Food additive · Color
Iron oxides
- E-number
- E172
Mineral pigments used to color some candies, supplements and pet foods.
- Food additive
- Color (added)
- Color from natural sources
- Expert review pending
Concern level
A minor or very limited concern, such as being an ultra-processing marker only. The concern level sets how many points iron oxides costs on a product’s receipt.
What the evidence says
-
Marker of ultra-processingInfo
An additive 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 iron oxides
1 of the 17,000 most-scanned products in the US with a GoodSwap page list iron oxides.
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 (12)
- e172
- iron oxide
- iron oxides
- red iron oxide
- black iron oxide
- colour iron oxide
- yellow iron oxide
- colour iron oxides
- colours iron oxide
- colour red iron oxide
- iron oxides and hydroxides
- colour iron oxides and hydroxides