Using blueberries to improve health in women with prediabetes

Wild Blueberries for Gut, Brain, and Cardiometabolic Health in Female Adults With Prediabetes.

Not applicable Interventional Georgia State University · NCT06735651

This study is testing if eating freeze-dried wild blueberry powder can help improve health, brain function, and gut health in women with prediabetes.

Quick facts

PhaseNot applicable
Study typeInterventional
Enrollment30 (estimated)
Ages20 Years to 65 Years
SexFemale
SponsorGeorgia State University Academic / other
Locations1 site (Atlanta, Georgia)
Trial IDNCT06735651 on ClinicalTrials.gov

What this trial studies

This clinical trial aims to evaluate the effects of freeze-dried wild blueberry powder on cardiometabolic health, cognitive function, and gut microbiota in adult women with prediabetes. The study will involve a six-week randomized, placebo-controlled design where participants will consume either blueberry powder or a placebo daily. Researchers will measure changes in health parameters such as blood glucose levels, cognitive performance, and gut health to determine the effectiveness of blueberries as a dietary intervention. This research is significant as it addresses a gap in understanding the impact of blueberries on health outcomes specifically in women with prediabetes.

Who should consider this trial

Good fit: Ideal candidates for this study are women aged 45-65 years with prediabetes and a body mass index between 25-30 kg/m².

Not a fit: Patients with allergies to berries, active cancer, or other significant health conditions may not benefit from this study.

Why it matters

Potential benefit: If successful, this study could provide a natural dietary intervention to improve health outcomes for women with prediabetes.

How similar studies have performed: While there have been studies showing health benefits of blueberries in various populations, this specific approach in women with prediabetes is novel and has not been extensively tested.

Eligibility criteria

Show full inclusion / exclusion criteria
Inclusion Criteria:

* Women aged 20-65 years old
* Prediabetes (fasting blood glucose 100-125 mg/dL and/or HbA1c percentage between 5.7-6.4)
* Body Mass Index between 25-30 kg/m\^2

Exclusion Criteria:

* Allergies to berries
* Use of insulin, antidiabetic, antibiotics, and anti-inflammatory drugs
* Active cancer, gastrointestinal, renal, thyroid, stage 1 \& 2 hypertension and other cardiovascular diseases, neurological diseases, or severe head injury
* Smoking
* Consumes greater than 2 alcoholic beverages per day
* Consumes antioxidant, probiotic, and prebiotic supplements
* Pregnant or Lactating
* Actively participating in a weight loss program
* Currently taking berry supplements or recently participated in another study taking berry supplements

Where this trial is running

Atlanta, Georgia

Study contacts

How to participate

  1. Review the eligibility criteria above with your treating physician.
  2. Visit the official trial page on ClinicalTrials.gov for the most current contact information and recruitment status.
  3. Contact the listed study coordinator or principal investigator to request pre-screening. Pre-screening is free and never obligates you to enroll.
Conditions PrediabetesFemaleAdultEndothelial FunctionArterial StiffnessCognitionOxidative StressGut Microbiota
Last reviewed 2026-06-10 by the Find a Trial editorial team. Information on this page is for educational purposes and is not medical advice. Always consult qualified healthcare professionals about clinical trial participation.