Toggle Health Problems and D

Units Conversion

The blood level of 25 (OH) Vitamin D

nanograms/milliliter (ng/ml) and nanomoles/Liter (nmol/L)
1 ng/ml = 2.5 nmol.L
30 ng/ml = 75 nmol/L

Dose: International Units and micrograms

40 I.U. = 1 mcg
400 I.U. = 10 mcg
1000 I.U. = 25 mcg
50,000 I.U = 1250 mcg or 1.25 mg (milligram)

Units Conversion

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Health Problems and D

16,000+ pages in VitaminDWiki
Topic (# in topic)

Acne (20+ studies)

Attention Deficit Hyperactivity Disorder/ADHD (53+)

Alcohol (29+)

Allergy (120+) Overview

Amyotrophic Lateral Sclerosis/ALS (30+)

Alzheimer's (81+) Overview

End of Alz. (15+)

Ankylosing Spondylitis (20+)

Antibiotics/Probiotics (92+) Overview

Asthma (145+) Overview

Vit. D Receptor (11+)

Atopic Dermatitis Overview (18+)

Autism (168) Overview

Vit. D Receptor (14+)

Transgender (19+)

Autoimmune (207+)

Systemic Sclerosis (10+)

Back Pain (44+)

Lumbar Degeneration (14+)

Bipolar Disorder (17+)

Bone - Health (317+)

BMD, Bone loss (55+)

Breathing (463+)

Hay Fever (20+)

Pneumonia (50+)

Respiratory (82+)

Burns/Wounds (30+)

Cancer (303+) Overview

After diagnosis (117+)

Bladder (28+)

Bone (8+)

Breast (263+) Overview

Child (16+)

Colon (147+) Overview

Endometrial (5+)

Gastric (9+)

Head and Neck (10+)

Leukemia (19+)

Liver (17+)

Lung (55+) Overview

Lymphoma (26+)

Mg and Cancer (13+)

Melanoma (43+)

Multiple Myeloma (10+)

Metastatic (17+)

Obesity (13+)

Other (69+)

Ovarian (26+)

Palliative Care (10+)

Pancreatic (59+)

Prostate (106+) Overview

Skin (121+) Overview

Survive (37+)

Thyroid (7+)

Cardiovascular (535+) Overview

Atherosclerosis (56+)

Atrial Fibrillation (20+)

Blood clotting (18+)

Heart Failure (47+)

HRV (10+)

Omega-3 (38+)

Statins (80+)

Carpal Tunnel Syndrome (12+)

Cerebral Palsy (6+)

Cholesterol (52+) Overview

Chronic Fatigue (7) Overview

Cognitive (401+) Overview

Anesthesia ==> Cog

Brain (103+)

Delirium (9+)

Dementia (50+)

Mental Illness (300+)

Mental Stress (10+)

Colds/flu Overview

Concussions (25+)

Chronic obstructive pulmonary disease/COPD (17+)

COVID-19 (1430+)

Cystic Fibrosis (53+)

Dental (119+)

Fluoridation (16)

Implant & Vit. D (7)

Periodontitis (32+)

Depression (272+)

Anxiety ( 11+)

Omega-3 (29)

SAD (9)

Diabetes (562+) Overview

Hemodialysis (41+)

Magnesium (27+)

Meta-analyses (39+)

Metabolic Syndrome + Mg

Neuropathy (15+)

Prediabetes (30+)

Red Meat (4+)

Retinopathy (8+)

Type 1 Diabetes (46+)

Vitamin D Receptor (23+)

Zinc (5+)

Diseases general (126+)

Ear (18+)

Otitis Media (10+)

Endometriosis (8+)

Falls/Fractures (260+) Overview

Fatigue, Chronic Overview

Fertility/Sperm (147+)

Erectile Dysfunction (12+)

In Vitro Fert. (18+)

Testosterone (14+)

Fibromyalgia Overview

Fractures Overview

Ankle (16+)

Bone & Stress Fractures

Bone Mineral Density (28+)

Children (16+)

Hip Fractures (68+)

Vertigo (22+)

Genetics (346+)

CYP24A1 (31+)

CYP24R1 (25+)

CYP27B1 (63+)

Epigenetics (18+)

Telomere (12+)

Vit D Binding (178+)

Vit D Receptor (534+)

Cancer in VDR (79+)

Gestational Diabetes (34+)

Gout (13+)

Gut (215+) Overview

Bariatric (15+)

Celiac (7+)

Clostridium difficile (9+)

Crohn's (38+)

IBD (28+)

IBS (18+)

Ulcerative Colitis (12+)

Hair (20+)

Alopecia Areata (8+)

Health - general (120+)

Human Immunodeficiency Virus/HIV (46+) Overview

Hives (10+)

Hypertension (170+) Overview

Pregnancy (41+)

Hyperparathyroid Overview

Immunity (278+)

Inflammation (176+)

CRP (19+)

Infection (141+)

Helicobacter pylori (14+)

Influenza Overview

Kidney (238+) Overview

Chronic Kidney (63+)

Dialysis (39+)

Kidney Stones (30+) Overview

Leprosy (16+)

Liver (107+) Overview

Hepatitis-B (12+)

Hepatitis-C (13+)

NAFLD (27+)

Lyme Disease (9+)

Lupus (80+)

Mental Illness (20+)

Mental Stress (5+)

Metabolic Syndrome (107+) Overview

Mortality (296+)

Multiple Sclerosis (423+) Overview

Genetics and Receptor (32+)

Virus (16+)

Muscle (113+)

Handgrip (12+)

Sarcopenia (30+)

Muscular Dystrophy (9+)

Myopia (17+)

Obesity (450+)Overview

Cancer (13+)

Child & Youth (60+)

Vitamin D Receptor (16+)

Virus and Obesity (25+)

Weight Loss (31+)

Osteoarthritis (62+) Overview

Knee (26+)

Osteoporosis (225+) Overview

BMD (26+)

Pain - chronic (169+) Overview

Magnesium (13+)

Pancreatitis (20+)

Parkinson's (121+) Overview

Pneumonia (22+)

Pollution (31+)

Pregnancy (942+) Overview

Breastfed (38+)

Caesarean (15+)

Depression (21+)

Dark Skin (30+)

Gestational Diabetes (41+)

In Vitro Fert. (20+)

Iodine (28+)

Low Birth Weight (23+)

Magnesium (30+)

Miscarriage (38+)

Multiple Sclerosis (13+)

Omega-3 before and during (49+)

PCOS (15+)

Placenta (13+)

Preeclampsia (63+)

Preterm (156+)

Preterm - Omega-3 (13+)

Stillbirth (12+)

Vaccination (8+)

Prostate - BPH (16+)

Psoriasis (72+)

Respiratory Tract Infection/RTI (8+)

Restless Legs Syndrome (15+)

Rheumatoid Arthritis (121+) Overview

Juvenile RA (9+)

Rickets (128+) Overview

Sarcopenia (28+)

Schizophrenia Overview

Sepsis (201+)

Sickle Cell (20+) Overview

Skin (123+) Overview

Aging

Atopic Dermatitis(27+)

Hives

Vitiligo (8+)

Sleep (103+)

Sleep Apnea(12+)

Smoking (83+)

Spinal Cord (21+)

Spinal Surgery (13+)

Statins (40+)

Stroke (136+) Overview

Cognitive Impairment (15+)

Depression (9+)

Ischemic (21+)

Thyroid/Parath. (83+) Overview

PTH (34+)

Trauma/Surgery (361+)

Bariatric surgery (12+)

Bone surgery (23+)

ICU & Loading Dose (69+)

Need Vit D (69+)

Ortho. & Hip (69+)

Sepsis (41+)

Transplant (31+)

Traumatic Brain Injury (35+)

Tuberculosis (125+) Overview

Urinary Tract Infection (15+)

Virus (1430+)

All studies

Bird Flu

Cardiovascular (19+)

Cancers after VAX (17+)

Child (64+)

Child - years after VAX (11+)

Cognitive (10+)

Dark Skin (20+)

Dengue (27+)

Epstein-Barr Virus (20+)

Excess Deaths (23+)

Hepatitis (29+)

Herpes or Shingles (13+)

Ivermectin (35+)

Long-COVID (72+)

Magnesium (60+)

Masks (11+)

Meta-analyses (40+)

Omega-3 (14+)

Pfizer (20+)

Pregnancy (8+)

RSV (12+)

Ultraviolet light (16+)

Vaccination (313+)

Vitamin D (713+)

Vitamin D Receptor (31+)

Vitamin K

Zinc (32+)

Vision (113+)

Cataracts (13+)

Diabetic Retinopathy (8+)

Dry Eye (12+)

Glaucoma (8+)

Macular Degeneration (20+)

Myopia (20+)

Uveitis (10+)

People and Low Vitamin D

Infant/Child (870+)

Allergy (36+)

Cancer (17+)

Cerebral Palsy (15+)

Down Syndrome (5+)

Fracture, low energy (10+)

Growing Pains (10+)

Pneumonia (25+)

Preemie (26+)

Puberty early if low D (9+)

Respiratory (31+)

RSV (25+)

Tic Disorders (7+)

Tonsils (9+)

Vaccination (24+)

Virus (42+)

Military (27+)

Veterans (17+)

Prisoners (14+)

Seniors (437+) Overview

Aging (38+)

Essential Tremor (4+)

Frailty (20+)

Longevity (47+)

Nursing Homes (19+)

Orthostatic Hypotension (10+)

Sarcopenia (25+)

Urinary incontinence (15+)

Vertigo (22+)

Skin - Dark (473+) Overview

Diabetes (24+)

Pregnancies (30+)

Sports (284+) Overview

Exercise (68+)

Muscle (138+)

Traumatic Brain Inj. (24+)

Women (198+) Overview

Endometriosis (25+)

Incontinence (16+)

Menopause (17+)

PCOS

Premenstrual Syndrome (20+)

Uterine Fibroid (13+)

Yeast Infection

Youth (178+)

Early Puberty (15+)

Locations

World (14+)

Aust NZ (70+)

Africa (28+)

Europe (234+)

India (65+)

Iceland (40+)

Middle East (154+)

Orient (77+)

Russia (12+)

Scotland (20+)

Far from Equator (125+)

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A list includes 313+ pages having many studies
# of studies as of May 28, 2025
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