Glycerol
Also known as: Glycerine, Glycerin
EmulsifiersSweetenersHumectantsThickeners
Safety rating
Generally Safe
Eat Away!Generally SafeUse SparinglyAvoid
Purpose and Function
Glycerol is a naturally occurring sugar alcohol used as a humectant to retain moisture in foods, a mild low-glycemic sweetener, a solvent for flavorings and colorings, and an emulsifier and bulking agent.
Commonly found in
- —Cakes, candies, and baked goods (moisture retention)
- —Sugar-free and low-sugar products
Key functions
- —Retains moisture in food
- —Provides mild sweetness
- —Dissolves flavorings and colorings evenly
- —Adds bulk without significant calories
Potential Risks and Side Effects
- 01Generally regarded as safe (GRAS) by the FDA and EFSA
- 02Excessive consumption can have a laxative effect — bloating, gas, or diarrhea
- 03Very high doses may draw water into the intestines, risking dehydration if fluid intake is inadequate
- 04Contains about 4.3 calories per gram, contributing modestly to caloric content despite being marketed in sugar-free products
