Acids & acidity regulators · Food additive

Lactic acid (E270)

Updated October 2, 2026

Lactic acid (E270) is a food additive in the “acids & acidity regulators” group. It appears in 34,119 products in our database, 18,535 of them sold in the US.

Quick facts

Also known as
E270
E-number
E270
Function
Acids & acidity regulators
Found in
34,119 products (18,535 sold in the US)

Foods that commonly contain Lactic acid

Groceries 5% · 2,852
Snacks 7% · 2,388
Confectioneries 6% · 1,193
Cheeses 6% · 1,186
Salted snacks 15% · 1,053
Frozen foods 10% · 1,010
Candies 5% · 629
Pasta dishes 28% · 616

Share of published products in each category whose ingredient list includes Lactic acid.

Popular products with Lactic acid

Lactic acid-free alternatives

Popular products from the same categories that don't list Lactic acid and score Nutri-Score A–C.

How to spot Lactic acid on a label

Look for any of these names in the ingredient list:

Lactic acidE270

Related additives

Frequently asked questions

What foods contain Lactic acid?

In our database, Lactic acid most often appears in groceries, snacks, confectioneries and cheeses.

How many products contain Lactic acid?

34,119 published products on Foodmetria list Lactic acid, including 18,535 sold in the United States. Counts come from ingredient lists in Open Food Facts and update daily.

Product data: Open Food Facts (ODbL), updated daily. Additive information is for general education and is not medical advice. Always check the package label. Our methodology.