Are Fiber One Bars healthy? This Fiber One Bar dietitian review will help you decide if Fiber One Bars are a healthy addition to your grocery cart. Read on for our dietitian review of taste, nutritional properties, ingredients, use, and cost before you buy.
About Fiber One Bars
Fiber One bars are oat-based granola bars with added fiber. According to the Fiber One website, they are “bars that will satisfy cravings without sacrificing your healthy lifestyle”.
Taste & Texture
Fibre One bars have a chocolatey, slightly sweet flavor. They have a chewy oat texture similar to other soft granola bars.
Fiber One Bar Ingredients
|Oats & Chocolate (USA)||Oats & Chocolate (CAN)|
|Ingredients||Chicory root extract, whole grain oats, semisweet chocolate (sugar, chocolate liquor, cocoa butter, soy lecithin, natural flavour), corn syrup, rice flour, whole grain barley flakes, sugar, vegetable glycerin, canola oil, palm kernel oil, maltodextrin, tricalcium phosphate, soy lecithin, sugarcane fiber, cocoa, salt, fructose, dutch cocoa, barley malt extract, cellulose gum, baking soda, milk powder, natural flavor, vitamin E (added to retain freshness)||Chicory root extract, whole grain rolled oats, chocolate chips (sugar, chocolate liquor, cocoa butter, soy lecithin, natural flavour), crisp rice (rice flour, sugar, barley malt extract, salt, monoglycerides, caramel colour, tocopherols), high maltose corn syrup, sugar, corn syrup, whole grain barley flakes, glycerin, canola oil, palm kernel oil, maltodextrin, tricalcium phosphate, soy lecithin, cocoa, salt, fructose, refined peanut oil, natural flavour, baking soda, milk ingredient, caramel colour, rosemary extract.|
Chicory root extract: a source of soluble fiber used to increase the fiber content of food products.
Whole grain rolled oats: a type of whole grain that contributes carbohydrates and fiber to Fiber One bars.
Chocolate: used to flavour the bars.
Corn syrup: made from the sugar found in corn kernels.
Rice flour: used as a binder, filler, and thickener in food products.
Whole grain barley flakes: a type of whole grain and source of fiber.
Sugar: used to sweeten Fiber One bars.
Vegetable glycerin: used as a flavor enhancer and preservative in food products.
Canola oil: a type of oil made from the canola seed. Canola oil is rich in oleic acid (omega-9).
Palm kernel oil: a type of oil rich in saturated fats.
Maltodextrin: a source of fiber obtained from starchy foods, such. as corn.
Tricalcium phosphate: an anti-caking agent used to improve the texture of foods.
Soy lecithin: a common preservative added to packaged foods. Read our Lecithin – Food Ingredient Review for more information.
Sugarcane fiber: the fibrous part of the sugar cane plant.
Cocoa: used to add flavor.
Salt: source of sodium in Fiber One bars.
Fructose: a source of sugar in Fiber One bars.
Barley malt extract: flavoring agent.
Cellulose gum: thickening and stabilizing agent used for textural properties.
Baking soda: buffering agent.
Milk powder: dried milk, a source of dairy.
Natural flavor: flavoring agent. See What are Natural Flavours and Should You Avoid Them? for everything you need to know.
Vitamin E: source of antioxidants used as a preservative in packaged foods.
Fiber One Bar Nutrition Facts
|Oats & Chocolate (USA)||Oats & Chocolate (CAD)|
|Saturated fat (g)||1.5||1.5|
Note: the nutrition facts below reflect the Oats & Chocolate Fiber One bar available in the U.S. See the above chart for the nutrition facts for the Canadian product version.
Fat: 4g, from canola oil and palm kernel oil.
Saturated fat: 1.5g, from palm kernel oil.
Sodium: 95mg, from added salt.
Carbohydrate: 29g, from oats, rice flour, barley flakes, sugar, and chicory root extract.
Fiber: 9g, from chicory root extract.
Sugar: 9g, from sugar, corn syrup, and fructose.
Protein: 2g, from the trace amounts found in oats and other ingredients.
Micronutrients: 0.8mg of iron from whole grain ingredients and 140mg of calcium per bar from tricalcium phosphate.
Want to know how Fiber One bars compare to other granola bars at the grocery store? Check out our Granola Bar Nutrition Facts Comparison Chart here.
Fiber One bars are available for $3.67 CAD per 5-pack and $6.99 USD per 10-pack.
Are Fiber One Bars Healthy?
Fiber One bars are high in fiber and provide a source of carbohydrates mainly from whole grain ingredients, such as oats and barley. A high-fiber diet has many health benefits and can help stabilize blood sugars and keep you full between meals. However, Fiber One bars also contain a moderately high amount of sugar and several highly processed ingredients.
Overall, we give Fiber One bars a nutrition score of 69 out of 100, meaning they are a suitable option to choose sometimes. Want to see how Fiber One bars compare to other granola bars at the grocery store? Check out our Granola Bar Nutrition Facts Comparison chart here.
Frequently Asked Questions
How much fiber is in a Fiber One bar?
There is 9g of fiber in a Fiber One bar.
Are Fiber One bars good for constipation?
Fiber One bars contain a significant amount of fiber, at 9g per bar. The added fiber in these bars is from Chicory Root Extract, a source of soluble fiber. Soluble fiber is water-soluble and becomes gel-like in the digestive tract, which softens stool and can help with constipation.
Are Fiber One bars gluten-free?
No, Fiber One bars contain barley ingredients and are not considered gluten-free.
Are Fiber One bars nut-free?
Fiber One bars may contain peanuts and almonds.
Are Fiber One bars dairy-free?
No, Fiber One bars are not dairy-free as they contain milk ingredients.
Calories in a Fiber One bar?
There are 140 calories in a Fiber One bar.
Are Fiber One bars vegan?
No, Fiber One bars are not vegan as they contain milk ingredients.
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- Inulin, Health Canada (2023)
- Defined Organism Substance – Rice flour, Health Canada (2023)
- Glycerol, Health Canada (2023)
- About Canola Oil, Canola Oil Council of Canada (accessed Oct 11, 2023)
- List of Dietary Fibres Reviewed and Accepted by Health Canada’s Food Directorate, Health Canada (2021)
- List of Permitted Anticaking Agents (Lists of Permitted Food Additives), Health Canada (2022)
- Cocoa, Health Canada (2023)
- Malt Extract, Listing of Specific Substances Affirmed as GRAS, Code of Federal Regulations – 21, U.S Food & Drug (2023)
- List of Permitted Emulsifying, Gelling, Stabilizing or Thickening Agents (Lists of Permitted Food Additives), Health Canada (2023).
- Sodium Bicarbonate, Health Canada (2023)
- Vitamin E in Tocophersolan, Health Canada (2023).