Skip to Content

Alginic Acid



ATC (Anatomical Therapeutic Chemical Classification)


CAS registry number (Chemical Abstracts Service)


Therapeutic Categories

Food additive (e number)

Pharmaceutic aid

Treatment of peptic ulcer and gastro-oesophageal reflux disease (GORD)

Chemical Name

A polyuronic acid composed of residues of D-mannuronic and L-guluronic acids, obtained chiefly by extraction of algae belonging to the Phaeophyceae; mainly species of Laminaria[BAN]

Foreign Names

Generic Names

  • Acide alginique (OS: DCF)
  • Alginic Acid (OS: BAN)
  • A 2830-9 (IS)
  • E 400 (IS)
  • Norgine (IS)
  • Polymannuronic Acid (IS)
  • Polymannuronsäure (IS)
  • Acide alginique (PH: Ph. Eur. 6)
  • Acidum alginicum (PH: Ph. Eur. 8, Ph. Int. 4)
  • Alginic acid (PH: Ph. Eur. 8)
  • Alginic Acid (PH: BP 2016, NF 33, Ph. Int. 4)
  • Alginsäure (PH: Ph. Eur. 8)

Brand Names

  • Activeslim (Alginic Acid and Carmellose)
    Samjin, South Korea
  • Apyrosis
    Opalia, Tunisia
  • Apyrosis (pediatric)
    Opalia, Tunisia
  • Biatain Alginate Verband (Alginic Acid and Carmellose)
    Coloplast, Germany
  • Gaviscon
    Reckitt Benckiser, Netherlands; Reckitt Benckiser, Tunisia
  • Gaviscon (Alginic Acid and Aluminium Hydroxide)
    Nordic Drugs, Norway
  • Gaviscon-L (Alginic Acid and Sodium Bicarbonate)
    Reckitt Benckiser, Greece
  • Natriumalginaat
    Unither, Netherlands
  • Purilon (Alginic Acid and Carmellose)
    Coloplast, Germany
  • Topaal (Alginic Acid and Aluminium Oxid)
    Pierre Fabre, Tunisia


BANBritish Approved Name
DCFDénomination Commune Française
ISInofficial Synonym
OSOfficial Synonym
PHPharmacopoeia Name

Further information on drug naming conventions: International Nonproprietary Names.

Important Notice: The international database is in BETA release. This means it is still under development and may contain inaccuracies. It is not intended as a substitute for the expertise and judgement of your physician, pharmacist or other healthcare professional. It should not be construed to indicate that the use of any medication in any country is safe, appropriate or effective for you. Consult with your healthcare professional before taking any medication.

Further information

Always consult your healthcare provider to ensure the information displayed on this page applies to your personal circumstances.