What does science say about Vitamin D?
- We don’t say yes or no. We show what has been studied.
- Working in a lab or in animals does not mean it works in people.
- Don’t stop or change your treatment without talking to your doctor.
The diseases in which Vitamin D has registered trials. Choose one to see every step.
- Cancer (all types)registered trials: 24
- Osteoporosisregistered trials: 26
- Type 2 diabetesregistered trials: 13
- Chronic kidney diseaseregistered trials: 9
- Obesityregistered trials: 9
- Asthmaregistered trials: 8
- Colorectal cancerregistered trials: 6
- Ulcerative colitisregistered trials: 6
- Crohn's diseaseregistered trials: 5
- High blood pressureregistered trials: 5
- Atopic dermatitis (eczema)registered trials: 4
- Epilepsyregistered trials: 4
- Heart failureregistered trials: 4
- Parkinson diseaseregistered trials: 4
- Rheumatoid arthritisregistered trials: 4
- Tuberculosisregistered trials: 4
- Chronic lymphocytic leukaemiaregistered trials: 3
- Liver and biliary tract cancerregistered trials: 3
- Long COVID and ME/CFSregistered trials: 3
- Prostate cancerregistered trials: 3
- Pulmonary arterial hypertensionregistered trials: 3
- Bipolar disorderregistered trials: 2
- COPDregistered trials: 2
- Coronary artery diseaseregistered trials: 2
- Depressionregistered trials: 2
- Diffuse large B-cell lymphomaregistered trials: 2
- Hepatitis Bregistered trials: 2
- Pancreatic cancerregistered trials: 2
- Psoriasisregistered trials: 2
- Sickle cell diseaseregistered trials: 2
- Strokeregistered trials: 2
- Acute lymphoblastic leukaemiaregistered trials: 1
- Acute myeloid leukemiaregistered trials: 1
- Alzheimer diseaseregistered trials: 1
- Atrial fibrillationregistered trials: 1
- Cervical cancerregistered trials: 1
- Childhood cancersregistered trials: 1
- Chronic myeloid leukaemiaregistered trials: 1
- Cystic fibrosisregistered trials: 1
- Endometriosisregistered trials: 1
- Fatty liver disease (MASLD/MASH)registered trials: 1
- Follicular lymphomaregistered trials: 1
- Gastric and esophageal cancerregistered trials: 1
- Haemophiliaregistered trials: 1
- HIVregistered trials: 1
- Lung cancerregistered trials: 1
- Melanomaregistered trials: 1
- Multiple myelomaregistered trials: 1
- Myelodysplastic syndromesregistered trials: 1
- Primary biliary cholangitisregistered trials: 1
- Schizophreniaregistered trials: 1
- Thyroid cancerregistered trials: 1
- Triple-negative breast cancerregistered trials: 1
- Type 1 diabetesregistered trials: 1