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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
26
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
758
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
527
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
132
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
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2
Alternate name
146
Category
417
old name
18
Video page names
3
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About D - introduction
About D - more info.
Books, videos on Vitamin D
Deficiency of Vitamin D
Evidence for D
Intervention
Better than daily
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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
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Cancer - Other
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Fertility and sperm
Genetics
CYP27B1
Vitamin D Receptor
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Gut
Headache
HIV
Hypertension
Immunity
Infant-Child
Inflammation
Kidney
Kidney Stones
Liver
Lupus
Metabolic Syndrome
Multiple Sclerosis
Obesity
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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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Veterinary and D
circadian rhythms of vitamin D in horses - 2004
UVB for african parrot - 2004
Fat-soluble vitamins vary during the day in horse- 2003.pdf
Canaries in the coal mine - increase in mammal weight - Nov 2010
2X Daily variation of vitamin D in horses - 2008
Chart vitamin D variation in horses during the day
UV bulb spectrums for reptiles
Reptile UV
Horse feed adds about 300 iu per pound
Sun cured hay has high levels of vitamin D
Why Do Cats Lick Themselves.
UVB better than Vit D supplements for pet reptiles
uvb better than vitamin D for iguana
Calf with equiv 1930 IU daily 2009
Chart: Calf with 1930 IU is high dose
Reptiles limit their UV to a few hours per day
You can tan without any 300 nm uv - 2008
More sunspot and UV-B associated with more moths - 2004
Vitamin Tolerance of Animals A, Bs, D, E, K - 1987.pdf
Is HyD (25(OH)D) a better form of vitamin D for some animals and maybe humans with liver problems
Cows get 30 IU per KG
Sick birds need UV
UVB Reptile
Vitamin D3 and pet birds
Fresh hay has 2000 IU of vitamin D per kilogram
Vitamin D increased absorption of Phosphorus and Calcium in steers – April 2012
Feed chicken lots of vitamin D, get 6000 IU per egg with no change in production – Nov 2013
10 million IU of vitamin D3 for cows was great unless had vitamin D2 – July 2011
130% more piglets after giving gilt Calcidiol, a form of vitamin D – Nov 2012
200 IU per 100 gram of egg yoke when add vitamin D to poultry feed in Europe – Aug 2011
3 primates have higher levels of vitamin D than clothed humans, level varies between individuals – April 2015
3 proven ways to increase Vitamin D in eggs – Aug 2020
6 days of 7,000,000 IU of vitamin D improved the resulting beef – June 2011
Active vitamin D increased fractional rate of protein synthesis in chickens by 3X – March 2015
Acute pancreatitis in dogs is associated with low vitamin D (lowest D equals death) – Aug 2017
Animals get a lot more vitamin D than minimum recommended for humans – 2016
Atopic dermatitis treated by Vitamin D (in dogs too) - RCT Feb 2018
Beef was more tender and contained more vitamin D when finishing diet included 4,000 IU of Vitamin D – Dec 2017
Behavior changes due to low vitamin D – in rodents – Nov 2015
Bone strength increased when sow and piglets had enough Vitamin D and Phosphorus – April 2015
Boron is vital for animal (and human) health – Dec 2018
Breed cows based on vitamin D production – Aug 2013
Calves do well with 1930 IU of vitamin D - 6X more that feed recommendations - May 2010
Cats with feline HIV and hospitalized cats have low levels of vitamin D – Nov 2015
Cattle need 66 IU of vitamin D per pound
Chicken bones, eggs, and activated vitamin D in eggs increased with 2 hours of daily UVB – Dec 2019
Chicken meat with lots of Omega-3 – available, US patent applied for – Aug 2019
Chinchillas are another furry animal which makes vitamin D from UVB – May 2014
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Health Problems and D
Acne
(20+) studies)
Attention Deficit Hyperactivity Disorder
(85+)
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
(167+)
Back Pain
(37+)
Bipolar Disorder
(14+)
Bone - Health
(272+)
Breathing
(387+)
Burns, wounds
(30+)
Cancer
(212+)
Overview
After diagnosis
(87+)
Bladder
(25+)
Breast
(223+)
Overview
Colon
(118+)
Overview
Leukemia
(16+)
Liver
(14+)
Lung
(50+)
Overview
Lymphoma
(22+)
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
(293+)
Overview
Colds and flu
Overview
Concussions
(25+)
Chronic obstructive pulmonary disease
(17+)
COVID-19
(350+)
Cystic Fibrosis
(41+)
Dental
(80+)
Depression
(217+)
Diabetes
(463+)
Overview
Diseases gen.+ misc,
(93+)
Ear
(11+)
Endometriosis
(8+)
Epilepsy
(14+)
Falls/Fractures
(222+)
Overview
Fatigue, Chronic
Overview
Fertility and sperm
(101+)
Fibromyalgia
Overview
Fractures
Overview
Fraility
(16+)
Genetics
(272+)
CYP27B1
(35+)
Vit D Binding
(141+)
Vit D Receptor
(391+)
Gestational Diabetes
(34+)
Gout
(13+)
Gut
(170+)
Overview
Hair
(20+)
Headache
(34+)
Health - general
(92+)
Hepatitis-B
(9+)
Hepatitis-C
(13+)
Human Immunodeficiency Virus
(39+)
Overview
Hives
(10+)
Hypertension
(136+)
Overview
Hyperparathyroid
Overview
Immunity
(195+)
Infant-Child – moved to bottom
Inflammation
(135+)
Infection
(16+)
Influenza
Overview
Jaundice
(4+)
Kidney
(193+)
Overview
Kidney Stones
(23+)
Overview
Leprosy
(16+)
Liver
(88+)
Overview
Lupus
(60+)
Myalgic Enceph.
Overview
Mental Illness
(20+)
Mental Stress
(5+)
Metabolic Syndrome
(85+)
Overview
Migraine Headache
(4+)
Military – moved to bottom
Mortality
(200+)
Multiple Sclerosis
(356+)
Overview
Muscle
(18+)
Myopia
(17+)
Obesity
(353+)
Overview
Osteoarthritis
(51+)
Overview
Osteoporosis
(192+)
Overview
Pain - chronic
(138+)
Overview
Parkinson
(82+)
Overview
Photosensitivity
(3+)
Pneumonia
(15+)
Pollution
(31+)
Pregnancy
(756+)
Overview
Psoriasis
(55+)
Raynaud's
(4+)
Respiratory Tract Infection
(8+)
Restless Legs Syndrome
(15+)
Rheum. Arth
(101+)
Overview
Rickets
(119+)
Overview
Sarcopenia
(28+)
Schizophrenia
Overview
Seniors – moved to bottom
Sepsis
(16+)
Shingles
(15+)
Shin splints
(4+)
Sickle Cell
(17+)
Overview
Skin
(97+)
Overview
Dark
(419+)
Overview
Sleep
(74+)
Smoking
(33+)
Spinal Cord
(18+)
Spinal Surgery
(13+)
Sports – moved to bottom
Statins
(40+)
Stroke
(97+)
Overview
Suicide
(16+)
Thyroid/Parath.
(70+)
Overview
Trauma and surgery
(282+)
Tuberculosis
(108+)
Overview
Urinary Tract Infection
(15+)
Vertigo
(18+)
Virus
(470+)
Vision
(77+)
Women – moved to bottom
Youth – moved to bottom
People and Low Vitamin D
Infant-Child
(617+)
Military
(27+)
Seniors
(345+)
Overview
Sports
(234+)
Overview
Women
(140+)
Overview
Youth
(150+)
# of studies as of Jan 22, 2011