Ingredient · E422

Refined Glycerin

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Source
Unknown
Not yet classified by editors
Allergen
No
Role in food
Manufacturers add refined glycerin to foods as a humectant to keep them moist, a …

What it is

Refined glycerin, also known as glycerol, is a clear, colorless, odorless, viscous liquid. It is a sugar alcohol that can be derived from plant oils (like soy or palm) or animal fats. It is produced through a process called hydrolysis or by fermentation.

Why it's used

Manufacturers add refined glycerin to foods as a humectant to keep them moist, a solvent for flavors and colors, and a sweetener. It can also act as a preservative and help create a smoother texture. It is commonly found in baked goods, frostings, candies, and processed meats.

Health notes

Refined glycerin is generally recognized as safe (GRAS) by the FDA for use in food. It is metabolized by the body differently than sugar and does not significantly raise blood sugar levels. The Joint FAO/WHO Expert Committee on Food Additives (JECFA) has evaluated glycerin and established an acceptable daily intake. Evidence does not suggest adverse health effects from typical dietary intake.

Allergen info

Refined glycerin is not one of the nine major allergens. It does not contain gluten.

Products containing Refined Glycerin

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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.