View full-size photo · Photo: Open Food Facts contributors, CC BY-SA
Fiber One Cereal
Fiber One Cereal by Fiber one provides 383 kcal per 100 g, with 2.5 g of sugars and 7.5 g of protein. That is 88% less sugar than the average product in this category. Its Nutri-Score is B and it is classified as NOVA 4 (ultra-processed food). It is listed in the Extruded cereals category and comes in a 555 g pack. Contains: gluten.
Nutrient levels per 100 g
Levels use UK front-of-pack reference thresholds.
Nutrition facts
Serving size: 0.667 cup (40 g)
| Nutrient | Per 100 g | Per serving | % DV* | Category avg |
|---|---|---|---|---|
| Calories | 383 kcal | 153 kcal | 385 | |
| Total fat | 2.5 g | 1 g | 1% | 5 −50% |
| Saturated fat | 0 g | 0 g | 0% | 1.1 −100% |
| Carbohydrates | 82.5 g | 33 g | 12% | 74.6 +11% |
| Total sugars | 2.5 g | 1 g | 21.7 −88% | |
| Added sugars | 0 g | 0 g | 0% | 16.5 −100% |
| Dietary fiber | 45 g | 18 g | 64% | 7.4 +511% |
| Protein | 7.5 g | 3 g | 6% | 8.8 −15% |
| Salt | 0.9 g | 0.4 g | 0.7 +18% |
*% Daily Value for a serving, based on a 2,000-calorie diet (FDA reference values). Category average across 1162 Extruded cereals products on Foodmetria.
Compared with other extruded cereals
Bar shows the share of products in this category that contain less of the nutrient.
Ingredients
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.
- Allergens
- Gluten
Additives 5
Overexposure risk is based on EFSA evaluations as recorded by Open Food Facts.
Product details
- Quantity
- 555 g
- Serving size
- 0.667 cup (40 g)
- Labels & certifications
- KosherOrthodox Union KosherFiber One
- Sold in
- United States
- Barcode
- 0016000157620
Prices reported by shoppers
Loading prices…
Frequently asked questions
How many calories are in Fiber One Cereal?
Fiber One Cereal contains 383 kcal per 100 g and about 153 kcal per serving (0.667 cup (40 g)).
How much sugar is in Fiber One Cereal?
Fiber One Cereal has 2.5 g of sugars per 100 g, which is considered low by UK front-of-pack guidelines.
Is Fiber One Cereal healthy?
It has a Nutri-Score of B (A is best, E is worst); it is in NOVA group 4 — ultra-processed food. Scores describe nutritional quality and processing, not suitability for your individual diet.
What allergens does Fiber One Cereal contain?
According to the label data it contains: Gluten. Recipes change — always check the package label.
Source: Open Food Facts (ODbL). Last updated July 11, 2026. Spotted a mistake? Edit this product on Open Food Facts. Not medical advice — always check the package label.
Reviews
Compare & rankings
Healthier alternatives
Best in category →Same category, meaningfully better on at least one measure and no worse on the others. Each card shows what improves.
More extruded cereals
View all →
c NOVA 4 
a NOVA 3 
a NOVA 4 
a NOVA 4 
d NOVA 3 
a NOVA 1 More from Fiber one
View all →
NOVA 4 
c NOVA 4 
c NOVA 4 
c NOVA 4 
c NOVA 4 
c NOVA 4