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Bottled water as a cholesterol fighter? new study tests the idea
NCT ID NCT07026266
First seen Jun 25, 2026 · Last updated Jun 27, 2026 · Updated 1 time
Summary
This study tested whether drinking a calcium-bicarbonate mineral water called Lete can lower LDL (bad) cholesterol in healthy adults with high cholesterol. 160 participants drank either the test water or a regular low-mineral water for four months. The goal was to see if the mineral water reduced cholesterol levels compared to the control.
What this could mean
Our plain-language read of the trial. This is informational only, not medical advice or a prediction.
- Active substance
- calcium-bicarbonate mineral water
- What this could lead to
- If it works, this could offer a simple, natural way to help lower cholesterol without medication.
- What could go wrong
- This is a small, completed study testing a water product, not a drug. Any cholesterol reduction is likely modest and not a substitute for proven treatments.
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
-
160 people
The number who actually took part.
- Started
-
Sep 2025
- Finished
-
Apr 2026
- Lead sponsor
-
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
-
18 to 60 years
- Sex
-
Anyone
- Healthy volunteers
-
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: * healthy subjects * age 18-60 years * LDL-C values \> 116 mg/dl * not already being treated with cholesterol-lowering medications (e.g. statins, ezetimibe, monoclonal antibodies, bempedoic acid) and/or supplements (e.g. fermented red rice, coenzyme Q, folic acid, berberine, vitamin E, polyphenols from olive oil, etc.) Exclusion Criteria: * BMI \< 20 and \> 30 kg/m2 * diabetes mellitus * arterial hypertension * gastrointestinal (e.g. gastro-duodenal ulcer, ulcerative colitis, diverticulosis of the colon, etc.), liver or renal diseases * familial hypercholesterolemia * treatment with drugs that could influence lipid metabolism (estrogen replacement hormone therapy, corticosteroid therapy, insulin therapy) * Consumers of fortified foods that could influence lipid metabolism (containing n-3 fatty acids or phytosterols)
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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
-
Hospital San Raffaele
Milan, Italy, 20132, Italy
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Other studies related to the condition(s) this trial covers.
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