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Flavan-3-ols in tea and chocolate can lower blood pressure

  • A team of researchers at the University of Surrey, led by the study's primary author, published a May 2025 analysis of 145 randomized trials investigating the impact of foods high in flavan-3-ols.
  • The study examined data from over 5,200 individuals consuming various flavan-3-ol-rich foods such as cocoa products, common fruit varieties, and popular beverages to assess their effects on cardiovascular measures including blood pressure.
  • Results showed that daily intake significantly lowered systolic/diastolic blood pressure by 2.8/2.0 mmHg overall and 5.9/2.7 mmHg in people with hypertension.
  • Christian Heiss called the findings promising and noted adverse effects occurred in only 0.4% of participants, mostly mild stomach upset or headaches resolving spontaneously.
  • These findings suggest that flavan-3-ol-rich foods could complement heart-healthy lifestyles but are not replacements for medications, and further research is required to confirm long-term effects.
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PerthNow broke the news in City of Perth, Australia on Tuesday, May 13, 2025.
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