"Decades of research now suggest wild blueberries can support heart, metabolic, gut, and brain health-especially by improving blood vessel function. Credit: Shutterstock A newly published scientific review brings together decades of research examining how wild blueberries may influence cardiometabolic health. This area of health includes key measures such as blood vessel function, blood pressure, blood lipids (cholesterol and triglycerides), and blood sugar (glucose)."
"The review appears in Critical Reviews in Food Science and Nutrition and grew out of an expert symposium organized by the Wild Blueberry Association of North America (WBANA) in Bar Harbor, Maine. The symposium included twelve specialists representing nutrition, food science, dietetics, nutrition metabolism and physiology, cardiovascular and cognitive health, gut health and microbiology, and both preclinical and clinical research models. While participants received travel reimbursement to attend the meeting, no funding was provided for writing or developing the review itself."
"In addition, the authors reviewed dozens of related clinical, translational, and mechanistic studies involving wild blueberries, cultivated blueberries, and a wide range of cardiometabolic outcomes. Overall, the authors report that evidence is strongest and most consistent for improvements in vascular function. Findings related to blood pressure, blood lipids, and blood sugar regulation are described as encouraging, though the authors emphasize the need for larger and more carefully controlled clinical trials to confirm these effects."
Decades of research indicate wild blueberries can influence cardiometabolic health, affecting blood vessel function, blood pressure, blood lipids, and blood sugar regulation. Twelve human clinical trials over 24 years across four countries specifically investigated cardiometabolic effects of wild blueberries. Additional clinical, translational, and mechanistic studies include wild and cultivated blueberries across preclinical and clinical models. The strongest and most consistent evidence supports improvements in vascular function. Results for blood pressure, blood lipids, and glycemic control are encouraging but require larger, more carefully controlled clinical trials for confirmation. Related outcomes tied to cardiometabolic wellness include gut health and cognitive performance.
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