Appears safe based on current evidence
Safety assessments compiled from FDA, EFSA, FSA, and 7 other regulatory agencies. This information is for educational purposes — consult a healthcare professional for dietary advice.
Alginic Acid
Last reviewed: April 2026 · Data sourced from WHO JECFA, FDA, EFSA, and 7 other regulatory agencies
At a Glance
Quick Answer
Alginic Acid (E400) is rated "Appears Safe" according to current evidence. It is approved in the EU and approved in the US. This additive is currently approved in all four major markets (US, EU, UK, Japan).
On This Page
What is Alginic Acid?
From seaweed
Alginic Acid is classified as a Thickener additive. It is currently approved in all major regulatory markets.
Regulatory Status by Country
🇺🇸 United StatesUS
Approved (GRAS)US name: Alginic Acid
GRAS
🇪🇺 European UnionEU
ApprovedFrom seaweed
🇬🇧 United KingdomUK
Same as EU pre-BrexitUK retained EU food additive regulations post-Brexit with some modifications
🇯🇵 Japan
ApprovedJapanese: アルギン酸
Approved. Japan is major user of seaweed-derived additives
🇨🇦 CanadaCA
ApprovedGenerally aligned with US FDA. Regulated by Health Canada.
🇦🇺 Australia/NZAU/NZ
ApprovedGenerally aligned with EU standards. Regulated by FSANZ.
🇮🇳 India
ApprovedWidely approved internationally. Regulated by FSSAI.
🇰🇷 South KoreaKR
ApprovedGenerally aligned with Japanese standards. Regulated by MFDS.
🇧🇷 Brazil
ApprovedGenerally aligned with Codex/US standards. Regulated by ANVISA.
🇨🇳 China
ApprovedPermitted under GB 2760 national standard.
Note: Canada, Australia/NZ, India, South Korea, Brazil, and China statuses are inferred from international regulatory patterns. Always verify with the relevant national authority.
Expert Analysis
Alginic Acid is classified as a thickener in the food additive regulatory framework. Current scientific evidence supports its safety when consumed within established limits. This additive is approved across multiple major regulatory markets worldwide, suggesting broad scientific consensus on its safety profile. As with all food additives, moderation is key. Consult healthcare professionals for personalized dietary advice.
Is Alginic Acid safe?
Alginic Acid has a safety rating of "Appears Safe". Appears safe based on current evidence
Is Alginic Acid vegan?
Alginic Acid is generally considered vegan-friendly, though sourcing may vary.
Is Alginic Acid banned in Europe?
No, Alginic Acid is Approved in the EU.
What is Alginic Acid made from?
From seaweed
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Frequently Asked Questions
Is Alginic Acid safe?
Is Alginic Acid banned in any country?
What is Alginic Acid used for?
Sources & References
Regulatory data for Alginic Acid is sourced from the following agencies:
- FDA: Substances Added to Food (formerly EAFUS)
- EFSA: Food Additives Database
- FSA: Approved Additives and E Numbers
- MHLW: Standards for Use of Food Additives
- Health Canada: Lists of Permitted Food Additives
- FSANZ: Food Additives
- FSSAI: Food Safety and Standards
- MFDS: Food Additives Standards
- ANVISA: Food Additives Legislation
- GB 2760: National Food Safety Standard
- WHO JECFA: International Safety Evaluations
- CSPI: Chemical Cuisine — Food Additive Safety Ratings
Often Found Together
Other additives with the same safety rating from different categories
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