Glycerol
Also known as: E422, Glycerin, Glycerine, vegetable glycerine
Glycerol is GRAS in the US and authorised in the EU with no numerical ADI specified, indicating very low toxicological concern. Safe at typical food use levels; high doses can cause GI distress.
What it is
Glycerol (glycerin, E422) is a sugar alcohol that is a colorless, viscous, sweet-tasting liquid.
Humectant, sweetener, solvent, and preservative; retains moisture in foods.
Why it's flagged
- High doses may cause headaches, nausea, or diarrhea
What regulators actually say
"Glycerin ... GRAS when used in accordance with good manufacturing practice."
"The Panel concluded that there is no safety concern for the general population at the refined exposure assessment of glycerol (E 422) when used as a food additive."
Regulatory status
United States — FDA
GRAS (21 CFR 182.1320)
European Union — EFSA
Authorised; ADI 'not specified' historically (JECFA)
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