# Comparative Bioavailability of Two Forms of Vitamin C

> **NCT01852903** · NA · COMPLETED · sponsor: **NBTY, Inc.** · enrollment: 40 (actual)

## Conditions studied

- Bioavailability

## Interventions

- **DIETARY_SUPPLEMENT:** calcium ascorbate
- **DIETARY_SUPPLEMENT:** ascorbic acid
- **OTHER:** placebo

## Key facts

- **NCT ID:** NCT01852903
- **Lead sponsor:** NBTY, Inc.
- **Sponsor class:** INDUSTRY
- **Phase:** NA
- **Study type:** INTERVENTIONAL
- **Status:** COMPLETED
- **Start date:** 2011-05
- **Primary completion:** 2011-07
- **Final completion:** —
- **Target enrollment:** 40 (ACTUAL)
- **Last updated:** 2013-05-14

## Collaborators

- [object Object]
- [object Object]

## Primary source

ClinicalTrials.gov registry: https://clinicaltrials.gov/study/NCT01852903

## Citation

> US National Library of Medicine, ClinicalTrials.gov registration NCT01852903, "Comparative Bioavailability of Two Forms of Vitamin C". Retrieved via AI Analytics 2026-05-28 from https://api.ai-analytics.org/clinical/NCT01852903. Licensed CC0.

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