Kitchen cures? study tests bitter melon, berries for diabetes control
NCT ID NCT07233460
First seen Jun 24, 2026 · Last updated Jun 27, 2026 · Updated 2 times
Summary
This study tested whether taking bitter melon, blueberry, or cranberry powder for 12 weeks could improve blood sugar control and reduce symptoms in people with type 2 diabetes. 120 adults on oral diabetes medication were randomly assigned to one of the three supplements. Researchers measured HbA1c (a long-term blood sugar marker) and diabetes symptoms before and after the treatment period.
What this could mean
Our plain-language read of the trial. This is informational only, not medical advice or a prediction.
- Active substance
- bitter melon, blueberry, and cranberry powder extracts
- What this could lead to
- If effective, these natural supplements could offer a simple, low-cost way to help manage blood sugar and diabetes symptoms alongside standard medication.
- What could go wrong
- This is a small, completed trial with only 120 participants. The supplements are not a replacement for diabetes medication, and results may not apply to everyone. Dietary supplements can also interact with other drugs.
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
-
120 people
The number who actually took part.
- Started
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Feb 2024
- Finished
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May 2024
- Lead sponsor
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Other sponsor
The registry's catch-all category, for sponsors it does not file as a company, a government agency, or a research network.
Who can take part
This study's own entry requirements. Only the study team can say for certain whether you qualify.
- Ages
-
18 years and older
- Sex
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Anyone
- Healthy volunteers
-
Not accepted
This study is not open to healthy volunteers. The entry requirements below say who it is open to.
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: * Being 18 years of age or older, * Volunteering to participate in the study, * Being conscious and able to communicate, * Having been diagnosed with T2DM at least 3 months prior and currently using oral antidiabetic medication, * Be using one of the following powder extracts-bitter melon, blueberry, or cranberry-for the first time as a complementary treatment upon a physician's recommendation and be on the first day of use, * Not taking any other medications that affect blood sugar, * No allergy to bitter melon, blueberry, or cranberry, * Not engaging in exercise, * Taking 10g of bitter melon, blueberry, or cranberry powder extract daily. Exclusion Criteria: * Not meeting the inclusion criteria, having a known psychological disorder, * Having previously received complementary therapy for DM, or having hearing loss.
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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
-
Gümüşhane University
Gümüşhane, 29600, Turkey (Türkiye)
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