New supplement tested for cough and phlegm relief

NCT ID NCT05544942

Completed Symptom relief Sponsor: Green Cross Wellbeing Source: ClinicalTrials.gov ↗

First seen Jun 27, 2026 · Last updated Jun 27, 2026

Summary

This study tested whether a supplement called GCWB1001 can help adults with mild breathing symptoms like cough, phlegm, and chest tightness. 120 people took either the supplement or a placebo for 12 weeks. The goal was to see if symptoms improved and if it was safe.

This is an AI summary of the original study and may miss details. Read our disclaimer.

Get updates

Get notified about this study

Sign up to get updates when this study changes or when new studies for CHRONIC BRONCHITIS are added.

Our safety recommendation!

By submitting, you agree to our Terms of use

Conditions

The condition(s) this trial relates to.

chronic bronchitis Signs and Symptoms, Respiratory

As listed by the trial registrant

The condition terms exactly as the trial's registrant entered them.

RESPIRATORY SYMPTOMS

Contacts and locations

Locations

Chungbuk national university hospital

Taebuk, South Korea
HALLYM UNIV. Chuncheon MEDICAL CENTER

Chuncheon, South Korea
Hallym Univ. Medical Center

Gyeonggi-do, South Korea
Hanyang University Seoul Hospital

Seoul, South Korea

More trials for these conditions

Other studies related to the condition(s) this trial covers.