Sorbic acid

Sorbic acid helps prevent food spoilage. Regulators sometimes assess it together with potassium sorbate because both contribute to sorbic-acid exposure, but a label naming one does not establish the other. EFSA and JECFA publish different group daily intake benchmarks: 11 and 25 milligrams per kilogram of body weight, respectively, expressed as sorbic acid. These protective benchmarks describe long-term intake, not a dose known to cause illness.

Direct research leaves some questions open. One small mouse study found changes in liver fat handling, while a small study in women linked a blood signal tentatively identified as sorbic acid with later diabetes. That signal still needs chemical confirmation and does not measure how much preservative people ate. Larger French studies concern combined sorbates or potassium sorbate, so their findings cannot simply be assigned to sorbic acid alone.

Overall regulatory evaluations remain reassuring about genotoxicity, while realistic food-reaction products and newer metabolic signals deserve further study. Food-category rules differ between countries, and restaurant ingredient lists usually do not reveal the amount consumed.

Research reviewed on October 22, 2026 · 12 sources