enzymatic synthesis of nitric oxide (which often fails in aging or damaged endothelium). The resulting nitric oxide surge instantly relaxes vascular smooth muscle, dilates peripheral arteries, lowers blood pressure, and dramatically improves walking distance and endurance in individuals suffering from claudication (leg pain caused by poor circulation).
- Berries: Anthocyanins and Endothelial Repair
Nutritional Profile and Mechanism
Rounding out our top five are nutrient-dense berries, including blueberries, blackberries, raspberries, and cranberries. These colorful fruits derive their health-promoting properties primarily from a class of flavonoids called anthocyanins.
Mechanisms of Vascular Protection
Reduction of Arterial Stiffness: Anthocyanins improve flow-mediated dilation by protecting endothelial
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