What E420 actually is
Sorbitol is about 60 percent as sweet as sugar with roughly a third fewer calories, and it holds moisture, which is why it keeps sugar-free sweets soft rather than rock hard. It occurs naturally in apples, pears, prunes, and stone fruit, which is also why prunes have their well-known reputation.
What it is made from
Manufactured by hydrogenating glucose, usually from corn or wheat starch. Despite the name it contains no alcohol in the drinkable sense; sugar alcohol refers to the chemical structure.
Vegan, vegetarian, and halal status
Sorbitol is plant-derived and contains no ethanol, so it suits vegan, vegetarian, and halal diets. The sugar alcohol name causes confusion here but has nothing to do with intoxicating alcohol.
Is E420 safe?
Sorbitol is permitted with no numerical intake limit, but it carries a mandatory labelling requirement instead. Because it is poorly absorbed in the small intestine, it draws water into the bowel and ferments in the colon. Above 10 percent sorbitol content, EU and UK packs must state that excessive consumption may produce laxative effects. This is not a toxicity warning, it is a plain description of what happens. People with IBS are often advised to limit polyols, and sorbitol is the P in the FODMAP acronym.
- Laxative effect above roughly 20 to 50 grams, which is achievable from sugar-free sweets
- Bloating, wind, and cramping, particularly in people with IBS
- A FODMAP polyol, so it is restricted on low-FODMAP diets
- Mandatory excessive consumption may produce laxative effects warning above 10 percent
Where regulators stand
- EFSA (EU)
- Permitted with no numerical acceptable daily intake. Mandatory laxative-effect warning above 10 percent.
- FDA (US)
- Generally recognized as safe, with a laxative-effect warning required above 50 grams per day of reasonably foreseeable intake.
Foods it turns up in
- Sugar-free chewing gum and mints
- Sugar-free sweets and chocolate
- Diabetic and low-sugar baked goods
- Toothpaste and mouthwash
- Some medicines and syrups
Names it hides behind
- E420
- Sorbitol
- Sorbitol syrup
- Glucitol
- Sweetener (E420)
Common questions
- Why does sugar-free gum say it may have a laxative effect?
- Sorbitol is poorly absorbed, so it pulls water into the bowel and ferments in the colon. Above 10 percent content the warning is mandatory in the EU and UK.
- Is sorbitol halal?
- Yes. Despite the sugar alcohol name it contains no ethanol. It is made by hydrogenating plant-derived glucose.
- How much sorbitol causes problems?
- Effects typically start somewhere between 20 and 50 grams, which a determined session with sugar-free sweets can reach.
- Is sorbitol safe for diabetics?
- It raises blood glucose far less than sugar, which is why it is used in diabetic products, but it still carries calories and the digestive effects apply.
- Is sorbitol a FODMAP?
- Yes, it is one of the polyols in the FODMAP group, which is why low-FODMAP diets restrict it.
Checking a real pack
This page answers the code. The pack in your hand is what decides, because the same code can come from different sources depending on the manufacturer. LabelWise, formerly SafeChoice, scans the label and explains what is in front of you.
LabelWise content is educational and describes how additives are made, regulated, and labelled. It is not medical, dietary, or religious advice. For certification questions, the mark on the pack and the certifying body are the authority.