Glycerin
HumectantsCAS: 56-81-5
This is what the ingredient is.
Glycerin (glycerol) is a sugar alcohol derived from fats/oils. Used as a humectant and sweetener.
Here is why it shows up on the label.
It works as a humectant, sweetener, and solvent. Used in candies, baked goods, and protein bars.
Here is what food agencies say.
The FDA lists Glycerin as Generally Recognized as Safe. Europe approves it as additive E422.
Here is what research has found.
Metabolized like carbohydrates. About 60% as sweet as sugar. Keeps products moist.
Here are a few things worth knowing.
May cause digestive upset in large amounts. Contributes calories (~4 kcal/g). Generally well-tolerated.
Sources
- FDA GRAS
- EFSA E422
How to read this page
We publish plain facts about this ingredient so a label is easier to read. This is not medical advice, and it is not a recommendation to buy, avoid, or use anything. For a personal health question, talk with a clinician who knows your history.
v1.0Updated 9/12/2026