# Effects of Vitamin D3 Supplementation on Cognitive Function in Community Dwelling Older Adults

> **NCT02804841** · NA · COMPLETED · sponsor: **University of Dublin, Trinity College** · enrollment: 60 (actual)

## Conditions studied

- Healthy

## Interventions

- **DIETARY_SUPPLEMENT:** Cholecalciferol -Vitamin D3
- **OTHER:** Placebo -gel capsule containing no vitamin D.

## Key facts

- **NCT ID:** NCT02804841
- **Lead sponsor:** University of Dublin, Trinity College
- **Sponsor class:** OTHER
- **Phase:** NA
- **Study type:** INTERVENTIONAL
- **Status:** COMPLETED
- **Start date:** 2015-11
- **Primary completion:** 2016-05
- **Final completion:** 2016-11
- **Target enrollment:** 60 (ACTUAL)
- **Last updated:** 2016-11-22


## Primary source

ClinicalTrials.gov registry: https://clinicaltrials.gov/study/NCT02804841

## Citation

> US National Library of Medicine, ClinicalTrials.gov registration NCT02804841, "Effects of Vitamin D3 Supplementation on Cognitive Function in Community Dwelling Older Adults". Retrieved via AI Analytics 2026-05-30 from https://api.ai-analytics.org/clinical/NCT02804841. Licensed CC0.

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