Is it ultra-processed?
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Is Fiber One Cereal ultra-processed?

555 g Extruded cereals Sold in the United States

Pack of Fiber One Cereal

Yes, it's ultra-processed

  1. 1 Unprocessed
  2. 2 Kitchen staple
  3. 3 Processed
  4. 4 Ultra-processed

Signs of ultra-processing in its ingredients:

  • 32 ingredients
  • 5 additives
  • Nutri-Score B

Less processed extruded cereals

Less processed isn't automatically healthier, so compare the labels for what matters to you, such as sugar or salt.

Ingredients

Ultra-processing Processing signs are highlighted

Wheat, Corn Bran, Modified Wheat Starch, Color (caramel color, annatto), Guar Gum, Cellulose Gum, Salt, Baking Soda, Sucralose, Vitamins, Minerals (Calcium Carbonate), Vitamin C (sodium ascorbate), Iron, Zinc (mineral nutrients), A B Vitamin (niacinamide), Vitamin B (pyridoxine hydrochloride), Vitamin B (thiamin mononitrate), vitamins, vitamin B2, riboflavin, A B vitamins, folic acid, Vitamin B12, ingredients

Additives: E412 Guar gum , E466 Sodium carboxy methyl cellulose , E500 Sodium carbonates , E500ii Sodium hydrogen carbonate , E955 Sucralose

As written on the pack

Whole Grain Wheat, Corn Bran, Modified Wheat Starch, Color (caramel color and annatto extract), Guar Gum, Cellulose Gum, Salt, Baking Soda, Sucralose. Vitamins and Minerals: Calcium Carbonate, Vitamin C (sodium ascorbate), Iron and Zinc (mineral nutrients), A B Vitamin (niacinamide), Vitamin B (pyridoxine hydrochloride). Vitamin B, (thiamin mononitrate), Vitamin B2 (riboflavin), A B Vitamin (folic acid), Vitamin B12. CONTAINS WHEAT INGREDIENTS.

What makes it ultra-processed

Cosmetic additives

Added to change how the food looks, feels or tastes, not to keep it safe. A hallmark of ultra-processed food.

  • E412 Guar gum Guar gum is a thickener ground from the seeds of the guar plant.
  • E466 Sodium carboxy methyl cellulose Carboxymethyl cellulose is a thickener made by chemically modifying cellulose from wood or cotton.
  • E955 Sucralose Sucralose is a sweetener made by chlorinating sugar.
  • Colour Colours are added to restore colour lost in processing or to make a product look more appealing.
  • Modified starch Modified starch is starch altered physically, with enzymes or chemically, so that it thickens, gels or survives freezing and heating better than ordinary starch.
2 ingredients that would only make it processed

Kitchen staples like sugar, salt and oil. On their own they make a food processed, not ultra-processed.

  • Salt Salt, added for taste and preservation.
  • Starch Starch extracted from cereals or potatoes, used to thicken.

How the NOVA groups work

Among 373 extruded cereals

From least to most processed, this one ranks 329th. 64% of the extruded cereals here are ultra-processed.

Ranked by NOVA group, then by the number of ultra-processing signs, additives and ingredients. Our ordering, not part of NOVA.

All 373 extruded cereals, least processed first

About this information

  • Data from this product on Open Food Facts (barcode 0016000157620, last edited 11 July 2026), available under the Open Database License. If something is wrong or the recipe has changed, you can correct it there.
  • Photo: Open Food Facts contributors, CC BY-SA 3.0.
  • The NOVA group is an automated estimate from crowdsourced data: a missing or mistyped ingredient can change it.
  • NOVA measures processing, not nutrition. For nutrition, Open Food Facts gives this product a Nutri-Score of B (from A, best, to E).
  • General information, not medical or dietary advice. Check the pack if you have an allergy.