Kefir review finds lower glucose, with other outcomes uncertain
Pooled intervention studies reported lower fasting glucose and an insulin-resistance measure, without statistically significant changes in body measurements, blood lipids or inflammation.
Based on the published abstract. The full paper may contain additional methods, results and limitations.
The 30-second takeaway
The pooled results suggest that kefir consumption may lower fasting blood glucose and HOMA-IR, an insulin-resistance measure. The analysis did not detect statistically significant effects on body measurements, blood lipids or inflammatory markers. These selective findings do not establish a broad metabolic benefit or show that clinical health outcomes improved.
The abstract omits participant health profiles, intervention durations, control conditions and confidence intervals for the glucose results, making their precision and practical importance difficult to judge.
What researchers found
Fasting blood glucose
Kefir versus study control groups; treatment timeframe: Not reported in the abstract.
Different outcomes, different results
Researchers combined intervention studies and examined several distinct outcomes. A reduction in a glucose marker does not establish changes in body size, cholesterol or inflammation; those outcomes were assessed separately.
Dose details remain unavailable
The authors explored results by kefir dosage, but the abstract provides no dose-specific estimates. It therefore cannot identify an effective dose, show dose superiority or support a particular consumption schedule.
The original publication
Effect of different kefir dosages on inflammation status, metabolic profile, and anthropometric measurements in adults: A systematic review and meta-analysis.
Hamsho M, Hawari R, Yeşil Z et al.
Nutr Metab Cardiovasc Dis · 2026
- PubMed ID
- 41076330
- Record checked
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