Ingredient · E270

Natural Flavor Lactic Acid

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Source
Unknown
Not yet classified by editors
Allergen
No
Role in food
Lactic acid is used as an acidity regulator, flavor enhancer, and preservative. It adds …

What it is

Lactic acid is a naturally occurring organic acid found in milk and produced by bacteria during fermentation. It can be produced commercially through the fermentation of carbohydrates like corn starch or beet sugar.

Why it's used

Lactic acid is used as an acidity regulator, flavor enhancer, and preservative. It adds a sour taste and helps control pH in foods like cheese, yogurt, pickles, and baked goods.

Health notes

In the US, lactic acid is Generally Recognized As Safe (GRAS) by the FDA. It is a normal product of metabolism in the body. International bodies like JECFA have evaluated lactic acid and established acceptable daily intake levels. Evidence does not suggest adverse health effects from typical dietary intake.

Allergen info

Lactic acid itself is not a major allergen. However, it can be derived from milk, so individuals with milk allergies should check product labels.

Products containing Natural Flavor Lactic Acid

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Last updated: September 28, 2026

Note: This site presents label data from USDA FoodData Central for general information. It is not medical advice. Check the package label; formulations change.