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Vitamin D pill supplementation
Vitamin D supplementation increases circulating 25-hydroxyvitamin D levels to support calcium homeostasis, bone health, and immune function.
Vitamin D supplementation increases circulating 25-hydroxyvitamin D levels to support calcium homeostasis, bone health, and immune function. Used for Vitamin D deficiency prevention and treatment, Osteoporosis and bone health support, Calcium absorption enhancement.
At a glance
| Generic name | Vitamin D pill supplementation |
|---|---|
| Sponsor | CHU de Quebec-Universite Laval |
| Drug class | Vitamin/nutritional supplement |
| Target | Vitamin D receptor (VDR) |
| Modality | Small molecule |
| Therapeutic area | Nutritional supplementation / Bone health / Immunology |
| Phase | FDA-approved |
Mechanism of action
Vitamin D is a fat-soluble secosteroid that acts as a hormone precursor. After hepatic hydroxylation to 25-hydroxyvitamin D and renal conversion to the active form 1,25-dihydroxyvitamin D, it binds to the vitamin D receptor (VDR) in target tissues to regulate calcium and phosphate absorption in the intestine, bone mineralization, and modulation of immune responses.
Approved indications
- Vitamin D deficiency prevention and treatment
- Osteoporosis and bone health support
- Calcium absorption enhancement
Common side effects
- Hypercalcemia (at excessive doses)
- Nausea
- Constipation
- Weakness or fatigue
Key clinical trials
- Acute Vitamin D Supplementation on Testosterone in Females (NA)
- Impact of Vitamin D Supplementation on the Rate of Pathologic Complete Response in Vitamin D Deficient Patients (PHASE2)
- Effects of Laser Therapy and Vitamin D Pills on Braces Tooth Movement: A Random Controlled Study (NA)
- Vitamin D Supplementation in Kidney Disease (NA)
- Monitoring Intermittent Fasting for Human Optimization Using Wearable Technology: An N-of-1 Study (NA)
- Clinical Trial of Vit D and Calcium for Recurrent BPPV (NA)
- Efficacy of Intensive Cholecalciferol Monitoring and Supplementation on Serum vitD Levels in Pediatric Patients With CF (PHASE4)
- Vitamin D and Pregnancy Outcome in PCOS Patients (NA)
Primary sources
Every claim on this page is sourced from regulatory or scientific primary sources. See our editorial policy for full methodology.
| Source | Used for |
|---|---|
| ClinicalTrials.gov | Trial enrolment, design, endpoints, results |
Competitive intelligence
For the full competitive landscape — auto-detected comparators, recent regulatory actions across the set, upcoming PDUFA, patent timeline, sponsor landscape:
- Vitamin D pill supplementation CI brief — competitive landscape report
- Vitamin D pill supplementation updates RSS · CI watch RSS
- CHU de Quebec-Universite Laval portfolio CI