Fiber One and Original Cheerios are both marketed as healthy breakfast cereal choices, but they’re very different when it comes to taste and texture.
The question is, should you be choosing one over the other when it comes to ingredients and nutritional benefits.
In this article, I’ll be comparing Fiber One breakfast against Original Cheerios to find out which one is best in the most nutritional categories, as well as comparing the ingredients and cost of each cereal.
Read on to find out which cereal wins, and help us out by voting for your favorite so we can find out which is best for flavor.
Also in This Article
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- Ingredients Comparison
- Fiber One Vs. Original Cheerios Nutritional Comparison:
- Best for Calorie Content
- Best for Carbs & Sugar Content
- Best for Protein Content
- Best for Fat Content
- Best for Fiber Content
- Best for Sodium/Salt Content
- Best for Vitamins/Minerals
- Best for Flavor/Texture
- Best for Price
- Overall Winner
Ingredients Comparision
You can tell a lot about a food product by looking at the ingredients. With Fiber One and Cheerios, the key difference is the main ingredient, which for Fiber One is whole grain wheat, whereas Original Cheerios are predominately made from whole grain oats.
Both kinds of cereal contain their unique mix of ingredients for flavor and texture, including starches and salt.
When it comes to sugar content, Original Cheerios contain added sugar; however, Fiber One contains Sucralose, which is a no-calorie sweetener and has no added sugar.
Fiber One Ingredients | Original Cheerios Ingredients |
Whole Grain Wheat, Corn Bran, Modified Wheat Starch, Color (caramel color and annatto extract), Guar Gum, Cellulose Gum, Salt, Baking Soda, Sucralose, Natural Flavor. | Whole Grain Oats, Corn Starch, Sugar, Salt, Tripotassium Phosphate. Vitamin E (mixed tocopherols) Added to Preserve Freshness. |

Fiber One Vs. Original Cheerios Nutritional Comparison
We’ll now look at the nutritional comparison. Because Fiber One and Original Cheerios have slightly different serving sizes, I’ll also be comparing them per 100g to make sure the data is accurate.
To confirm, the brands and products that I’m comparing are Fiber One Original Breakfast Cereal and Original Cheerios, which are both manufactured by General Mills.
Best for Calorie Content
If you’re tracking your daily calorie consumption, the better option of the two kinds of cereal we’re comparing is Fiber One, which contains 134 fewer calories per 100g than Original Cheerios.
Cereal Type | Calories Per 100g | Calories Per Serving |
Fiber One | 225kcal | 90kcal (per 40g Serving) |
Original Cheerios | 359kcal | 140kcal (per 39g Serving) |
Best for Carbohydrate Content
I’ve included carbohydrates for information, but not in the overall comparison because neither cereal can be considered a low-carb breakfast option.
So for information, the cereal that is lowest in carbs is Fiber One, which Contains 11g fewer carbs per 100g compared to Original Cheerios.
Cereal Type | Carbohydrates Per 100g | Carbohydrates Per Serving |
Fiber One | 85g | 34g (per 40g Serving) |
Original Cheerios | 74g | 29g (per 39g Serving) |
Best for Sugar Content
Fiber One Cereal doesn’t contain any sugar because Sucralose is used as a sweetener instead. Based on this information, if you’re looking to cut out sugar in your diet, then of the two, Fiber one is the better option compared to Cheerios.
However, it’s important to know that compared to some other breakfast cereal options, Original Cheerios are relatively low in sugar, with only 2g per serving.
Cereal Type | Sugars Per 100g | Sugars Per Serving |
Fiber One | 0g | 0g (per 40g Serving) |
Original Cheerios | 5g | 2g (per 39g Serving) |
Best for Protein Content
If protein content is an important consideration for you when choosing a breakfast cereal, of the two Original Cheerios, contain more content per weight of cereal when compared to Fiber One Cereal.
Cereal Type | Protein Per 100g | Protein Per Serving |
Fiber One | 7.5g | 3g (per 40g Serving) |
Original Cheerios | 12.8g | 5g (per 39g Serving) |
Best for Fat Content
Cereals that contain whole grains generally have a small amount of fat which occurs naturally in the grains.
Although neither cereal is high in fat, when comparing Fiber One Cereal to Original Cheerios, the cereal with the lowest fat content is Fiber One which contains 2.5g of fat per 100g and no saturated fat.
Original Cheerios contain 0.5g of saturated fat per serving (which is a nominal amount), and neither kind of cereal contains any cholesterol.
Cereal Type | Fat Per 100g | Of Which is Saturated Fat |
Fiber One | 2.5g | 0g |
Original Cheerios | 6.4g | 2.5g |
Best for Fiber Content
One of the most common things consumers want to know when choosing a breakfast cereal is how much fiber there is per serving.
When comparing Fiber One and Original Cheerios, Fiber One is much higher in Fiber than Original Cheerios with 14g more dietary fiber per serving.
Cereal Type | Dietary Fibre Per 100g | Dietary Fibre per Serving |
Fiber One | 45g | 18g (per 40g Serving) |
Original Cheerios | 10.3g | 4g (per 39g Serving) |
Best for Sodium/Salt Content
Both kinds of cereal contain added salt, and of the two, Fiber One is slightly lower in sodium per weight than Original Cheerios.
To put this into the perspective of a daily recommended value, Fiber One Cereal contains 6%, and Original Cheerios contains 8%.
Cereal Type | Sodium/Salt Per 100g | Sodium/Salt per Serving |
Fiber One | 350mg | 140mg (per 40g Serving) |
Original Cheerios | 487mg | 190mg (per 39g Serving) |
Best for Vitamins/Minerals
Fiber One and Original Cheerios are both fortified cereals which means they have added vitamins and minerals to help consumers get towards their daily recommended intake of various nutrients.
Although they both contain a range of vitamins and minerals, Original Cheerios contain higher levels of nutrients in more categories than Fiber One.
Vitamin/Mineral Type | Fiber One Daily Value % | Original Cheerios Daily Value % |
Vitamin D | – | 10% |
Calcium | 10% | 10% |
Iron | 20% | 70% |
Phosphorus | 6% | 10% |
Potassium | – | 6% |
Magnesium | 8% | 15% |
Thiamin | 20% | 20% |
Riboflavin | 10% | – |
Vitamin B6 | 20% | 20% |
Vitamin C | 10% | 10% |
Vitamin A | – | 10% |
Vitamin B12 | 20% | 20% |
Niacin | – | 10% |
Folic Acid | 20% | 20% |
Zinc | – | 20% |

Best for Flavor/Texture
To judge which cereal is best for flavor and texture, we need a more comprehensive opinion across a broad range of voters.
Please help us out by voting for your favorite in the poll below, and once you vote, you can see the winner so far (no personal information is required to vote).
Best for Price
Fiber One and Original Cheerios are sold in different box sizes, so to get an accurate cost comparison, I’ve compared them per ounce of cereal.
Below are the current prices of each cereal:
- Fiber One 19.6 box = $4.18 / $0.21 per ounce
- Original Cheerios 18oz box = $3.98 / 22¢ per ounce
- Original Cheerios 21.7oz box = $5.48 / 25¢ per ounce
Based on this information, you get slightly more Fiber One cereal for your money when compared to Original Cheerios, making them best for price.
Please note, this information is correct at the time of writing; prices may fluctuate over time and will vary depending on where you shop and offers at the time.
Overall Winner & Summary
All categories have now been compared, and I can announce the cereal that came best in the most categories between Fiber One and Original Cheerios is – Fiber One!
Compared to Cheerios, Fiber One is lower in calories, contains no sugar, it’s lower in fat and salt while being much higher in Fiber.
On the other hand, Cheerios are higher in protein and vitamins, and minerals and are pretty similar in most nutritional categories, so they have their benefits too.
It really comes down to which you like best and which elements of nutrition are most important to you – I hope the data in this article can help you work out which cereal is best for your needs.
Comparison Category | Winner (Fiber One or Cheerios) |
Best for Calorie Content | Fiber One Cereal |
Best for Sugar Content | Fiber One Cereal |
Best for Protein Content | Original Cheerios |
Best for Fat Content | Fiber One Cereal |
Best for Fiber Content | Fiber One Cereal |
Best for Sodium Content | Fiber One Cereal |
Best for Vitamins/Minerals | Original Cheerios |
Best for Price | Fiber One Cereal |
Overall Winner | Fiber One Cereal |
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References Used for this Article
To ensure the nutritional information used in this article is accurate, I have used data from the manufacturer; the links below contain the source information: