Food additive · Thickener / stabilizer

Calcium alginate

E-number
E404

A gelling agent from seaweed.

  • Food additive
  • Thickener, stabilizer or gelling agent
  • Ultra-processing marker
  • Expert review pending

Concern level

Low concern Level 1 of 4 How concern levels work

A minor or very limited concern, such as being an ultra-processing marker only. The concern level sets how many points calcium alginate costs on a product’s receipt.

What the evidence says

  • Marker of ultra-processingInfo

    An ingredient class typical of ultra-processed foods (NOVA group 4). [1]

Evidence tiers say how sure the evidence is, separately from how much it matters. About evidence tiers.

Popular products that list calcium alginate

8 of the 17,000 most-scanned products in the US with a GoodSwap page list calcium alginate.

Diets and allergens

Vegan
Yes
Vegetarian
Yes
Gluten-free
Yes

For the ingredient in general. Always check the package: a product’s own labels win.

Names GoodSwap recognizes on labels (3)
  • e404
  • calcium alginate
  • thickener calcium alginate

Sources

  1. Ultra-processed foods: what they are and how to identify them

    Public Health Nutrition · April 2019 · Peer-reviewed

    doi.org