWiki
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36
About D - introduction
115
About D - more info.
183
Books, videos on Vitamin D
367
Deficiency of Vitamin D
47
Evidence for D
660
Intervention
20
Better than daily
206
Intervention - non daily
492
Meta-analysis of Vitamin D
108
Food sources for Vitamin D
111
Fortification with Vitamin D
91
Forms of Vitamin D
27
Calcidiol
48
Calcitriol
56
Injection
95
Health
38
ADHD
135
Autism
169
Autoimmune
39
Back pain
14
Bipolar
273
Bone - Health
389
Breathing
215
Cancer
15
Cancer - Liver
87
Cancer - after diagnosis
25
Cancer - Bladder
224
Cancer - Breast
118
Cancer - Colon
16
Cancer - Leukemia
50
Cancer - Lung
23
Cancer - Lymphoma
55
Cancer - Other
21
Cancer - Ovarian
55
Cancer - Pancreatic
94
Cancer - Prostate
110
Cancer - Skin
432
Cardiovascular
47
Cholesterol
294
Cognitive
41
Cystic Fibrosis
81
Dental
217
Depression
466
Diabetes
12
Ear
14
Epilepsy
223
Falls and Fractures
110
Fertility and sperm
272
Genetics
35
CYP27B1
393
Vitamin D Receptor
142
Vit D Binding Protein
171
Gut
36
Headache
39
HIV
137
Hypertension
197
Immunity
622
Infant-Child
137
Inflammation
197
Kidney
23
Kidney Stones
88
Liver
61
Lupus
86
Metabolic Syndrome
358
Multiple Sclerosis
355
Obesity
51
Osteoarthritis
192
Osteoporosis
138
Pain - chronic
1
Parathyroid
82
Parkinson
759
Pregnancy
56
Psoriasis
101
Rheumatoid Arthritis
120
Rickets
346
Seniors
97
Skin
430
Skin - Dark
77
Sleep
18
Spinal Cord
97
Stroke
71
Thyroid and parathyroid
287
Trauma and surgery
108
Tuberculosis
528
Virus
34
Virus-Pregnancy
77
Vision
142
Women
151
Youth
333
How much Vitamin D
9
Follow-thru
76
Optimum
400
Images of D
103
Interactions with Vitamin D
26
Glyphosate
47
More D topics
81
Antibiotics, probiotics
43
Conference
52
Consensus
139
Cost savings with Vitamin D
51
High Risk
33
Shut-in
47
How, when to take Vit. D
41
Increased use of D
166
Loading dose for Vitamin D
16
Microbiome
116
Overview for doctors
18
Greger
29
Patent
65
Predict Vitamin D
22
Quality of Life
22
Season of Birth
227
Mortality and D
33
Too much D
303
Noontime sun and D
133
Off Topic
76
Overviews
235
Sports and Vitamin D
97
Supplement
10
Curcumin
24
Iodine
37
Resveratrol
43
Vitamin B12
4
Vitamin C
29
Vitamin D and Boron
194
Vitamin D and Calcium
54
Vitamin D and Iron
263
Vitamin D and Magnesium
332
Vitamin D and Omega-3
54
Vitamin D and Vitamin A
127
Vitamin D and Vitamin K
55
Zinc
111
Technical D
143
Tests for Vitamin D
815
Top news
97
Toxicity of Vitamin D
40
Treatment by Vitamin D
338
UV and Vitamin D
133
Veterinary and Vitamin D
101
Vitamin D3 instead of D2
14
World
25
Africa
136
Middle East
54
Orient
111
Vitamin D Far from equator
63
Vitamin D in Australia and New Zealand
47
Vitamin D in Canada
209
Vitamin D in Europe
11
Z
2
Alternate name
146
Category
417
old name
18
Video page names
3
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Content
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Deep search
About D - introduction
About D - more info.
Books, videos on Vitamin D
Deficiency of Vitamin D
Evidence for D
Intervention
Better than daily
Intervention - non daily
Meta-analysis of Vitamin D
Food sources for Vitamin D
Fortification with Vitamin D
Forms of Vitamin D
Calcidiol
Calcitriol
Injection
Health
ADHD
Autism
Autoimmune
Back pain
Bipolar
Bone - Health
Breathing
Cancer
Cancer - Liver
Cancer - after diagnosis
Cancer - Bladder
Cancer - Breast
Cancer - Colon
Cancer - Leukemia
Cancer - Lung
Cancer - Lymphoma
Cancer - Other
Cancer - Ovarian
Cancer - Pancreatic
Cancer - Prostate
Cancer - Skin
Cardiovascular
Cholesterol
Cognitive
Cystic Fibrosis
Dental
Depression
Diabetes
Ear
Epilepsy
Falls and Fractures
Fertility and sperm
Genetics
CYP27B1
Vitamin D Receptor
Vit D Binding Protein
Gut
Headache
HIV
Hypertension
Immunity
Infant-Child
Inflammation
Kidney
Kidney Stones
Liver
Lupus
Metabolic Syndrome
Multiple Sclerosis
Obesity
Osteoarthritis
Osteoporosis
Pain - chronic
Parathyroid
Parkinson
Pregnancy
Psoriasis
Rheumatoid Arthritis
Rickets
Seniors
Skin
Skin - Dark
Sleep
Spinal Cord
Stroke
Thyroid and parathyroid
Trauma and surgery
Tuberculosis
Virus
Virus-Pregnancy
Vision
Women
Youth
How much Vitamin D
Follow-thru
Optimum
Images of D
Interactions with Vitamin D
Glyphosate
More D topics
Antibiotics, probiotics
Conference
Consensus
Cost savings with Vitamin D
High Risk
Shut-in
How, when to take Vit. D
Increased use of D
Loading dose for Vitamin D
Microbiome
Overview for doctors
Greger
Patent
Predict Vitamin D
Quality of Life
Season of Birth
Mortality and D
Too much D
Noontime sun and D
Off Topic
Overviews
Sports and Vitamin D
Supplement
Curcumin
Iodine
Resveratrol
Vitamin B12
Vitamin C
Vitamin D and Boron
Vitamin D and Calcium
Vitamin D and Iron
Vitamin D and Magnesium
Vitamin D and Omega-3
Vitamin D and Vitamin A
Vitamin D and Vitamin K
Zinc
Technical D
Tests for Vitamin D
Top news
Toxicity of Vitamin D
Treatment by Vitamin D
UV and Vitamin D
Veterinary and Vitamin D
Vitamin D3 instead of D2
World
Africa
Middle East
Orient
Vitamin D Far from equator
Vitamin D in Australia and New Zealand
Vitamin D in Canada
Vitamin D in Europe
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old name
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High dose ACTIVE vitamin D chronotherapy with kidney
circadian rhythms of vitamin D in horses - 2004
Diurnal active vitamin D variations - 2002.pdf
Takes a year to restore children and youths to good levels of vitamin D without loading dose - RCT Dec 2016
1,100 IU Vitamin D needed to get most to 20 ng (look at individual not summary data) – April 2018
5000 IU raised vitamin D levels 10 ng but did not raise cognition in young adults – Nov 2011
60,000 IU vitamin D weekly for 3 months lasts for another 3 months - April 2013
Acute respiratory infection worsened by too infrequent vitamin D supplementation – RCT June 2015
Breastfeeding with daily or monthly doses of vitamin D virtually the same – RCT Dec 2013
Decrease Calcium and Increase Magnesium when increasing vitamin D
Directly Observed Vitamin D therapy is one of many ways to increase compliance – RCT Feb 2017
Elite Athletes do well with weekly 35,000 IU of Vitamin D – RCT Feb 2017
Falls not prevented by vitamin D given every 3 months or less often – meta-analysis Jan 2015
High poly-fat meal, raised vitamin D, low fat, lowered D – Dec 2011
How I am reminded to take my Vitamin D once every 4 days
How to get Vitamin D and cofactors without taking pills
How you might double your response to vitamin D
How, when to take Vit. D
Increased vitamin D in blood by 56% by taking supplement with largest meal of the day - May 2010
Increasing the ratio of mono to poly fats increased Vitamin D levels by 6 ng – RCT Aug 2011
Just mark your calendar for vitamin D days
Less response to 800 IU of Vitamin D by Africans than natives in Finland – RCT March 2018
Monthly vitamin D (120,000 IU) got most overweight African Americans about 35 ng – RCT July 2015
Monthly Vitamin D had a 20 percent better response than quarterly – small RCT April 2019
No long term differences in vitamin D levels with amount of fat in breakfast – Feb 2013
Optimal vitamin D supplementation strategies (D3 - weekly or monthly) – Feb 2017
People reported taking pills, pills were all gone, but occasionally bottles were not opened – Dec 2015
Perhaps not take vitamin D in the evening
Quarterly vitamin D3 is too infrequent – it increases the occurrence of pneumonia – June 2012
Response to vitamin D increased 30 percent with Magnesium - Nov 2018
Review of Vitamin D (including free, frequency, injection, how much.) – Sept 2013
Same dose of vitamin D for everyone is virtually impossible - Dec 2015
Take vitamin D with or before evening meal
The many reasons why Vitamin D trials fail – Oct 2020
Vitamin D – monthly dosing was better than daily with Calcium – RCT Dec 2015
Vitamin D 30 percent more available at breakfast which had high fat content – Nov 2014
Vitamin D bioavailability in the gut– review Sept 2017
Vitamin D daily or weekly dosing resulted in similar response -RCT Jan 2016
Vitamin D dosing every three months is not often enough – found again – Jan 2016
Vitamin D less costly if give 100,000 IU monthly (but 50,000 IU biweekly should save more money) – July 2019
Vitamin D needed on a daily basis (other reseach shows infrequent doses are OK) – Oct 2013
Vitamin D once every two weeks is OK, daily is nice but not required – Aug 2014
Vitamin D RDA of 600 IU is not enough - global RCT meta-analysis March 2019
Vitamin D with or before a meal: small Swiss study, no conclusion – Feb 2013
When to take Vitamin D
Getting Vitamin D into your body
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Health Problems and D
Acne
(20+) studies)
Attention Deficit Hyperactivity Disorder
(38+)
Allergy
Overview
Amyotrophic Lateral Sclerosis
(30+)
Alzheimer's
Overview
Ankylosing Spondylitis
(15+)
Antibiotics & Pro
(84+)
Overview
Arthritis see:
Osteo
Rheum
Asthma
Overview
Atopic Dermatitis Overview
(18+)
Autism
(135+)
Overview
Autoimmune
(169+)
Back Pain
(39+)
Bipolar Disorder
(14+)
Bone - Health
(273+)
Breathing
(389+)
Burns, wounds
(30+)
Cancer
(215+)
Overview
After diagnosis
(87+)
Bladder
(25+)
Breast
(224+)
Overview
Colon
(118+)
Overview
Leukemia
(16+)
Liver
(14+)
Lung
(50+)
Overview
Lymphoma
(23+)
Other
(55+)
Ovarian
(21+)
Pancreatic
(55+)
Prostate
(94+)
Overview
Skin
(110+)
Overview
Cardiovascular
(431+)
Overview
Carpal Tunnel Syndrome
(12+)
Cerebral Palsy
(6+)
Cholesterol
(47+)
Overview Cholesterol and vitamin D
)
Chronic Fatigue
Overview
Cognitive
(294+)
Overview
Colds and flu
Overview
Concussions
(25+)
Chronic obstructive pulmonary disease
(17+)
COVID-19
(528+)
Cystic Fibrosis
(41+)
Dental
(80+)
Depression
(217+)
Diabetes
(463+)
Overview
Diseases gen.+ misc,
(93+)
Ear
(11+)
Endometriosis
(8+)
Epilepsy
(14+)
Falls/Fractures
(223+)
Overview
Fatigue, Chronic
Overview
Fertility and sperm
(110+)
Fibromyalgia
Overview
Fractures
Overview
Fraility
(16+)
Genetics
(272+)
CYP27B1
(35+)
Vit D Binding
(141+)
Vit D Receptor
(393+)
Gestational Diabetes
(34+)
Gout
(13+)
Gut
(171+)
Overview
Hair
(20+)
Headache
(36+)
Health - general
(95+)
Hepatitis-B
(9+)
Hepatitis-C
(13+)
Human Immunodeficiency Virus
(39+)
Overview
Hives
(10+)
Hypertension
(137+)
Overview
Hyperparathyroid
Overview
Immunity
(197+)
Infant-Child – moved to bottom
Inflammation
(137+)
Infection
(16+)
Influenza
Overview
Jaundice
(4+)
Kidney
(197+)
Overview
Kidney Stones
(23+)
Overview
Leprosy
(16+)
Liver
(88+)
Overview
Lupus
(61+)
Myalgic Enceph.
Overview
Mental Illness
(20+)
Mental Stress
(5+)
Metabolic Syndrome
(86+)
Overview
Migraine Headache
(4+)
Military – moved to bottom
Mortality
(200+)
Multiple Sclerosis
(356+)
Overview
Muscle
(18+)
Myopia
(17+)
Obesity
(355+)
Overview
Osteoarthritis
(51+)
Overview
Osteoporosis
(192+)
Overview
Pain - chronic
(138+)
Overview
Parkinson
(82+)
Overview
Photosensitivity
(3+)
Pneumonia
(15+)
Pollution
(31+)
Pregnancy
(758+)
Overview
Psoriasis
(56+)
Raynaud's
(4+)
Respiratory Tract Infection
(8+)
Restless Legs Syndrome
(15+)
Rheum. Arth
(101+)
Overview
Rickets
(120+)
Overview
Sarcopenia
(28+)
Schizophrenia
Overview
Seniors – moved to bottom
Sepsis
(16+)
Shingles
(15+)
Shin splints
(4+)
Sickle Cell
(17+)
Overview
Skin
(97+)
Overview
Dark
(430+)
Overview
Sleep
(77+)
Smoking
(33+)
Spinal Cord
(18+)
Spinal Surgery
(13+)
Sports – moved to bottom
Statins
(40+)
Stroke
(97+)
Overview
Suicide
(16+)
Thyroid/Parath.
(71+)
Overview
Trauma and surgery
(282+)
Tuberculosis
(108+)
Overview
Urinary Tract Infection
(15+)
Vertigo
(18+)
Virus
(528+)
Vision
(77+)
Women – moved to bottom
Youth – moved to bottom
People and Low Vitamin D
Infant-Child
(617+)
Military
(27+)
Seniors
(346+)
Overview
Sports
(235+)
Overview
Women
(142+)
Overview
Youth
(150+)
# of studies as of Mar 4, 2021