Herbal combo shows promise for diabetes control in small study
NCT ID NCT07303127
First seen Jun 27, 2026 · Last updated Jun 27, 2026
Summary
This study tested whether a daily supplement of bitter melon extract and snakehead fish powder could help lower blood sugar in adults with type 2 diabetes. Eighty participants took either the supplement or a placebo for four weeks while continuing their usual metformin medication. Researchers measured changes in fasting blood sugar and other markers to see if the combination offers any benefit.
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 extract and snakehead fish powder
- What this could lead to
- If it works, this could point toward a natural supplement to help manage blood sugar in type 2 diabetes alongside standard medication.
- What could go wrong
- This is a small, early pilot study with only 80 participants over 4 weeks. Results may not apply to everyone, and the supplement may not significantly lower blood sugar.
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
-
80 people
The number who actually took part.
- Started
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Jun 2021
- Finished
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Oct 2021
- Lead sponsor
-
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
-
25 to 65 years
- Sex
-
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: * Diagnosed with Type 2 Diabetes Mellitus (T2DM). * Age 25-65 years. * Currently treated with one type of biguanide (metformin). * Fasting plasma glucose 126-200 mg/dL. * Willing to participate and sign informed consent. * Able to attend all study visits at participating health centers. Exclusion Criteria: * Positive pregnancy test or currently breastfeeding. * Impaired renal function (creatinine \> 1.5 mg/dL). * Impaired liver function (SGOT \> 40 U/L or SGPT \> 35 U/L, or ≥2× upper normal limit). * Known allergy to bitter melon extract or snakehead fish powder. * Any condition judged by investigators to interfere with study participation. * Participants who withdraw consent or are unable to complete the intervention.
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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
-
Faculty of Health Sciences, Universitas Muhammadiyah Surakarta
Surakarta, Centre Java, 57162, Indonesia
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