Key Takeaway
Meta-analysis found vinegar consumption significantly reduced postprandial glucose and insulin responses, with effects more pronounced in healthy individuals than those with diabetes.
Summary
This systematic review and meta-analysis evaluated the effect of vinegar consumption on postprandial glycemic and insulin responses across multiple studies.
Methods
- Systematic review and meta-analysis
- Searched PubMed, Scopus, Google Scholar
- Included controlled trials of vinegar on glucose/insulin
- Random-effects meta-analysis
Key Results
- Significant reduction in postprandial glucose (mean difference: -15.8 mg/dL)
- Significant reduction in postprandial insulin
- Effects stronger in healthy subjects vs diabetics
- Acetic acid content appears to be active component
Limitations
- Heterogeneous study designs
- Various vinegar types and doses
- Short-term studies only
- Limited data on long-term effects