# High-Dose Vitamin D Supplementation and Exercise Effects on Vitamin D Metabolites in Professional Football Players

> **NCT07310329** · NA · COMPLETED · sponsor: **Wroclaw University of Health and Sport Sciences** · enrollment: 20 (actual)

## Conditions studied

- Vitamin D Deficiency (10 ng/mL to 30 ng/mL)
- Athletes
- Football Players
- Exercise Physiology

## Interventions

- **DIETARY_SUPPLEMENT:** Vitamin D₃
- **OTHER:** Placebo

## Key facts

- **NCT ID:** NCT07310329
- **Lead sponsor:** Wroclaw University of Health and Sport Sciences
- **Sponsor class:** OTHER
- **Phase:** NA
- **Study type:** INTERVENTIONAL
- **Status:** COMPLETED
- **Start date:** 2024-04-27
- **Primary completion:** 2024-05-17
- **Final completion:** 2024-06-24
- **Target enrollment:** 20 (ACTUAL)
- **Last updated:** 2025-12-30


## Primary source

ClinicalTrials.gov registry: https://clinicaltrials.gov/study/NCT07310329

## Citation

> US National Library of Medicine, ClinicalTrials.gov registration NCT07310329, "High-Dose Vitamin D Supplementation and Exercise Effects on Vitamin D Metabolites in Professional Football Players". Retrieved via AI Analytics 2026-06-10 from https://api.ai-analytics.org/clinical/NCT07310329. Licensed CC0.

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