| 17 Autism risk factors: low Vitamin D, virus, vaccine, mercury etc. - many studies | | 23 Sep, 2025 |
| 300,000 IU of Vitamin D - many studies | | 26 Oct, 2024 |
| 5,000 IU of Vitamin D - many studies | | 22 Oct, 2023 |
| 50,000 IU of Vitamin D - many studies | | 07 Apr, 2024 |
| After COVID infection, Vitamin D helps - many studies | | 27 Feb, 2025 |
| Age-Related Macular Degeneration and Vitamin D - many studies | | 27 Jun, 2023 |
| Air Pollution reduces Vitamin D production - many studies | | 01 Nov, 2024 |
| Allergic diseases (dermatitis, rhinitis, asthma, food) and Vitamin D - many studies | | 19 Mar, 2025 |
| ALS fought by vitamin D - many studies | | 15 Jul, 2023 |
| Anemia and Vitamin D - many studies | | 23 Feb, 2025 |
| Ankylosing spondylitis and low vitamin D – many studies | | 23 Dec, 2024 |
| Antibiotic, Antimicrobial Resistance, and Vitamin D - many studies | | 27 Dec, 2024 |
| Anxiety, Vitamin D, Omega-3 - many studies | | 23 Feb, 2024 |
| Arteries and Atherosclerosis and Vitamin D - many studies | | 03 Jul, 2023 |
| Asthma is also fought by Magnesium - many studies | | 24 Feb, 2025 |
| Atopic Dermatitis and Eczema - many studies | | 11 Mar, 2021 |
| Atrial Fibrillation decreased by Vitamin D or Magnesium - many studies | | 11 Jul, 2023 |
| Autism much more likely if poor Vitamin D Receptor – many studies | | 25 Jun, 2023 |
| Avoiding the sun may be as bad as smoking - many studies | | 24 Apr, 2023 |
| Bariatric Surgery and Vitamin D - many studies | | 30 Apr, 2023 |
| Berberine: an antioxidant that activates the Vitamin D Receptor - many studies | | 03 Aug, 2024 |
| Bird flu possible pandemic (Vitamin D can prevent it)- many studies | | 22 Nov, 2024 |
| Bladder infection and Vitamin D - many studies | | 17 May, 2023 |
| Blood clotting (Thrombosis) and low Vitamin D - many studies | | 01 Jan, 2025 |
| Bone Mineral Density and Vitamin D - many studies | | 13 Apr, 2023 |
| Brain and Vitamin D - many studies | | 07 Jan, 2024 |
| Bread fortified with Vitamin D - many studies | | 27 Feb, 2023 |
| Breastfeeding and Vitamin D - many studies | | 29 Aug, 2023 |
| Burns, ulcers, and wounds healed by Vitamin D - many studies | | 08 Sep, 2023 |
| Caesarean birth much more likely if low Vitamin D - many studies | | 03 Apr, 2024 |
| Caffeine decreases Vitamin D in blood and cells - many studies | | 06 Sep, 2023 |
| Calcifediol (Calcidiol, semiactivated Vitamin D) - many studies | | 29 Jun, 2022 |
| Calcium and Vitamin K2 - many studies | | 11 Apr, 2023 |
| Calcium to Magnesium Ratio - many studies | | 08 Aug, 2022 |
| Cancer and Vitamin D - many studies | | 27 Oct, 2022 |
| Cancer during childhood - many studies | | 25 Nov, 2022 |
| Cancer stem cells and Vitamin D - many studies | | 30 Oct, 2022 |
| Cancer, Vitamin D - many studies | | 11 Feb, 2025 |
| Cardiovascular Disease is treated by Vitamin D - many studies | | 26 Oct, 2022 |
| Cardiovascular problems reduced by Omega-3 - many studies | | 22 Nov, 2023 |
| Caries (tooth decay) and Vitamin D - many studies | | 09 Aug, 2023 |
| Carpal tunnel syndrome and low vitamin D - many studies | | 08 May, 2023 |
| Cataracts and Vitamin D - many studies | | 28 Apr, 2023 |
| CBD - many studies | | 07 Nov, 2024 |
| Cerebral Palsy and Vitamin D - many studies | | 18 Oct, 2022 |
| Chemotherapy and vitamin D - many studies | | 05 Mar, 2023 |
| Child Obesity and Vitamin D - many studies | | 10 Jan, 2023 |
| Childhood Cancers - Vitamin D can help - many studies | | 20 Jan, 2024 |
| Children and COVID - many studies | | 24 Oct, 2022 |
| Chronic Hives treated by Vitamin D - many studies | | 16 Jul, 2023 |
| Chronic Kidney Disease needs Vitamin D - many studies | | 26 Feb, 2025 |
| Coimbra high-dose vitamin D protocol - many studies | | 10 Nov, 2023 |
| Cola Soft Drinks reduce Calcium, Vitamin D, and Magnesium - many studies | | 22 Sep, 2025 |
| COPD fought by Vitamin D - many studies | | 23 Oct, 2023 |
| Coronary Artery Disease and Vitamin D - many studies | | 20 Sep, 2023 |
| Coronavirus travels on air pollution - many studies | | 22 Jun, 2023 |
| COVID and other Virus fought by UV - many studies | | 03 Mar, 2023 |
| COVID and Zinc - many studies | | 12 Feb, 2023 |
| COVID associated with less Vitamin K2-7 - many studies | | 05 Dec, 2023 |
| COVID death 12X more likely if poor Vitamin D Receptor (less D gets to cells) - many studies | | 24 Mar, 2024 |
| COVID infection might prevent infection better than vaccinations - transcript and many studies | | 11 Oct, 2022 |
| COVID infections and vaccinations decrease Vitamin D – many studies | | 15 Jan, 2024 |
| COVID is also associated with low Vitamin K - many studies | | 30 Jan, 2022 |
| Crohn's and Vitamin D - many studies | | 29 Dec, 2022 |
| CYP24A1 gene and Vitamin D - many studies | | 16 May, 2023 |
| CYP2R1 gene reduces response to Vitamin D - many studies | | 10 Feb, 2023 |
| Dark Skin Diabetics and Vitamin D - many studies | | 14 Feb, 2025 |
| Dark skin pregnancies and Vitamin D - many studies | | 17 Mar, 2024 |
| Delirium more likely if low vitamin D - many studies | | 09 Feb, 2023 |
| Dementia is associated with low vitamin D - many studies | | 02 Jan, 2023 |
| Dengue Fever decimated by Vitamin D - many studies | | 20 Oct, 2023 |
| Dental Implants helped by Vitamin D - many studies | | 20 Feb, 2025 |
| Depression substantially reduced by Vitamin D, Omega-3, Magnesium, etc – many studies | | 09 Dec, 2019 |
| Diabetes and poor Vitamin D genes - many studies | | 26 Aug, 2025 |
| Diabetes and Vitamin D meta-analyses - many studies | | 05 Nov, 2024 |
| Diabetes increases chance of death (low vitamin D) - many studies | | 30 Aug, 2023 |
| Diabetes increases the risk of bone fracture - many studies | | 08 Jun, 2025 |
| Diabetes, Metabolic Syndrome and Magnesium - many studies | | 13 Jan, 2023 |
| Diabetic Foot Ulcers helped by Vitamin D - meta-analyses many studies | | 25 Jan, 2025 |
| Diabetic Retinopathy associated with low Vitamin D - many studies | | 26 May, 2022 |
| Diarrhea and Vitamin D - many studies | | 04 Mar, 2025 |
| Diseases treated by high-dose Vitamin D - many studies | | 18 Jan, 2023 |
| DNA repair helped by Vitamin D - many studies | | 19 Aug, 2022 |
| Drug interactions with Vitamin D - many studies | | 18 Feb, 2024 |
| Dry Eyes treated by Omega-3 and Vitamin D – many studies | | 11 Feb, 2023 |
| Early Puberty if low vitamin D - many studies | | 09 Jul, 2023 |
| End of Alzheimer's videos, transcripts - many studies | | 22 May, 2025 |
| Endometrial cancer and Vitamin D – many studies | | 13 Apr, 2023 |
| Endometriosis treated, and perhaps prevented, by vitamin D - many studies | | 29 Dec, 2022 |
| Epigenetics and Vitamin D – many studies | | 23 Oct, 2023 |
| Epstein-Barr Virus increases the risk of many health problems – many studies | | 03 Mar, 2022 |
| Epstein-Barr Virus probably causes Long-COVID, CFS, and MS - many studies | | 02 Oct, 2022 |
| Erectile Dysfunction and vitamin D - many studies | | 03 Dec, 2022 |
| Excess deaths - 5 possible reasons - many studies | | 29 May, 2024 |
| Exercise and Vitamin D are synergistic - many studies | | 09 Apr, 2023 |
| Extremely Big Pharma - many studies | | 29 Nov, 2022 |
| Far fewer respiratory track infections in infants and children getting 400 IU of Vitamin D – many studies | | 24 May, 2022 |
| Fasting and Vitamin D - many studies | | 21 Nov, 2024 |
| Fatigue reduced by Vitamin D (Cancer, muscle, MS, age, etc) - many studies | | 12 Nov, 2023 |
| FDA - many studies | | 27 Aug, 2023 |
| Fecal transplants - many studies | | 26 Apr, 2023 |
| Fertility is a function of vitamin D around each egg (follicular fluid) – many studies | | 03 Jul, 2022 |
| Fertility of defrosted sperm better if had increased dietary Omega-3 – many studies | | 06 Feb, 2018 |
| Fertility problem (PCOS) reduced by vitamin D, etc. - many studies | | 27 May, 2025 |
| Fewer bone and stress fractures with vitamin D - many studies | | 25 Aug, 2022 |
| Fluoridation results in lower IQ, Magnesium, and Vitamin D - many studies | | 01 May, 2024 |
| Fluoride reduces Vitamin D and Magnesium - many studies | | 11 Sep, 2023 |
| Folate in Vitamin D Life - many studies | | 08 Jul, 2023 |
| Food allergies associated with low Vitamin D - many studies | | 02 Sep, 2023 |
| Frailty and Vitamin D - many studies | | 15 Nov, 2023 |
| Fructose, HFCS and Vitamin D - many studies | | 01 Jan, 2024 |
| Gastric Cancer, Vitamin D, VDR, UV - many studies | | 10 Nov, 2022 |
| Gestational Diabetes and Vitamin D - many studies | | 10 Apr, 2024 |
| Glutathione and Vitamin D synergism - many studies | | 23 Jul, 2024 |
| Glyphosate and Vitamin D - many studies | | 29 Dec, 2022 |
| Gout and Vitamin D - many studies | | 29 Sep, 2022 |
| Grouping of information on topics: "Many studies", "Several studies", and Overviews | | 29 Jan, 2024 |
| Growing pains associated with low Vitamin D - many studies | | 03 Aug, 2024 |
| Handgrip and Vitamin D - many studies | | 20 Feb, 2024 |
| Hay fever (Allergic Rhinitis) and Vitamin D - many studies | | 26 Feb, 2025 |
| Head and neck cancers and vitamin D - many studies | | 10 Jun, 2023 |
| Health benefit of Sunlight is more than Vitamin D in the blood - many studies | | 13 Aug, 2020 |
| Heart Failure and Vitamin D - many studies | | 10 Aug, 2024 |
| Heart Failure and Vitamin D meta-analyses - many studies | | 10 Aug, 2024 |
| Helicobacter pylori infection and low vitamin D – many studies | | 05 Apr, 2025 |
| Hemodialysis and Vitamin D - many studies | | 27 Feb, 2025 |
| Hepatitis B virus and Vitamin D - many studies | | 21 Sep, 2020 |
| Herpes virus and vitamin D - many studies | | 14 Nov, 2022 |
| Hip fractures and low Vitamin D - many studies | | 21 Aug, 2025 |
| History of Vitamin D - many studies | | 11 Oct, 2023 |
| Hypercalcemia and Vitamin D - many studies | | 22 Jun, 2024 |
| Hypertension, Pregnancy and Vitamin D - many studies | | 10 Feb, 2023 |
| Iceland and Vitamin D - many studies | | 21 Feb, 2023 |
| ICU patients typically benefit from 300-500,000 IU of Vitamin D - many studies | | 07 Jun, 2024 |
| In vitro fertilization and Vitamin D – many studies | | 19 Apr, 2024 |
| India and vitamin D - many studies | | 27 Oct, 2024 |
| Infections and low vitamin D - many studies | | 14 Sep, 2024 |
| Infectious Mononucleosis (virus) and Vitamin D - many studies | | 22 Aug, 2023 |
| Inhaled vitamin D help lungs - many studies | | 01 Dec, 2024 |
| Iodine Deficiency During Pregnancy – many studies | | 25 Jun, 2017 |
| Irritable Bowel Syndrome and Vitamin D - many studies | | 30 Jun, 2023 |
| Ischemic Stroke and Vitamin D - many studies | | 11 Aug, 2024 |
| Ivermectin and COVID-19 - many studies | | 06 Sep, 2024 |
| IVF 4X more successful for white women with lots of vitamin D – many studies | | 17 Dec, 2021 |
| Juvenile Idiopathic Arthritis is strongly associated with low vitamin D – many studies | | 07 Apr, 2022 |
| Kidney Dialysis, low Vitamin D, low Magnesium - many studies | | 02 Nov, 2022 |
| Knee osteoarthritis treated by Vitamin D - many studies | | 13 Dec, 2023 |
| Leprosy, low Vitamin D and poor Vitamin D Receptor - many studies | | 31 Jul, 2023 |
| Less Calcification if less Calcium or more Vitamin K, Magnesium, etc. - many studies | | 26 May, 2024 |
| Life-extension, improved healthspan: Diet, Exercise, Omega-3, Vitamin D - many studies | | 09 Dec, 2023 |
| Long-COVID - many studies | | 21 Sep, 2025 |
| Long-COVID and Vitamin D - many studies | | 16 Jan, 2025 |
| Longevity and healthspan increased by Vitamin D, Omega-3, Magnesium - many studies | | 21 Jul, 2024 |
| Low heart rate variability (bad) is associated with low Vitamin D and COVID – many studies | | 22 Aug, 2023 |
| Low Magnesium associated with severe COVID – many studies | | 19 Nov, 2022 |
| Low Vitamin D strongly associated with Systemic Sclerosis - many studies | | 21 Sep, 2022 |
| Low-energy fractures in children with low vitamin D - many studies | | 09 Feb, 2023 |
| Lumbar degenerative disc diseases might be fought by Vitamin D Receptor activation– many studies | | 28 May, 2024 |
| Lyme disease and Vitamin D Receptor - many studies | | 21 Apr, 2025 |
| Lymphoma treated by Vitamin D - many studies | | 08 Dec, 2023 |
| Magnesium and Cancer - many studies | | 18 Oct, 2024 |
| Magnesium and Migraines - many studies | | 26 Feb, 2025 |
| Magnesium reduces pain - many studies | | 19 May, 2022 |
| Magnesium Role in Health and Longevity - many studies | | 18 Oct, 2022 |
| Many COVID-19 risks are associated with low vitamin D (7 studies) – Systematic Review Jan 2021 | | 16 Jan, 2021 |
| Melanoma might be suppressed by Vitamin D - many studies | | 25 Nov, 2022 |
| Melatonin and Vitamin D - many studies | | 29 Jul, 2023 |
| Menopause delayed and symptoms decreased by Vitamin D - many studies | | 23 Dec, 2023 |
| Mental stress, physical stress associations with low vitamin D - many studies | | 19 Jul, 2023 |
| Metadichol (Policosanol) supplement appears to improve health in many ways - multiple studies | | 25 Sep, 2022 |
| Metastatic Cancer probably reduced by vitamin D - many studies | | 27 Sep, 2022 |
| Microplastics causing problems in humans, etc. (Vitamin D can help) - many studies | | 17 May, 2025 |
| Middle ear infection (Otitis Media) and Vitamin D – many studies | | 04 Aug, 2018 |
| Military and Vitamin D - many studies | | 17 Jul, 2023 |
| Miscarriage and low Vitamin D – many studies | | 03 Apr, 2024 |
| Mitochondria Vitamin D interaction – many studies | | 04 Feb, 2025 |
| More Cognitive Impairment after some types of stroke if low vitamin D - many studies | | 03 Sep, 2023 |
| More vitamin D means fewer deaths – many studies | | 19 Jun, 2024 |
| More vitamin D, more height - many studies | | 26 Aug, 2022 |
| Mouthwashes temporarily reduce COVID infectiousness - many studies | | 17 Jan, 2022 |
| Moving medical evidence into practice: Implementation Science - many studies | | 30 Jun, 2022 |
| Multiple COVID vaccinations might increase (turbo) Cancer Incidence - many studies | | 30 Aug, 2025 |
| Multiple Myeloma (blood cell cancer) treated by vitamin D - many studies | | 14 Jun, 2019 |
| Multiple Sclerosis much more likely if low vitamin D during pregnancy –many studies | | 25 Jan, 2020 |
| Multiple Sclerosis Risk factors include virus such as Human Herpesvirus 6A – many studies | | 28 Feb, 2022 |
| Muscles and Vitamin D - many studies | | 13 Aug, 2024 |
| Myopia epidemic and Vitamin D - many studies | | 23 Aug, 2023 |
| NAFLD and Vitamin D - many studies | | 25 Sep, 2023 |
| Nanoemulsion Vitamin D is faster and better - many studies | | 06 Oct, 2023 |
| Nerve cells and Vitamin D – many studies | | 07 Oct, 2024 |
| Neural tube defect and Vitamin D - many studies | | 16 May, 2023 |
| Neuropathy treated by vitamin D - many studies | | 24 Mar, 2023 |
| Nitric oxide (from sun, Mg, Vit D, etc) reduces some health problems - many studies. | | 21 Oct, 2022 |
| Non-oral Vitamin D should be a better form for MS, food allergy, PTSD, etc. – many studies | | 26 Jan, 2024 |
| Nursing homes and Vitamin D - many studies | | 05 Apr, 2023 |
| Nutrition and Vitamin D - many studies | | 27 Jun, 2025 |
| Obesity, Virus, and Vitamin D - many studies | | 28 Oct, 2022 |
| Omega 3 increases vitamin D in the blood – many studies | | 06 Jul, 2022 |
| Omega-3 helps conception as well as pregnancy – many studies | | 25 Sep, 2023 |
| Omega-3 helps muscles - many studies | | 16 Nov, 2023 |
| Omega-3 index - many studies | | 25 Dec, 2023 |
| Omega-3 Reduces risk of Breast Cancer - many studies | | 06 May, 2023 |
| Omega-3 reduces risk of COVID-19 - many studies | | 15 Sep, 2021 |
| Omega-6 blocks Omega-3 etc. -many studies | | 17 Jul, 2023 |
| Orthopaedic surgeries need Vitamin D – many studies | | 08 Dec, 2022 |
| Palliative care is helped by Vitamin D - many studies | | 19 Sep, 2022 |
| Pancreatitis and Vitamin D - many studies | | 13 Jun, 2022 |
| People outdoors a lot have higher levels of Vitamin D – many studies | | 28 Feb, 2024 |
| Periodontitis reduced by Vitamin D - many studies | | 05 Jun, 2023 |
| PFAS (forever chemicals) reduce Vitamin D and VDR, cause health problems - many studies | | 29 Jul, 2022 |
| Phosphate, Phosphatonins and Vitamin D - many studies | | 10 Oct, 2022 |
| Photobiomodulation (LLLT) treats many COVID problems - many studies | | 03 Dec, 2022 |
| Placenta and Vitamin D - many studies | | 05 Mar, 2025 |
| Pneumonia and low vitamin D - many studies | | 09 Nov, 2022 |
| Poor menstrual cycles 2X more likely if poor vitamin D levels - many studies | | 03 Jan, 2022 |
| Preeclampsia and Vitamin D - many studies | | 01 May, 2023 |
| Preeclampsia reduced by Vitamin D - many studies | | 01 May, 2023 |
| Pregnancy and infants healthier with Omega-3 supplementation - many studies | | 14 Oct, 2023 |
| Pregnancy helped by Magnesium - many studies | | 05 Jan, 2023 |
| Premenstrual Syndrome (PMS) and Vitamin D - many studies | | 27 Sep, 2021 |
| Preterm birth and low Vitamin D - many studies | | 24 Dec, 2023 |
| Preterm birth decreased by Omega-3, etc. - many studies | | 01 Oct, 2024 |
| Preterm birth is related to Vitamin D Receptor problems – many studies agree | | 13 Nov, 2017 |
| Preterm births reduced by Vitamin D - many studies | | 01 Oct, 2024 |
| Prisoners have low Vitamin D - many studies | | 23 Jun, 2023 |
| Problems after childhood vaccinations - many studies | | 24 May, 2022 |
| Progesterone activates vitamin D receptor - many studies | | 05 Feb, 2019 |
| Proofs that Vitamin D Receptor activation fights various diseases - many studies | | 21 Sep, 2024 |
| Prostate and Urinary systems much better with higher vitamin D – many studies | | 30 Jun, 2017 |
| Protein - many studies | | 16 Jul, 2025 |
| Protein, muscles, bones and Vitamin D - many studies | | 16 Dec, 2024 |
| PTH and Vitamin D - many studies | | 29 Dec, 2022 |
| Quercetin (a flavonoid) helps activate the Vitamin D receptor – many studies | | 24 May, 2021 |
| Radiation and Vitamin D - many studies | | 13 Jun, 2024 |
| Randomized Controlled Trials and Vitamin D - many studies | | 12 Mar, 2024 |
| Randomized Controlled Trials in Vitamin D Life - many studies | | 16 May, 2023 |
| Red meat consumption increases risk of Diabetes - many studies | | 09 Oct, 2022 |
| Respiratory infection, children and Vitamin D - many studies | | 08 Oct, 2023 |
| Respiratory viral infection (RSV) and low vitamin D - many studies | | 18 Nov, 2022 |
| Response to Vitamin D - many studies | | 07 Apr, 2023 |
| Restless Legs Syndrome - Vitamin D, Iron, etc. - many studies | | 19 Jan, 2025 |
| Restless Legs Syndrome has increased risk with diabetes – many studies | | 28 Dec, 2019 |
| Resveratrol improves health (Vitamin D receptor, etc.) - many studies | | 10 Oct, 2024 |
| Resveratrol treats Multiple Sclerosis and other autoimmune diseases – many studies | | 09 Dec, 2019 |
| Russia and Vitamin D - many studies | | 28 Oct, 2022 |
| Saliva and Vitamin D – many studies | | 20 May, 2019 |
| Sarcoidosis (rare) problems when taking vitamin D - many studies | | 12 Oct, 2022 |
| Sarcopenia (muscle loss) fought by Vitamin D, exercise and protein - many studies | | 11 Jul, 2023 |
| Scotland and Vitamin D - many studies | | 18 Mar, 2024 |
| Selenium is important to health - many studies | | 17 Oct, 2022 |
| Seniors with more vitamin D are less light-headed (Orthostatic Hypotension) - many studies | | 31 Aug, 2020 |
| Sepsis is both prevented and treated by Vitamin D - many studies | | 25 Sep, 2023 |
| Sickle Cell treated by Vitamin D - many studies | | 30 May, 2025 |
| Signs of Vitamin D Deficiency - many studies | | 20 Jul, 2023 |
| Sjögren’s syndrome (2nd most common rheumatic disease) and vitamin D - many studies | | 19 Sep, 2024 |
| Skin Aging and Vitamin D - many studies | | 08 Feb, 2022 |
| Sleep Apnea and Vitamin D - many studies | | 28 Feb, 2024 |
| Sleep longer if have more vitamin D – many studies | | 08 Nov, 2022 |
| Smoking reduces vitamin D - many studies | | 13 Jul, 2023 |
| Some anticonvulsant drugs significantly reduce vitamin D levels – many studies | | 01 Dec, 2021 |
| Some Foot and ankle problems are treated by Vitamin D – many studies | | 11 Jan, 2022 |
| Spot Baldness (Alopecia Areata) associated with low vitamin D – many studies | | 21 Jul, 2023 |
| SSRIs (66% of prescribed antidepressants) cause health problems - many studies | | 29 Jun, 2025 |
| Statins and Vitamin D - many studies | | 15 Jul, 2023 |
| Stem cells and Vitamin D - many studies | | 31 Oct, 2023 |
| Stillbirth reduced by Vitamin D, Zinc, Omega-3 - many studies | | 26 Sep, 2025 |
| Stroke and Vitamin D meta-analyses - many studies | | 11 Aug, 2024 |
| Sudden Infant Deaths (SIDS) soon after vaccination - many studies | | 09 May, 2025 |
| Suicide associated with low vitamin D - many studies | | 06 Apr, 2023 |
| Sunlight and health - many studies | | 12 Sep, 2024 |
| Sunscreen and Vitamin D - many studies | | 14 Feb, 2024 |
| Superbug (Clostridium difficile) Infections strongly associated with low vitamin D - many studies | | 21 Oct, 2022 |
| Systolic blood pressure reduced by vitamin D (many studies) | | No value for 'modification_date_major' |
| T-cell and Vitamin D - many studies | | 15 Dec, 2023 |
| Tanning beds and Vitamin D - many studies | | 19 Apr, 2024 |
| Telomeres and Vitamin D - many studies | | 25 Jul, 2023 |
| Thyroidectomy and Vitamin D - many studies | | 24 Feb, 2023 |
| Tonsillectomy, tonsollitis and Vitamin D - many studies | | 20 May, 2023 |
| Topical Vitamin D provides more benefits than oral sometimes - many studies | | 15 Sep, 2022 |
| Total knee arthroplasty – worse outcome if low vitamin D – many studies | | 05 Apr, 2024 |
| Transgender associated with autism, low vitamin D, low BMD, etc. - many studies | | 05 Apr, 2023 |
| Traumatic Brain Injury treated by Vitamin D - many studies | | 27 Sep, 2023 |
| Ulcerative Colitis and Vitamin D - many studies | | 18 Oct, 2023 |
| Ultra-processed foods associated with worse health and lower Vitamin D - many studies | | 17 Dec, 2024 |
| UTI associated with low Vitamin D as well as treated - many studies | | 07 Sep, 2021 |
| Uveitis (inflamed eye) and Vitamin D - many studies | | 26 Nov, 2024 |
| Vertigo treated by Vitamin D - many studies | | 07 Aug, 2020 |
| Veterans and Vitamin D - many studies | | 06 Apr, 2023 |
| Virus and Cardiovascular problems - many studies | | 05 May, 2024 |
| Virus and Dark Skin - many studies | | 30 Mar, 2025 |
| Vitamin D aids the clearing out of old cells (autophagy) – many studies | | 07 Feb, 2023 |
| Vitamin D and Magnesium need each other - many studies | | 15 Apr, 2022 |
| Vitamin D and malaria – many studies | | 14 Apr, 2022 |
| Vitamin D and urinary incontinence - many studies | | 28 Sep, 2022 |
| Vitamin D and Vitamin K intervention trials - many studies | | 29 Sep, 2022 |
| Vitamin D dosing - many studies | | 01 Mar, 2024 |
| Vitamin D has been found to be cost-effective by many studies | | 21 Jul, 2023 |
| Vitamin D helps organ transplant - many studies | | 30 Nov, 2023 |
| Vitamin D is needed before many surgeries – many studies and RCTs | | 12 Jan, 2025 |
| Vitamin D is the most popular supplement - many studies | | 21 Feb, 2025 |
| Vitamin D mitigates heavy metal exposure - many studies | | 27 Jul, 2025 |
| Vitamin D prevents Hepatitis-C and helps treat it (many studies) | | 03 Mar, 2020 |
| Vitamin D Receptor (Cancers OR Viruses) - many studies | | 02 Mar, 2024 |
| Vitamin D Receptor and Obesity – many studies | | 18 Oct, 2023 |
| Vitamin D Receptor deactivated by some health problems - many studies | | 12 Mar, 2024 |
| Vitamin D reduces hair loss - many studies | | 12 Jul, 2023 |
| Vitamin D toothbrush, chewing gum, oral spray, oral health, etc. - many studies | | 17 Jul, 2025 |
| Vitamin D, Omega-3, and Magnesium are synergistic - many studies | | 14 Sep, 2024 |
| Vitamin D3 for Vegans - many studies | | 26 Dec, 2024 |
| Vitamin D: 200 Immunity studies, 750 Virus studies - many studies | | 18 Oct, 2024 |
| Vitamin K, cardiovascular health, and stroke - many studies | | 05 Jul, 2023 |
| Vitamin K2 fights Breast and some other cancers - many studies | | 09 Apr, 2023 |
| Vitiligo (spotty skin) and Vitamin D, UVB - many studies | | 11 Nov, 2023 |
| Warts removed by vitamin D injection - many studies | | 11 Jan, 2020 |
| Weekly, Monthly Vitamin D are typically better than daily - many studies | | 17 Mar, 2024 |
| Weight loss and Vitamin D - many studies | | 20 Aug, 2023 |
| Yeast Infection (Candida etc.) and Vitamin D - many studies | | 12 Jun, 2025 |