Study Title: Cocoa to Improve Walking Performance in Older People With Peripheral Artery Disease: The COCOA-PAD Pilot Randomized Clinical Trial
Citation: McDermott et al., 2020 · Circulation Research
What the Study Found: In older patients with peripheral artery disease, cocoa supplementation (high in (−)-epicatechin) significantly improved walking distance and performance compared with placebo. The benefits were linked to enhanced mitochondrial function and vascular health in leg muscles. This pilot trial supports larger studies on flavanol therapy for PAD.
What this means in real life: Peripheral artery disease limits blood flow and mitochondrial energy delivery to leg muscles, making even short walks exhausting. This clinical trial shows that (−)-epicatechin-rich cocoa can meaningfully improve walking ability by supporting mitochondrial and vascular function in the affected tissues. Mitochondrial support is a promising way to help people stay mobile and independent as they age.
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