# Antioxidant Bioavailability

> **NCT04463030** · NA · UNKNOWN · sponsor: **Natural Immune Systems Inc** · enrollment: 24 (estimated)

## Conditions studied

- Pharmacokinetics

## Interventions

- **DIETARY_SUPPLEMENT:** Liposomal vitamin C, 1 gram
- **DIETARY_SUPPLEMENT:** Liposomal vitamin C, 2 grams
- **DIETARY_SUPPLEMENT:** Liposomal vitamin C, 5 grams
- **DIETARY_SUPPLEMENT:** Placebo

## Key facts

- **NCT ID:** NCT04463030
- **Lead sponsor:** Natural Immune Systems Inc
- **Sponsor class:** OTHER
- **Phase:** NA
- **Study type:** INTERVENTIONAL
- **Status:** UNKNOWN
- **Start date:** 2020-07-01
- **Primary completion:** 2022-12-25
- **Final completion:** 2023-06-25
- **Target enrollment:** 24 (ESTIMATED)
- **Last updated:** 2022-09-27


## Primary source

ClinicalTrials.gov registry: https://clinicaltrials.gov/study/NCT04463030

## Citation

> US National Library of Medicine, ClinicalTrials.gov registration NCT04463030, "Antioxidant Bioavailability". Retrieved via AI Analytics 2026-06-02 from https://api.ai-analytics.org/clinical/NCT04463030. Licensed CC0.

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