Nature's lung cleanse? supplement aims to clear mucus and boost energy
NCT ID NCT07740746
First seen Aug 03, 2026 · Last updated Aug 04, 2026 · Updated 1 time
Summary
This trial tests whether a daily supplement made from mullein leaf and chlorophyll can improve mucus clearance and ease respiratory symptoms like breathlessness and low energy. One hundred adults who have struggled with chest mucus build-up and related issues for the past three months will take either the supplement or a placebo for 60 days. Participants report their symptoms at several points to see if the supplement makes a difference.
What this could mean
Our plain-language read of the trial. This is informational only, not medical advice or a prediction.
- Active substance
- BetterLungs Mullein + Chlorophyll supplement (mullein leaf, chlorophyll, vegetable glycerin, purified water)
- What this could lead to
- If it works, this supplement could offer a natural way to ease chest congestion, breathlessness, and fatigue in people with mucus build-up.
- What could go wrong
- This is an early-stage trial with self-reported outcomes, so results may not be conclusive. The supplement is not a treatment for any underlying disease and may not outperform placebo.
This is an AI summary of the original study and may miss details. Read our disclaimer.
Study facts
What this study's own registry entry says, in plain language.
- Phase
-
Not a phased trial
Phase numbers describe drug development. The registry uses this when they do not apply, as it does for trials of devices, procedures or behaviour changes, and for observational studies.
- Participants
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100 people
The number who actually took part.
- Started
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Apr 2025
- Finished
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Aug 2025
- Lead sponsor
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A company
The lead sponsor is a pharmaceutical, biotech, or medical-device company.
Who can take part
This study's own entry requirements. Only the study team can say for certain whether you qualify.
- Ages
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18 years and older
- Sex
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Anyone
- Healthy volunteers
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Accepted
You do not need to have the condition being studied to take part.
Show the full entry requirements Hide the full entry requirements
Copied word for word from the study's registry entry, so the wording is the study team's rather than ours.
Inclusion Criteria: * Be male or female * Be aged 18+ * Anyone experiencing issues regarding all of the following over the past three months: a build-up of chest mucus, difficulty clearing chest mucus, breathlessness, and low energy levels * Anyone who is generally healthy - does not live with any uncontrolled chronic disease * Willing to refrain from taking any products, prescription medications, or supplements that target lung health, mucus, and energy levels during the test period * Willing to maintain your current diet, sleep schedule, and activity level for the duration of the study * Resides in the United States * Not currently partaking in another research study and will not be partaking in any other research study for the next 60 days and at any point during this study's duration * If currently taking prescription medication are willing to discuss it with their physician before participating in this study Exclusion Criteria: * Anyone with pre-existing chronic conditions that would prevent participants from adhering to the protocol, including kidney disease, diabetes, cancer, mental health disorders, history of serious illness in the last three months, history of substance abuse, or planned surgery during the study period * Anyone who drinks heavily (i.e. 8 or more alcoholic drinks per week for women or 15 or more alcoholic drinks per week for men) * Anyone with a copper sensitivity disorder (such as Wilson's disease or copper metabolism disorders) * Anyone with kidney disease * Anyone with diabetes * Anyone with any known allergies or hypersensitivities to any supplement product ingredients * Anyone who is currently pregnant, trying to conceive, or breastfeeding
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Conditions
The condition(s) this trial relates to.
As listed by the trial registrant
The condition terms exactly as the trial's registrant entered them.
Contacts and locations
Locations
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Citruslabs
Las Vegas, Nevada, 89118, United States
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