What is E403? Ammonium Alginate Explained
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E403 is Ammonium Alginate — a thickener (seaweed) used in soups and gravies, yoghurts.
What is E403 (Ammonium Alginate)?
E403 is Ammonium Alginate, a food additive classified as a thickeners & gelling agent that thicken and gel foods. A thickener (seaweed) used in soups and gravies, yoghurts. You'll find it in soups and gravies, yoghurts, jams and many other packaged foods. Like every E-number, E403 has been authorised for use in food following an EFSA safety evaluation — though authorisation doesn't mean concern-free, as the safety section below explains.
Where is E403 found?
E403 (Ammonium Alginate) is found in soups and gravies, yoghurts, jams, ready meals, salad dressings, ice cream.
- soups and gravies
- yoghurts
- jams
- ready meals
- salad dressings
- ice cream
Is E403 safe?
EFSA has reviewed E403 and considers it safe for human consumption at the levels used in food. No credible evidence links Ammonium Alginate to harm at normal dietary intakes.
EFSA opinion: Ammonium Alginate — status Safe.
Check the calorie content of foods containing E403. If you’re pregnant, see our pregnancy food safety guide.
Cleaner alternatives to E403
organic vegan seaweed snacks
MORiSH Crispy Seaweed Thins
Want a snack where you can read every ingredient? MORiSH crispy seaweed thins are organic, vegan and gluten-free — no hidden E-numbers.
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E403 FAQs
What is E403 in food?
E403 is Ammonium Alginate — a thickener (seaweed) used in soups and gravies, yoghurts.
Is E403 safe to eat?
EFSA has reviewed E403 and considers it safe for human consumption at the levels used in food. No credible evidence links Ammonium Alginate to harm at normal dietary intakes.
Is E403 vegan?
E403 (Ammonium Alginate) is vegan. It is derived from seaweed, with no animal involvement in standard food production.
Is E403 halal?
E403 (Ammonium Alginate) is halal. It is derived from seaweed, which involves no haram sources.
Related Thickeners & Gelling Agents additives
Also check: safe for cats? · safe for dogs? · calorie checker · medication interactions
Data: Open Food Facts (ODbL) · EFSA