Ingredient

Buttermilk

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Source
Animal-derived
Allergen
No
Role in food
Manufacturers use buttermilk to add moisture, tenderness, and a distinctive tangy flavor to baked …

What it is

Buttermilk is the slightly acidic liquid left over after churning butter from cream. Modern cultured buttermilk is typically made by adding lactic acid bacteria to low-fat or skim milk, causing it to thicken and develop a tangy flavor.

Why it's used

Manufacturers use buttermilk to add moisture, tenderness, and a distinctive tangy flavor to baked goods like pancakes, biscuits, and cakes. Its acidity also helps with leavening when combined with baking soda, and it can be used in marinades or snack seasonings.

Health notes

As a traditional dairy product, buttermilk is Generally Recognized As Safe (GRAS) by the FDA when used as a food ingredient. It is considered a nutritious food, often containing probiotics if cultured. Buttermilk is not typically evaluated by JECFA or EFSA as a food additive, but rather as a common food item.

Allergen info

Buttermilk is derived from milk, which is one of the nine major food allergens identified by the FDA.

Products containing Buttermilk

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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.