E422 · Glycerol
We haven’t recorded a regulator assessment for Glycerol yet. The information below comes from our ingredient database; a verdict will appear here once EFSA, FDA or WHO positions are added.
What is E422?
Glycerol (glycerin) is a naturally occurring, sweet-tasting, syrupy liquid found in fats and oils, used in food as a humectant, solvent, and sweetener, and widely used in cosmetics and pharmaceuticals for its moisturizing properties. It can be derived from plant oils (e.g., palm, soy) or animal fat, or made synthetically, so its origin varies by manufacturer and product. It is considered safe for consumption and topical use within normal food-use levels.
Also appears on labels as: Glycerol, E422, E 422, E-422, Glycerin, Glycerine, 1,2,3-Propanetriol, Propane-1,2,3-triol, Glycerol Syrup, Glycerol Solution, INS 422, Food Grade Glycerol.
What the evidence says
- Can have a mild laxative effect and cause headache, thirst, or nausea if consumed in large amounts.
- May be sourced from animal fat or plant oil depending on the manufacturer, which matters for those avoiding animal-derived ingredients.
Frequently asked questions
Is E422 safe?
Our overall verdict for E422 (Glycerol) is “Not yet rated”, based on the most cautious of the major regulators’ positions — no regulator assessment is recorded in our database yet.
Is E422 vegan, halal or gluten-free?
According to our ingredient data for Glycerol — vegan: no, vegetarian: no, halal: no, kosher: no, gluten-free: yes, dairy-free: yes. Manufacturing sources can vary between products; check the label if it matters to you.
What is E422 and why is it used?
Glycerol (glycerin) is a naturally occurring, sweet-tasting, syrupy liquid found in fats and oils, used in food as a humectant, solvent, and sweetener, and widely used in cosmetics and pharmaceuticals for its moisturizing properties. It can be derived from plant oils (e.g., palm, soy) or animal fat, or made synthetically, so its origin varies by manufacturer and product. It is considered safe for consumption and topical use within normal food-use levels.
Does E422 contain allergens?
No known allergens are recorded for Glycerol.
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This page summarises publicly available regulatory assessments and research. It is general information, not medical advice. Sources: EFSA, FDA, WHO and the studies linked above.