Food additive · Acidity regulator / processing aid

Calcium peroxide

A flour treatment / dough conditioning agent.

  • Food additive
  • 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 peroxide costs on a product’s receipt.

What the evidence says

  • Restricted useRegulatory

    Health Canada permits it only as a flour treatment agent in listed foods, up to 100 ppm of the flour in bread. [1]

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

Popular products that list calcium peroxide

27 of the 17,000 most-scanned products in the US with a GoodSwap page list calcium peroxide. The 12 most scanned:

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 (4)
  • calcium iodate
  • benzoyl peroxide
  • calcium peroxide
  • potassium iodate dough conditioner

Sources

  1. 2. List of Permitted Flour Treatment Agents (Lists of Permitted Food Additives)

    Health Canada · Dec 18, 2024 · Regulator

    “A.4 Azodicarbonamide n/a (a) Bread (a) Flour treatment agent (a) 45 ppm of the flour n/a”

    canada.ca