Mango a day keeps prediabetes at bay?
NCT ID NCT06159543
First seen Jun 27, 2026 · Last updated Jul 10, 2026 · Updated 1 time
Summary
This study tests whether eating 1.5 cups of fresh mango daily for 12 weeks can improve blood sugar, cholesterol, and inflammation in people with prediabetes. Thirty-one participants will eat mango for 12 weeks, then take a break, and then avoid mango for another 12 weeks. Researchers will compare health markers between the two periods to see if mango 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
- fresh mango
- What this could lead to
- If it works, this could suggest that adding mango to your diet helps manage prediabetes and related heart risks.
- What could go wrong
- This is a small, early-stage trial with only 31 participants. Results may not apply to everyone, and the effect might be small or not last.
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
-
About 31 people
The number the study aims to enrol. It can still change while the study runs.
- Started
-
Jul 2024
- Expected to finish
-
Dec 2027
An estimate. End dates often move.
- 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
-
40 to 60 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: * HgbA1c of 5.7 to 6.4% indicative of prediabetes * Abdominal obesity as defined as a waist circumference \>102 cm for men or \>88 cm for women or BMI 25-39 kg/m2 Exclusion Criteria: * Self-reported chronic disease history (diabetes, heart disease, cancer, kidney disease, inflammatory bowel disease, etc.) * Pacemaker * Mango allergies * Latex allergies (cross-reactive with mango) * Smoking, use of tobacco, or high alcohol intake (\>2 drinks/day for men or \>1 drink per day for women) * Recent significant weight loss (\>5% within 6 months of study enrollment) * BMI \>39 kg/m\^2 * Pregnancy or lactation * Use of medication and/or supplements affecting glycemic indicators or lipids * Habitual mango intake of \>3 servings per week and/or habitual fruit intake of \>2 servings per day * Not able to read and/or communicate in English
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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
-
Nutrition Research Center, School of Public Health, Loma Linda University
Loma Linda, California, 92350, United States
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