1. Vinegar May Affect Blood Sugar After Meals
Several controlled studies and meta-analyses suggest that vinegar consumed with meals can modestly reduce post-meal glucose and insulin responses in some people.
A 2026 umbrella review of meta-analyses found favorable effects on several metabolic outcomes, including fasting and post-meal blood glucose, although results varied between studies and not every metabolic marker improved.
This does **not** mean apple cider vinegar is a diabetes treatment.
People taking insulin or glucose-lowering medicines should not use vinegar as a substitute for prescribed treatment.
## 2. It May
