# Vitamin D Supplementation in Estonian Conscripts

> **NCT04939636** · NA · COMPLETED · sponsor: **Tartu University Hospital** · enrollment: 112 (actual)

## Conditions studied

- Vitamin D Deficiency
- Military Activity
- Physical Stress

## Interventions

- **DIETARY_SUPPLEMENT:** Vitamin D3 capsules 4000IU/100µg.
- **DIETARY_SUPPLEMENT:** Vitamin D3 capsules 600IU/15µg.

## Key facts

- **NCT ID:** NCT04939636
- **Lead sponsor:** Tartu University Hospital
- **Sponsor class:** OTHER
- **Phase:** NA
- **Study type:** INTERVENTIONAL
- **Status:** COMPLETED
- **Start date:** 2021-07-19
- **Primary completion:** 2022-06-16
- **Final completion:** 2022-06-16
- **Target enrollment:** 112 (ACTUAL)
- **Last updated:** 2022-12-28

## Collaborators

- [object Object]
- [object Object]

## Primary source

ClinicalTrials.gov registry: https://clinicaltrials.gov/study/NCT04939636

## Citation

> US National Library of Medicine, ClinicalTrials.gov registration NCT04939636, "Vitamin D Supplementation in Estonian Conscripts". Retrieved via AI Analytics 2026-06-02 from https://api.ai-analytics.org/clinical/NCT04939636. Licensed CC0.

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