Can Vinegar Help Manage Blood Sugar Levels?

Vinegar may modestly reduce the rise in blood glucose after some carbohydrate-containing meals, but the effect is not guaranteed and vinegar is not a treatment for diabetes. Anyone taking diabetes medication should speak with a qualified healthcare professional before using vinegar regularly to influence blood sugar.

Research suggests possible short-term reductions in post-meal glucose, but studies have often been small, varied in vinegar type and dose, and differed in quality. A recent umbrella review reported improvements in several glycemic measures but also found that the certainty of evidence varied by outcome; earlier reviews likewise emphasized small studies, inconsistent interventions, and the need for better research.