What is E400? Alginic Acid Explained
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E400 is Alginic Acid — a thickener (seaweed) used in soups and gravies, yoghurts.
What is E400 (Alginic Acid)?
E400 is Alginic Acid, 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, E400 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 E400 found?
E400 (Alginic Acid) 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 E400 safe?
EFSA has reviewed E400 and considers it safe for human consumption at the levels used in food. No credible evidence links Alginic Acid to harm at normal dietary intakes.
EFSA opinion: Alginic Acid — status Safe.
Check the calorie content of foods containing E400. If you’re pregnant, see our pregnancy food safety guide.
Cleaner alternatives to E400
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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E400 FAQs
What is E400 in food?
E400 is Alginic Acid — a thickener (seaweed) used in soups and gravies, yoghurts.
Is E400 safe to eat?
EFSA has reviewed E400 and considers it safe for human consumption at the levels used in food. No credible evidence links Alginic Acid to harm at normal dietary intakes.
Is E400 vegan?
E400 (Alginic Acid) is vegan. It is derived from seaweed, with no animal involvement in standard food production.
Is E400 halal?
E400 (Alginic Acid) 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