Could mangosteen help control type 2 diabetes?
NCT ID NCT07172269
First seen Jun 26, 2026 · Last updated Jun 26, 2026
Summary
This study tested whether adding a mangosteen supplement to standard diabetes drugs (sitagliptin/metformin) improves blood sugar control in 47 adults with type 2 diabetes. Participants took either the standard drugs alone or with mangosteen for 12 weeks. Researchers measured changes in HbA1c, insulin resistance, and inflammation.
What this could mean
Our plain-language read of the trial. This is informational only, not medical advice or a prediction.
- Active substance
- mangosteen supplement (Garcinia mangostana extract)
- What this could lead to
- If it works, this could point toward a natural supplement to help manage blood sugar and reduce inflammation in type 2 diabetes.
- What could go wrong
- This is a small, early-stage trial with only 47 patients. Results may not apply to everyone, and supplements are not a replacement for standard care.
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
-
58 people
The number who actually took part.
- Started
-
Sep 2024
- Finished
-
May 2025
- 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
-
30 years and older
- 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: * Adults aged ≥30 years. * Diagnosed with Type 2 Diabetes Mellitus according to American Association of Clinical Endocrinologists (AACE) criteria. * HbA1c between 7.5% and 9%. Exclusion Criteria: * T1DM patients were excluded from study. * T2DM patients receiving any anti-diabetic treatment other than the study intervention or T2DM patients receiving insulin therapy. * Patients with T2DM complications or having liver disease, kidney disease. * Patients with other metabolic diseases (thyroid disorders, adrenal disorders, growth hormone disorders and pituitary disorders) that may affect glycemic and metabolic status. * Patients receiving drugs (steroids, contraceptives, anticoagulants and thyroid medications) or using other nutritional supplements or herbal remedies that may interfere with lab results. * Pregnant or lactating women.
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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
-
National Diabetes Center for Treatment and Research
Baghdad, Iraq
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Other studies related to the condition(s) this trial covers.
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