# Assessment of Vitamin D Supplementation and Immune Function

> **NCT01399151** · NA · COMPLETED · sponsor: **USDA, Western Human Nutrition Research Center** · enrollment: 23 (actual)

## Conditions studied

- Vitamin D Deficiency

## Interventions

- **DIETARY_SUPPLEMENT:** Vitamin D - Treatment 1
- **DIETARY_SUPPLEMENT:** Vitamin D - Treatment 2
- **DIETARY_SUPPLEMENT:** Vitamin D - Treatment 3

## Key facts

- **NCT ID:** NCT01399151
- **Lead sponsor:** USDA, Western Human Nutrition Research Center
- **Sponsor class:** FED
- **Phase:** NA
- **Study type:** INTERVENTIONAL
- **Status:** COMPLETED
- **Start date:** 2011-01
- **Primary completion:** 2013-12
- **Final completion:** 2014-04
- **Target enrollment:** 23 (ACTUAL)
- **Last updated:** 2014-04-22


## Primary source

ClinicalTrials.gov registry: https://clinicaltrials.gov/study/NCT01399151

## Citation

> US National Library of Medicine, ClinicalTrials.gov registration NCT01399151, "Assessment of Vitamin D Supplementation and Immune Function". Retrieved via AI Analytics 2026-06-14 from https://api.ai-analytics.org/clinical/NCT01399151. Licensed CC0.

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