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The Effect of Cranberry Consumption on Blood Pressure: A Systematic Review and Meta-Analysis of Randomized Controlled

Leyli Zahra Bahreyni1, Mohammad Reza Amini2, Leila Sheikhi3

  • 1Student Research Committee, Department of Clinical Nutrition & Dietetics, National Nutrition & Food Technology Research Institute, Shahid Beheshti University of Medical Sciences, Tehran, Iran.

Clinical Cardiology
|April 20, 2026
PubMed

Insights

Cranberry consumption did not significantly lower blood pressure in this meta-analysis. However, specific subgroups like females or those with normal BMI showed potential benefits for systolic and diastolic blood pressure.

Area of Science:

  • Cardiovascular Health
  • Nutritional Science
  • Evidence-Based Medicine

Background:

  • Elevated blood pressure is a major risk factor for cardiovascular disease.
  • Cranberry consumption is explored for its potential health benefits, including blood pressure management.
  • Randomized controlled trials (RCTs) provide evidence on cranberry's impact on blood pressure.

Conclusions:

  • Cranberry consumption, as a whole, does not appear to be an effective strategy for managing SBP and DBP.
  • Specific consumption patterns (e.g., juice form, duration) and participant characteristics (e.g., age, gender, BMI) may influence cranberry's effect on blood pressure.
  • Further research is warranted to clarify the conditions under which cranberry may impact blood pressure.
Abstract

Keywords:
DBPSBPcranberrymeta‐analysisrandomized controlled trial

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