Pulse Brain · Growing Health Evidence Index
Tier 2 — RCT / large cohortPeer-reviewed

Beneficial effect of a polyphenol-rich diet on cardiovascular risk: a randomised control trial

Noad RL, Rooney C, McCall D, Young IS, McCance D, McKinley MC, Woodside JV, McKeown PP

Heart · 2016.0

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Summary

This randomised controlled trial, published in Heart in 2016, investigated whether a diet enriched in polyphenols could favourably modify cardiovascular risk factors compared with a control diet. Conducted by researchers based in Northern Ireland, the study likely recruited participants at elevated cardiovascular risk and assessed changes in vascular and metabolic markers following the dietary intervention. The findings are understood to support a beneficial association between increased dietary polyphenol consumption and improved cardiovascular risk profiles, contributing to the evidence base for dietary pattern interventions in primary or secondary prevention.

UK applicability

The trial was conducted in Northern Ireland and is therefore directly applicable to UK clinical and public health contexts. The findings are relevant to dietary guidance on fruit, vegetable, and plant food consumption within UK cardiovascular disease prevention strategies.

Key measures

Cardiovascular risk biomarkers (e.g. blood pressure, flow-mediated dilation, lipid profiles, inflammatory markers); dietary polyphenol intake

Outcomes reported

The study measured the effect of a polyphenol-rich dietary intervention on cardiovascular risk markers, likely including blood pressure, endothelial function, lipid profiles, and inflammatory biomarkers. Outcomes were compared between participants assigned to a polyphenol-rich diet and a control group over a defined intervention period.

Theme
Nutrition & health
Subject
Cardiovascular disease & diet
Study type
Research
Study design
RCT
Source type
Peer-reviewed study
Status
Published
Geography
UK
System type
Human clinical
DOI
10.1136/heartjnl-2015-309218
Catalogue ID
WP0122

Topic tags

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