FoodScore
0/ 100
AvoidgrainFiber One· 1 bar

Fiber One Original

Fiber One Original receives a FoodScore of 0/100 (Avoid). This score is primarily driven by its classification as an ultra-processed food and its high content of added sugars and saturated fat.

  • Fiber One Original has a FoodScore of 0/100, indicating it is not recommended for regular consumption.
  • Each 100g serving contains 22.59g of added sugar, a significant factor in its low score.
  • The product provides 14.16g of fiber per 100g, a notable amount compared to many snack bars.
  • Classified as NOVA 4, this product is ultra-processed, which contributes to its low nutritional value.
  • Consider this bar as an occasional treat rather than a daily dietary staple due to its nutritional profile.
  • Scores -56 points above the grain category average (56/100 across 107 foods).
Fiber
14.16g
51% of Daily Value
Protein
6.74g
13% of Daily Value
Added sugar
22.59g
45% of Daily Value
Sodium
336.84mg
15% of Daily Value
+
What it brings to the table
Fiber (14.2g)+12
Protein (6.7g)+2
Micronutrients (Potassium)+2
What holds it back
Added sugar (22.6g)-25
Saturated fat (9.8g)-13
Trans fat present-20
Ultra-processed (NOVA 4)-10
Concentrated ultra-processed fat-3

Why it scores 0

Fiber One Original receives a FoodScore of 0 out of 100, placing it in the 'Avoid' category. This low score is a result of several nutritional factors. While the product does offer a notable 14.16g of fiber per 100g, contributing a +12 bonus, and a small protein bonus of +2 for its 6.74g, these positive aspects are significantly outweighed by numerous penalties. A major detractor is the high added sugar content of 22.59g per 100g, which incurs a substantial -25 penalty. The presence of multiple sugar sources like invert sugar, fructose, and sugar contributes to this. Additionally, the product contains 9.82g of saturated fat, leading to a -13 penalty, and the presence of trans fat further deducts -20 points. As a NOVA 4 classified food, it is considered ultra-processed, resulting in a -10 penalty, with an additional -3 penalty for concentrated ultra-processed fat. Compared to a generic whole-grain equivalent, Fiber One Original contains significantly more added sugars and saturated fats, despite its fiber content. The ingredient list also includes bleached wheat flour and various oils, indicating a highly refined product.

Health benefits

What the nutrients in fiber one original actually do for you, grounded in established dietary science.

Supports Digestive Health with Fiber

Fiber One Original provides a substantial 14.16g of fiber per 100g, which can contribute to digestive regularity. This amount is significant for a single serving and can help individuals meet their daily fiber recommendations. Adequate fiber intake is important for maintaining bowel health and can help prevent constipation. The fiber in this product, primarily from soluble corn fiber and whole wheat flour, adds bulk to stool and can aid in smooth digestion.

Convenient Source of Fiber

For individuals seeking to increase their fiber intake quickly and conveniently, Fiber One Original offers a practical option. Its bar format makes it easy to consume on the go, fitting into busy schedules. While not a replacement for whole foods, it can serve as a supplementary source of fiber when access to fruits, vegetables, or whole grains is limited. The product's design focuses on delivering a concentrated amount of fiber in a portable form.

Potassium Contribution

This product contributes 831.58mg of potassium per 100g, which is 18% of the Daily Value. Potassium is an essential mineral that plays a role in maintaining fluid balance and blood pressure. While not a primary source of micronutrients, the potassium content is a notable addition to the overall nutritional profile. This can be a small benefit for those looking to increase their intake of this important electrolyte.

How to eat it

Fiber One Original bars are typically consumed as a snack or a quick breakfast item. They are designed for convenience and portability, often eaten directly from the wrapper. A common portion is one bar, which is intended to provide a significant amount of fiber. However, it's important to consider the overall nutritional context of the bar.

Pair with a source of lean protein, such as plain Greek yogurt or a handful of nuts, to create a more balanced snack that promotes satiety.
Consider consuming only half a bar if you are mindful of added sugar intake, as a full bar contains a notable amount.
Use this bar as an occasional snack rather than a daily staple; prioritize whole, unprocessed fiber sources like fruits, vegetables, and whole grains.
If using for fiber, ensure adequate water intake throughout the day, as fiber requires water to function effectively in digestive health.
Things to keep in mind

Fiber One Original contains several ingredients that warrant attention. The product includes wheat, milk, and egg, which are common allergens. Individuals with sensitivities to these ingredients should avoid this product. The high content of soluble corn fiber can cause digestive discomfort, such as bloating or gas, in some individuals, especially those with irritable bowel syndrome (IBS) or when consumed in large quantities. The product also contains various forms of sugar, including invert sugar and fructose, which contribute to its high added sugar content. While not explicitly stated, the presence of "Natural…" at the end of the ingredient list often indicates natural flavors, which can be complex mixtures. The use of bleached wheat flour means the grain has been refined, removing some nutrients found in whole wheat.

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Reader questions
Is Fiber One Original healthy?
Fiber One Original receives a FoodScore of 0/100, classifying it as 'Avoid.' While it provides a significant amount of fiber (14.16g per 100g), it is also an ultra-processed food high in added sugars (22.59g per 100g) and saturated fat (9.82g per 100g). These factors contribute to its low nutritional score, suggesting it is not a healthy choice for regular consumption.
How does Fiber One Original compare to a generic whole-grain bar?
Compared to a generic whole-grain bar, Fiber One Original typically has a much higher fiber content due to added soluble corn fiber. However, it also tends to contain significantly more added sugars and saturated fats. A generic whole-grain bar, especially one with minimal processing, would generally have a more favorable nutritional profile with fewer refined ingredients.
What is 'soluble corn fiber' in Fiber One Original?
Soluble corn fiber is a type of dietary fiber derived from corn. It is added to products like Fiber One Original to boost their fiber content. While it contributes to the total fiber, it is an isolated fiber often found in ultra-processed foods, and its health benefits may differ from naturally occurring fibers in whole foods.
How many Fiber One Original bars can I eat in a day?
Given its FoodScore of 0/100 and its high content of added sugars and saturated fat, it is recommended to consume Fiber One Original bars infrequently and in moderation. There is no specific daily recommendation, but limiting intake to an occasional treat is consistent with dietary guidelines for ultra-processed foods.
Does Fiber One Original help with weight loss?
Fiber One Original is not specifically formulated for weight loss. While its high fiber content might contribute to feelings of fullness, its significant calorie count (428.95 per 100g) and high added sugar content could counteract weight management efforts. Sustainable weight loss typically involves a diet rich in whole, unprocessed foods and controlled calorie intake.

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Data & references