Fiber One
Fiber One Cereal
Ingredient score
8/10
1 ingredient worth a closer look
Worth a closer look
Caramel colorLimited concern
Some types contain 4-MEI, a possible carcinogen in animal studies; FDA sees no short-term risk at food levels.
Worth knowing; no urgent action implied.
Try instead
Ingredients
Whole grain wheatCorn branModified wheat starchColorCaramel color and annatto extractGuar gumCellulose gumSaltBaking sodaSucraloseVitamins and mineralsCalcium carbonateVitamin CSodium ascorbateIron and zincMineral nutrientsA b vitaminNiacinamideVitamin BPyridoxine hydrochlorideVitamin BThiamin mononitrateVitamin B2RiboflavinA b vitaminFolic acidVitamin B12. contains wheat ingredients
About this result
Open Food Facts record · updated Jul 11, 2026 · US · 555 g
Product data and photos from Open Food Facts (openfoodfacts.org), available under the Open Database License and CC BY-SA.
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