Effects of Grape Seed Proanthocyanidin Extract on Vascular Endothelial Function in Participants with Prehypertension: A Randomized, Double-Blind, Placebo-Controlled Study.

Nutrients · 2019 · PMC6950399 · PMID 31757033

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an increasing trendno p-value reported

In the present study, the mean baseline vascular diameter was smaller than that of the resting diameter after 12 weeks of treatment and FMDb showed an increasing trend only in the high-dose group ( Table S1 ).

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