Georgia State University
The purpose of the study is to determine the effectiveness of wild blueberries on cardiovascular health, cognitive function, and gut microbiota composition in non-Hispanic Black and White adults with elevated blood pressure.
Hypertension (HTN), or high blood pressure (BP) is a major modifiable risk factor for heart disease, the leading cause of death worldwide. In the U.S., 121.5 million adults have high BP and only 25% have their BP under control. The 2022 Heart Disease and Stroke Statistics indicated that the incidence of high BP was higher among non-Hispanic Black (NHB) compared to non-Hispanic White (NHW) adults. Berries are rich in fiber and phytochemicals and have several health benefits. A 14-year follow-up of the Nurses' Health Study I and II and the Health Professional Follow-Up Study revealed a significa…
Inclusion Criteria: * Individuals 45-65 years of age * Diagnosis of elevated blood pressure or stage 1 hypertension (systolic blood pressure = 120-139 mmHg and/or diastolic blood pressure = 80-89 mmHg) for at least 6 months * BMI 25-35 kg/m2 via anthropometric measurements. * Ability to give consent Exclusion Criteria: * Allergies to berries * Use of one hypertensive drug for less than three months * Use of more than one anti-hypertensive or statin drug, insulin, antibiotics, and anti-inflammatory drugs, active cancer, gastrointestinal, renal, cardiovascular, thyroid, and neurological disor…
Daily consumption of 22 g of freeze-dried wild blueberry freeze-dried powder for 8 weeks
Daily consumption of 22 g of freeze-dried macronutrient-matched placebo powder for 8 weeks
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