What is E326?

Potassium lactate is a compound with formula KC3H5O3. It is the potassium salt of lactic acid and appears as a clear, hygroscopic, syrupy liquid suspension that is typically 60% solids. E326 sits in the E300–E399 series, which in the EU classification mainly covers antioxidants and acidity regulators.

What is E326 used for?

E326 belongs to the antioxidants group. Antioxidants stop fats going rancid and food discolouring. Several are natural, such as ascorbic acid (vitamin C).

Is E326 safe?

E326 is considered safe at the levels used in food and is approved for use in the EU. “Safe” means it is approved in the EU and regarded as safe at the levels used in food.

How E326 appears on labels

On food packaging you'll find E326 either as the number “E326” or by the name “Potassium lactate” in the ingredient list, often after its function. Ingredients are listed in descending order by weight, so an additive near the end is present only in small amounts.

Is E326 vegan?

Yes, E326 is suitable for vegans.