# Effects of Vitamin D Supplementation on Strength, Bone Density, and Injury Risk in Collegiate Athletes

> **NCT03151174** · EARLY_PHASE1 · COMPLETED · sponsor: **Virginia Polytechnic Institute and State University** · enrollment: 68 (actual)

## Conditions studied

- Vitamin D Deficiency

## Interventions

- **DRUG:** Vitamin D 10000 UNT
- **DRUG:** Vitamin D 5000 UNT

## Key facts

- **NCT ID:** NCT03151174
- **Lead sponsor:** Virginia Polytechnic Institute and State University
- **Sponsor class:** OTHER
- **Phase:** EARLY_PHASE1
- **Study type:** INTERVENTIONAL
- **Status:** COMPLETED
- **Start date:** 2017-04-29
- **Primary completion:** 2018-05-15
- **Final completion:** 2018-06-01
- **Target enrollment:** 68 (ACTUAL)
- **Last updated:** 2024-10-15


## Primary source

ClinicalTrials.gov registry: https://clinicaltrials.gov/study/NCT03151174

## Citation

> US National Library of Medicine, ClinicalTrials.gov registration NCT03151174, "Effects of Vitamin D Supplementation on Strength, Bone Density, and Injury Risk in Collegiate Athletes". Retrieved via AI Analytics 2026-05-30 from https://api.ai-analytics.org/clinical/NCT03151174. Licensed CC0.

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