green tea and Reduced Diastolic Blood Pressure

• Effect of green tea supplementation on blood pressure in adults: a GRADE-assessed systematic review and dose-response meta-analysis of randomised controlled trials.

  • 2025-06-12
  • Meta-Analysis · n = 36
  • Blood pressure 34(1)
  • • Mahshid Rezaei
    • Neda Akhavan
    • Fereshteh Fathi
    • Seyyed Mohammad Alavi
    • Mahdiyeh Fadaii
    • Mohammad Jafar Dehzad
    • Moein Askarpour

  • PubMed: 40497293
  • DOI: 10.1080/08037051.2025.2517122

  2 Insights on

  • Reduced Diastolic Blood Pressure

  • High evidence
  • Mixed

  Green tea reduced DBP (WMD: -1.09 mmHg; 95% CI: -1.67, -0.50; I² = 74.0%)

  Effect

  Beneficial

  Effect size

  Small

  Significant

  Yes

  Dose

  ranging across included studies, subgroup analysis used <500 mg/day vs ≥500 mg/day

• The Association Between Green Tea Intake and Metabolic Syndrome: A Systematic Review and Meta-analysis of Randomized Controlled Trials.

  • 2025-10-09
  • Meta-Analysis
  • Clinical therapeutics 47(12)
  • • Sahar Ghoflchi
    • Hadiseh Mohammadi
    • Maryam Teimouri
    • Masoud Imani
    • Hossein Hosseini

  • PubMed: 41073208
  • DOI: 10.1016/j.clinthera.2025.09.011

  8 Insights on

  • Reduced Diastolic Blood Pressure

  • High evidence

  diastolic blood pressure (SMD: -0.24; 95%; P = 0.53)

  Effect

  Neutral

  Effect size

  Small

  Significant

  No

  Dose

  <3000 mg/day