# Comparing Different Amounts of Vitamin D Supplementation to Preschool Children Living in Northern and Southern Sweden

> **NCT01741324** · NA · COMPLETED · sponsor: **Umeå University** · enrollment: 220 (actual)

## Conditions studied

- Vitamin D Deficiency

## Interventions

- **DIETARY_SUPPLEMENT:** Vitamin D 25 microg/d
- **DIETARY_SUPPLEMENT:** Vitamin D 10 microg/d
- **DIETARY_SUPPLEMENT:** No extra vitamin D

## Key facts

- **NCT ID:** NCT01741324
- **Lead sponsor:** Umeå University
- **Sponsor class:** OTHER
- **Phase:** NA
- **Study type:** INTERVENTIONAL
- **Status:** COMPLETED
- **Start date:** 2012-11
- **Primary completion:** 2013-04
- **Final completion:** 2013-07
- **Target enrollment:** 220 (ACTUAL)
- **Last updated:** 2016-11-01

## Collaborators

- [object Object]

## Primary source

ClinicalTrials.gov registry: https://clinicaltrials.gov/study/NCT01741324

## Citation

> US National Library of Medicine, ClinicalTrials.gov registration NCT01741324, "Comparing Different Amounts of Vitamin D Supplementation to Preschool Children Living in Northern and Southern Sweden". Retrieved via AI Analytics 2026-05-28 from https://api.ai-analytics.org/clinical/NCT01741324. Licensed CC0.

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