green tea and Reduced Hemoglobin A1c

• The effect of green tea on patients with type 2 diabetes mellitus: A meta-analysis.

  • 2024-11-01
  • Meta-Analysis · n = 722
  • Medicine 103(47)
  • • Ming-Jie Jia
    • Xing-Ning Liu
    • Ying-Chao Liang
    • De-Liang Liu
    • Hui-Lin Li

  • PubMed: 39809182
  • DOI: 10.1097/md.0000000000039702

  3 Insights on

  • Reduced Hemoglobin A1c

  • High evidence
  • Clinical

  glycated hemoglobin (SMD = -0.68, 95% CI: -1.15 to 0.21, P = .004)

  Effect

  Beneficial

  Effect size

  Moderate

  Significant

  Yes

• 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 Hemoglobin A1c

  • High evidence

  HbA1C (SMD: 4.87; 95%; P = 0.63)

  Effect

  Neutral

  Effect size

  Small

  Significant

  No

  Dose

  <3000 mg/day