Updated:March, 2026

10 Best High Fiber Cereals of 2026

Best Choice

9.9

Outstanding

Grape-Nuts

Grape-Nuts Original Cereal, Crunchy Whole Grain Wheat and Barley, Non-GMO, 20.5 oz Box

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Why We Love It

One 20.5 oz box of Post Grape Nuts Original Breakfast Cereal
Post Grape-Nuts Cereal is a heart-healthy (2) breakfast cereal option that offers an extremely crunchy texture in your morning cereal bowl
Grape Nuts Cereal is Non-GMO Project Verified and made with whole grain wheat and barley baked into sweet crunchy nuggets
Contains 52g of whole grain (1) and 7g of fiber per serving and is high in iron and folate
Enjoy a bowl as part of breakfast or add crunch and texture to yogurt parfaits and ice cream

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Why We Love It

One 20.5 oz box of Post Grape Nuts Original Breakfast Cereal
Post Grape-Nuts Cereal is a heart-healthy (2) breakfast cereal option that offers an extremely crunchy texture in your morning cereal bowl
Grape Nuts Cereal is Non-GMO Project Verified and made with whole grain wheat and barley baked into sweet crunchy nuggets
Contains 52g of whole grain (1) and 7g of fiber per serving and is high in iron and folate
Enjoy a bowl as part of breakfast or add crunch and texture to yogurt parfaits and ice cream

How We Find the Top Picks

We use smart data tools to review thousands of products and stores, analyzing ratings, reviews, and popularity trends to highlight what truly matters to shoppers like you.

Our experts then refine the results, blending AI insights with real user experiences to deliver accurate, up-to-date rankings that help you choose with confidence.

9.5

Excellent

Fiber One

Fiber One Cereal, Original Bran, High Fiber Cereal Made with Whole Grain, 19.6 oz

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Main Highlights

HIGH FIBER CEREAL: Delivers 65% daily value of fiber per serving. Diets high in fiber can help keep your digestive system on track
FUEL YOUR MORNING: A delicious cereal containing whole grains and 90 calories per serving to help get your morning started
WHOLE GRAIN CEREAL: Each serving provides 18g of whole grain (at least 48g recommended daily), plus vitamins and minerals
FIBER BREAKFAST OR SNACK: Enjoy as a tasty cold cereal, or add the great taste to recipes for bran muffins or high fiber cookies
CONTAINS one 19.6 oz cereal box of General Mills Fiber One Original Bran Cereal

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Main Highlights

HIGH FIBER CEREAL: Delivers 65% daily value of fiber per serving. Diets high in fiber can help keep your digestive system on track
FUEL YOUR MORNING: A delicious cereal containing whole grains and 90 calories per serving to help get your morning started
WHOLE GRAIN CEREAL: Each serving provides 18g of whole grain (at least 48g recommended daily), plus vitamins and minerals
FIBER BREAKFAST OR SNACK: Enjoy as a tasty cold cereal, or add the great taste to recipes for bran muffins or high fiber cookies
CONTAINS one 19.6 oz cereal box of General Mills Fiber One Original Bran Cereal

9.5

Excellent

Cascadian Farm

Cascadian Farm Organic Hearty Morning Fiber Cereal 14.6 oz Box

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Main Highlights

FIBER CEREAL: Made with organic whole grain oats, crisp rice, golden honey and 8g of fiber per serving
NON GMO: Certified organic granola cereal made without GMOS or synthetic pesticides
ORGANIC SNACK: Perfect for breakfast, an afternoon snack or on top of your evening ice cream
WHOLESOME CEREAL: Kosher and contains no artificial flavors or artificial colors
BOX CONTAINS: 14.6 oz cereal box

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Main Highlights

FIBER CEREAL: Made with organic whole grain oats, crisp rice, golden honey and 8g of fiber per serving
NON GMO: Certified organic granola cereal made without GMOS or synthetic pesticides
ORGANIC SNACK: Perfect for breakfast, an afternoon snack or on top of your evening ice cream
WHOLESOME CEREAL: Kosher and contains no artificial flavors or artificial colors
BOX CONTAINS: 14.6 oz cereal box

9.2

Excellent

Fiber One

Fiber One Honey Clusters Breakfast Cereal, Fiber Cereal Made with Whole Grain, 17.5 oz

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Main Highlights

FIBER CEREAL: Delivers 36% daily value of fiber. Diets high in fiber can help keep your digestive system on track
HONEY CEREAL: Delicious, lightly sweetened flakes with honey clusters, made with a touch of real honey
WHOLE GRAIN GOODNESS: Each serving provides 31g of whole grain (at least 48g recommended daily), plus vitamins and minerals
FIBER BREAKFAST OR SNACK: Enjoy as a morning cold cereal, or add the honey cereal crunch to homemade trail mix or yogurt
CONTAINS: one 17.5 oz cereal box of General Mills Fiber One Honey Clusters Cereal

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Main Highlights

FIBER CEREAL: Delivers 36% daily value of fiber. Diets high in fiber can help keep your digestive system on track
HONEY CEREAL: Delicious, lightly sweetened flakes with honey clusters, made with a touch of real honey
WHOLE GRAIN GOODNESS: Each serving provides 31g of whole grain (at least 48g recommended daily), plus vitamins and minerals
FIBER BREAKFAST OR SNACK: Enjoy as a morning cold cereal, or add the honey cereal crunch to homemade trail mix or yogurt
CONTAINS: one 17.5 oz cereal box of General Mills Fiber One Honey Clusters Cereal

9.0

Excellent

Poop Like a Champion

Poop Like A Champion Ultra High Fiber Cereal - Non GMO - Fiber Supplement - Corn Bran | Breakfast Essentials with Soluble Fiber, Insoluble Fiber & Psyllium Husk Powder

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Main Highlights

Enjoy the Poo-Phoria Be a Master of Your Movements with our High Fiber Cereal with soluble and insoluble fiber! Absorb more nutrients, improve digestion, colon cleanse and go Number 2 regularly!
Fiber Power in 1 BowlJust one morning serving of our gluten-free cereal meets 79% of your daily fiber needs! Embrace the energizing convenience of a cheerful breakfast that is packed with psyllium fiber. Embrace the convenience of a breakfast that keeps you on track.
Natural, Premium Ingredients Clean food and premium ingredients only - Non-GMO sorghum flour, psyllium husk powder, corn bran and more! High fiber, keto friendly, & gluten free healthy food,
Premium Goodness, Guilt-FreeExperience our high fiber gluten-free cereal, crafted with the finest natural and non-GMO ingredients like sorghum flour, psyllium husk powder, and corn bran. Each bite is a testament to our commitment to clean, high-quality food.
Poop Like A Champion! Healthy food isn't made to taste great, but its MADE to WORK GREAT! But if you like, crank up the flavor with a little brown sugar or honey for a sweet, nutty taste. Make sure to store the product in cool, dry, and dark place to keep out moisture and other contaminants as the humidity and the heat can impact the quality of the product.

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Main Highlights

Enjoy the Poo-Phoria Be a Master of Your Movements with our High Fiber Cereal with soluble and insoluble fiber! Absorb more nutrients, improve digestion, colon cleanse and go Number 2 regularly!
Fiber Power in 1 BowlJust one morning serving of our gluten-free cereal meets 79% of your daily fiber needs! Embrace the energizing convenience of a cheerful breakfast that is packed with psyllium fiber. Embrace the convenience of a breakfast that keeps you on track.
Natural, Premium Ingredients Clean food and premium ingredients only - Non-GMO sorghum flour, psyllium husk powder, corn bran and more! High fiber, keto friendly, & gluten free healthy food,
Premium Goodness, Guilt-FreeExperience our high fiber gluten-free cereal, crafted with the finest natural and non-GMO ingredients like sorghum flour, psyllium husk powder, and corn bran. Each bite is a testament to our commitment to clean, high-quality food.
Poop Like A Champion! Healthy food isn't made to taste great, but its MADE to WORK GREAT! But if you like, crank up the flavor with a little brown sugar or honey for a sweet, nutty taste. Make sure to store the product in cool, dry, and dark place to keep out moisture and other contaminants as the humidity and the heat can impact the quality of the product.

8.8

Very Good

Kashi

Kashi GO Protein Cereal, 10g Protein, 10g Fiber, Peanut Butter Crunch, 16.9oz Box (1 Box)

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Main Highlights

Level up your day with Kashi GO Peanut Butter Crunch breakfast cereal; Enjoy a sweet and crispy combo of plant protein and peanut butter clusters
Peanut butter goodness and crunchy multigrain clusters combine for a wholesome fiber cereal with nourishing whole grains
10g protein (16% daily value) and 10g fiber (contains 9g total fat per serving); Kosher Dairy; Contains soy, peanut, and wheat ingredients
Endless delicious flavor to enjoy with your favorite nut or dairy milk; Makes a tasty snack at work, before the gym, or as a part of a quick dinner
Includes 1, 16.9oz box of Kashi GO Peanut Butter Crunch cereal; Packaged for freshness and great taste

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Main Highlights

Level up your day with Kashi GO Peanut Butter Crunch breakfast cereal; Enjoy a sweet and crispy combo of plant protein and peanut butter clusters
Peanut butter goodness and crunchy multigrain clusters combine for a wholesome fiber cereal with nourishing whole grains
10g protein (16% daily value) and 10g fiber (contains 9g total fat per serving); Kosher Dairy; Contains soy, peanut, and wheat ingredients
Endless delicious flavor to enjoy with your favorite nut or dairy milk; Makes a tasty snack at work, before the gym, or as a part of a quick dinner
Includes 1, 16.9oz box of Kashi GO Peanut Butter Crunch cereal; Packaged for freshness and great taste

8.6

Very Good

Kellogg's

Kellogg’s Raisin Bran Breakfast Cereal, High Fiber, 28g Whole Grain, Large Size, 20.9 oz

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Main Highlights

CRUNCH WITH PURPOSE: High fiber cereal to help support digestive health; Each serving provides 26% daily value of fiber and 28g whole grains
BURSTING WITH FLAVOR: Delicious raisins perfectly balanced with crisp, toasted whole grain wheat and bran flakes in every irresistible spoonful
SIMPLY NOURISHING: Made with just 7 simple ingredients plus iron; Good source of 8 vitamins and minerals
SWEET SUN-RIPENED RAISINS: A spoonful goes a long way with real fruit and whole grains; Enjoy with milk, top yogurt, or munch straight from the box
WHAT YOU GET: Includes one 20.9 oz large-size box of Kellogg's Raisin Bran cereal; Shelf stable; Instant and ready to eat

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Main Highlights

CRUNCH WITH PURPOSE: High fiber cereal to help support digestive health; Each serving provides 26% daily value of fiber and 28g whole grains
BURSTING WITH FLAVOR: Delicious raisins perfectly balanced with crisp, toasted whole grain wheat and bran flakes in every irresistible spoonful
SIMPLY NOURISHING: Made with just 7 simple ingredients plus iron; Good source of 8 vitamins and minerals
SWEET SUN-RIPENED RAISINS: A spoonful goes a long way with real fruit and whole grains; Enjoy with milk, top yogurt, or munch straight from the box
WHAT YOU GET: Includes one 20.9 oz large-size box of Kellogg's Raisin Bran cereal; Shelf stable; Instant and ready to eat

8.3

Very Good

Nature's Path

Nature's Path Organic Smart Bran Cereal, 10.6 oz (Pack of 1), Non-GMO

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Main Highlights

Contains: 1 Box of Nature's Path Smart Bran Cereal, 10.6 ounces
All of our recipes are carefully crafted with only certified USDA organic and Non-GMO ingredients, so that mindful eaters can enjoy a deliciously nutritious breakfast, with no artificial colors, flavors and preservatives
Natures Path Smart Bran are super crunchy cereal nuggets of high-fiber fuel, organically sweetened for a slightly sweet taste. With a whopping 17g of fiber, and low in fat, Smart Bran is a healthy cereal option for those wanting to watch their cholesterol or improve gut health with a plant-based diet.
A combination of organic wheat bran, oat bran, and psyllium seed husk makes this a super high fiber cereal, without the artificial sweeteners like aspartame that are found in other fiber-rich cereals.
What makes Natures Path the best organic cereal? We know how important that crunch is, and our unique and unmatched manufacturing technique, means our cereal stay crunchy, even in milk!
Our planet, our food and our bodies are all connected. Being mindful about your food and choosing to eat organic means youre making the best choice for your health, and our planet.
Organic

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Main Highlights

Contains: 1 Box of Nature's Path Smart Bran Cereal, 10.6 ounces
All of our recipes are carefully crafted with only certified USDA organic and Non-GMO ingredients, so that mindful eaters can enjoy a deliciously nutritious breakfast, with no artificial colors, flavors and preservatives
Natures Path Smart Bran are super crunchy cereal nuggets of high-fiber fuel, organically sweetened for a slightly sweet taste. With a whopping 17g of fiber, and low in fat, Smart Bran is a healthy cereal option for those wanting to watch their cholesterol or improve gut health with a plant-based diet.
A combination of organic wheat bran, oat bran, and psyllium seed husk makes this a super high fiber cereal, without the artificial sweeteners like aspartame that are found in other fiber-rich cereals.
What makes Natures Path the best organic cereal? We know how important that crunch is, and our unique and unmatched manufacturing technique, means our cereal stay crunchy, even in milk!
Our planet, our food and our bodies are all connected. Being mindful about your food and choosing to eat organic means youre making the best choice for your health, and our planet.
Organic

8.1

Very Good

Apple Jacks

Kellogg’s Frosted Mini-Wheats Breakfast Cereal, High Fiber, 48g Whole Grain, Giant Size, 29.5 oz

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Main Highlights

HIGH FIBER: Packed with fiber to help support digestive wellness; Good source of 7 vitamins and minerals; No artificial colors or flavors
WHOLESOME WHEAT: Made with 100% whole grain at 48g per serving; Delicious way to fuel the start of your day with 10 layers of wheat for awesome crunch
PERFECTLY SWEET: Crunchy, bite-sized wheat biscuits with irresistibly sweet frosting and hearty wheat in every satisfying spoonful
ANY TIME OF DAY: Nourishing, low fat cereal to enjoy with dairy or oat milk, packed as a school snack, or a crunchy treat straight from the box
WHAT YOU GET: Includes one 29.5 oz giant-size box of Kellogg's Frosted Mini-Wheats cereal; Shelf stable; Instant and ready to eat

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Main Highlights

HIGH FIBER: Packed with fiber to help support digestive wellness; Good source of 7 vitamins and minerals; No artificial colors or flavors
WHOLESOME WHEAT: Made with 100% whole grain at 48g per serving; Delicious way to fuel the start of your day with 10 layers of wheat for awesome crunch
PERFECTLY SWEET: Crunchy, bite-sized wheat biscuits with irresistibly sweet frosting and hearty wheat in every satisfying spoonful
ANY TIME OF DAY: Nourishing, low fat cereal to enjoy with dairy or oat milk, packed as a school snack, or a crunchy treat straight from the box
WHAT YOU GET: Includes one 29.5 oz giant-size box of Kellogg's Frosted Mini-Wheats cereal; Shelf stable; Instant and ready to eat

8.1

Very Good

Nature's Path

Nature's Path Organic Heritage Flakes® Cereal, 13.25 oz (Pack of 1), Non-GMO

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Main Highlights

Contains: 1 Box of Nature's Path Heritage Flakes Cereal, 13.25 ounces
All of our recipes are carefully crafted with only certified USDA organic and Non-GMO ingredients, so that mindful eaters can enjoy a deliciously nutritious breakfast, with no artificial colors, flavors and preservatives
Our ancient grain cereal flake, organically sweetened, and lightly flavored with sea salt and honey for a rich, nutty and wholesome taste. Each serve contains 23g whole grains, 5g protein and is low fat.
Packed with 6 Ancient Grains, like the high energy khorasan, these important super grains offer more in the way of natural nutrition and positive health benefits than the refined grains commonly found in other cereals.
What makes Natures Path the best organic cereal? We know how important that crunch is, and our unique and unmatched manufacturing technique, means our cereal stay crunchy, even in milk!
Our planet, our food and our bodies are all connected. Being mindful about your food and choosing to eat organic means youre making the best choice for your health, and our planet.

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Main Highlights

Contains: 1 Box of Nature's Path Heritage Flakes Cereal, 13.25 ounces
All of our recipes are carefully crafted with only certified USDA organic and Non-GMO ingredients, so that mindful eaters can enjoy a deliciously nutritious breakfast, with no artificial colors, flavors and preservatives
Our ancient grain cereal flake, organically sweetened, and lightly flavored with sea salt and honey for a rich, nutty and wholesome taste. Each serve contains 23g whole grains, 5g protein and is low fat.
Packed with 6 Ancient Grains, like the high energy khorasan, these important super grains offer more in the way of natural nutrition and positive health benefits than the refined grains commonly found in other cereals.
What makes Natures Path the best organic cereal? We know how important that crunch is, and our unique and unmatched manufacturing technique, means our cereal stay crunchy, even in milk!
Our planet, our food and our bodies are all connected. Being mindful about your food and choosing to eat organic means youre making the best choice for your health, and our planet.

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