# Efficacy Testing of Hibiscus Sabdariffa Extract and Collagen Products

> **NCT05988554** · NA · COMPLETED · sponsor: **TCI Co., Ltd.** · enrollment: 50 (actual)

## Conditions studied

- Skin Condition

## Interventions

- **DIETARY_SUPPLEMENT:** Placebo sachet
- **DIETARY_SUPPLEMENT:** Hibiscus sabdariffa extract and collagen products

## Key facts

- **NCT ID:** NCT05988554
- **Lead sponsor:** TCI Co., Ltd.
- **Sponsor class:** INDUSTRY
- **Phase:** NA
- **Study type:** INTERVENTIONAL
- **Status:** COMPLETED
- **Start date:** 2023-06-05
- **Primary completion:** 2023-08-31
- **Final completion:** 2023-12-31
- **Target enrollment:** 50 (ACTUAL)
- **Last updated:** 2024-02-21


## Primary source

ClinicalTrials.gov registry: https://clinicaltrials.gov/study/NCT05988554

## Citation

> US National Library of Medicine, ClinicalTrials.gov registration NCT05988554, "Efficacy Testing of Hibiscus Sabdariffa Extract and Collagen Products". Retrieved via AI Analytics 2026-05-28 from https://api.ai-analytics.org/clinical/NCT05988554. Licensed CC0.

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