10 Best Keto Cereal No Carb Zero Sugar of 2025

Tested and Reviewed: Top 10 Keto Cereal No Carb Zero Sugar deals with expert ratings from 8.1 to a perfect 10

June 2025 Edition

Editor's Choice

9.7

Catalina Crunch

Catalina Crunch Cinnamon Toast Cereal | Low Carb, Sugar Free, Gluten Free | Vegan, Plant Based Protein | Breakfast Protein Cereals | Keto Friendly Food

Editor's bottom line:

“This keto cereal no carb zero sugar is the best one we tested. In terms of quality, brand and price, we couldn't ask for more.”

Main Highlights

Sugar Free Cereal: Includes 1 resealable bag of Catalina Crunch Cinnamon Toast Cereal.
Low Carb: Catalina Crunch Cereal is low-carb and keto-friendly, making for a great breakfast food to start your morning or a healthier afternoon snack to power through the day.
Gluten & Sugar Free: Catalina Crunch Cereal is not just tasty its also; Non-GMO, gluten free, sugar free, 100% vegan, and sweetened with stevia making it a great alternative to other sugary competitor options.
No Artificial Ingredients: Made with premium quality and all natural ingredients this cereal delivers a sweet, spicy cinnamon flavor. Our cereals do not contain any artificial sweeteners, flavors, or colors, so you can enjoy without worry.
Plant Proteins: Our blend of plant-based proteins and fibers is designed to keep you full longer and promote a healthy gut. This cereal contains 11g of pea protein and 9g of fiber per serving.

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Picked by 301 people today

9.5

Premier Protein

Post Premier Protein Mixed Berry Almond Cereal, Protein Cereal Flakes Mixed with Dried Berries and Sliced Almonds, Contains 20g of Protein Per Serving, 9 OZ Box

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Main Highlights

One 9 oz box of Post Premier Mixed Berry Almond Cereal, Mixed Berry Protein Cereal
High protein cereal filled with delicious dried strawberries, raspberries and real sliced almonds mixed with crispy cereal flakes
Crunchy mixed berry cereal provides 20 grams of protein per serving for a protein packed cereal option
Enjoy this berry cereal in the morning or pour a bowl when you need a quick protein pick me up to curb late night cravings
Start your morning strong with Post Premier Protein Mixed Berry Almond Cereal

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9.5

NuTrail

NuTrail Nut Granola Cereal, Blueberry Cinnamon, No Sugar Added, Keto, Low Carb, Gluten Free, Grain Free, Healthy Breakfast 8 oz. 1 Count

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Main Highlights

DELICIOUS HEALTHY NUT GRANOLA : a no sugar added, Gluten-Free, Grain-Free, Non-GMO, Keto and Kosher Certified, only 1-3g Net Carbs per serving.
NO WRONG WAY TO LOVE US : Enjoy our granola with milk as a Low-Carb, Low-Sugar, Keto Cereal, atop your favorite smoothie or parfait, or straight out of the bag!
SWEET OR SAVORY : Whether youre making dinner or dessert our Low-Sugar, Low-Carb Nut Granola adapts to your needs.
ON-THE-GO : Our Low-Sugar, Low-Carb, Non-GMO, Keto Granola is perfect for your busy lifestyle. It can be a snack or a filling meal sure to satisfy your cravings.
WE'VE BEEN CALLED : Best In Class Granola, Low Carb granola, Gluten Free Certified granola, Low Carb Snack, Low Sugar Snack

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9.2

:ratio

Ratio Trio Vanilla Almond Crunch Cereal, 10g Protein, Keto Friendly, 10.4 oz

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Main Highlights

VANILLA ALMOND CRUNCH: Crunch into perfectly balanced Ratio Trio Breakfast Cereal, made with delicious ingredients designed to keep you on track, including naturally flavored vanilla cereal squares, nutty clusters, and sliced almonds
10G PROTEIN PER SERVING: Our unique trio of protein, sugar, and net carbs adds up to a crunchy and delicious way to start your day; Consider this cereal as a tasty addition to a low carb lifestyle
MINDFUL MACROS: 9g net carbs, 3g sugar, and 160 calories per serving; Includes 7g total fat and 1g sat. fat; 9g net carbs = 19g total carbs - 6g fiber - 4g sugar alcohol
BREAKFAST FOOD OR SNACK: Try Ratio Trio Cereal with or without milk as part of a quick breakfast or crispy on the go snack
CONTAINS: One 10.4 oz cereal box of :ratio Trio Keto Friendly Vanilla Almond Crunch Cereal; Always consult your physician before starting an eating plan that involves regular consumption of high fat foods

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9.0

Catalina Crunch

Catalina Crunch Dark Chocolate Cereal | Low Carb, Sugar Free, Gluten Free | Vegan, Plant Based Protein | Breakfast Protein Cereals | Keto Friendly Food

Main Highlights

Sugar Free Cereal: Includes 1 resealable bag of Catalina Crunch Dark Chocolate Cereal.
Low Carb: Catalina Crunch Cereal is low-carb and keto-friendly, making for a great breakfast food to start your morning or a healthier afternoon snack to power through the day.
Gluten & Sugar Free: Catalina Crunch Cereal is not just tasty its also; Non-GMO, gluten free, sugar free, 100% vegan, and sweetened with stevia making it a great alternative to other sugary competitor options.
No Artificial Ingredients: Made with premium quality and all natural ingredients this cereal delivers a sweet, rich dark chocolate flavor. Our cereals do not contain any artificial sweeteners, flavors, or colors, so you can enjoy without worry.
Plant Proteins: Our blend of plant-based proteins and fibers is designed to keep you full longer and promote a healthy gut. This cereal contains 11g of pea protein and 9g of fiber per serving.

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Best Value

8.8

Save 21%

Catalina Crunch

Catalina Crunch Protein Cereal | Sugar Free Breakfast Cereal with 11g of Protein | Gluten Free, Keto Friendly | Variety Pack Cinnamon Toast & Dark Chocolate (Pack of 2)

21% OffFree Shipping

Main Highlights

11G OF PROTEIN PER SERVING: Kick off your morning, workout or office break with a high protein blast without compromising taste! 11 grams of clean protein offer vital fuel for your body and mind while our craveable flavors satisfy with vibrant recipes.
EXCELLENT SOURCE OF FIBER: Packed with 9 grams of fiber, which helps regulate and support core bodily functions such as glucose absorption and digestive health.
NO ARTIFICAL FLAVORS - GLUTEN AND SUGAR FREE: Catalina Crunch Cereal is not just tasty, its also gluten free, sugar free, Non-GMO Project Verified and free of artificial flavors, dyes or sweeteners.
DELICIOUS CRUNCH VARIETY: Discover your favorite way to crunch with Cinnamon Toast and Dark Chocolate flavors. Premium ingredients sweetened with stevia and monk fruit make for a healthier breakfast food or afternoon snack than other sugary alternatives.
Catalina Snacks was founded by a diabetic who desired delicious food options that met his needs. Our recipes help us deliver uncompromised taste & quality to live a better life, with lower sugar and positive nutrition like protein and fiber.

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8.6

WonderSlim

WonderSlim Protein Cereal, Variety Pack, Low Sugar, Gluten Free, Keto Friendly & Low Carb (7ct)

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Main Highlights

Delicious Protein Cereal: Not only does this healthy breakfast staple deliver on taste but it also provides a balanced nutritional profile. At only 120 calories or less, its an excellent choice for a well-rounded breakfast!
Protein Packed: Packed with up to 16g of plant-based protein & 4g fiber or less per serving. Savor the goodness while fueling the day with this wholesome & satisfying breakfast.
Low-Carb Lifestyle: Our protein cereal contains only 6g net carbs or less, making it the perfect choice for a keto-friendly or low-carb lifestyle.
Quality Ingredients: Satisfy sweet cravings guilt-free! Our breakfast cereal is low in sugar, containing only 1g or less per serving. This product is Gluten Free & Kosher.
Trusted Brand: Wonderslim is focused on delivering delicious high-protein, low-carb options that meet the nutritional needs of most health and wellness lifestyles. Whether maintaining or just getting started in one's health journey, we have something tasty to help reach wellness goals! *Contents may vary due to availability. Should a flavor within the variety pack be unavailable, we will include an additional packet of a different in-stock flavor.

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8.3

NuTrail

NuTrail Nut Granola Cereal, Variety Pack, No Sugar Added, Keto, Low Carb, Gluten Free, Grain Free, Healthy Breakfast 8 oz. 3 Count

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Main Highlights

DELICIOUS HEALTHY NUT GRANOLA : a no sugar added, Gluten-Free, Grain-Free, Non-GMO, Keto and Kosher Certified, only 1-3g Net Carbs per serving.
NO WRONG WAY TO LOVE US : Enjoy our granola with milk as a Low-Carb, Low-Sugar, Keto Cereal, atop your favorite smoothie or parfait, or straight out of the bag!
SWEET OR SAVORY : Whether youre making dinner or dessert our Low-Sugar, Low-Carb Nut Granola adapts to your needs.
ON-THE-GO : Our Low-Sugar, Low-Carb, Non-GMO, Keto Granola is perfect for your busy lifestyle. It can be a snack or a filling meal sure to satisfy your cravings.
WE'VE BEEN CALLED : Best In Class Granola, Low Carb granola, Gluten Free Certified granola, Low Carb Snack, Low Sugar Snack

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8.1

Catalina Crunch

Catalina Crunch Protein Cereal | Sugar Free Breakfast Cereal with 11g of Protein | Gluten Free, Keto Friendly | Variety Pack 4 Flavors (Pack of 4)

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Main Highlights

11G OF PROTEIN PER SERVING: Kick off your morning, workout or office break with a high protein blast without compromising taste! 11 grams of clean protein offer vital fuel for your body and mind while our craveable flavors satisfy with vibrant recipes.
EXCELLENT SOURCE OF FIBER: Packed with 9 grams of fiber, which helps regulate and support core bodily functions such as glucose absorption and digestive health.
NO ARTIFICAL FLAVORS - GLUTEN AND SUGAR FREE: Catalina Crunch Cereal is not just tasty, its also gluten free, sugar free, Non-GMO Project Verified and free of artificial flavors, dyes or sweeteners.
DELICIOUS CRUNCH VARIETY: Discover your favorite way to crunch with two bags each of Cinnamon Toast and Maple Waffle. Premium ingredients sweetened with stevia and monk fruit make for a healthier breakfast food or afternoon snack than other sugary alternatives.
Catalina Snacks was founded by a diabetic who desired delicious food options that met his needs. Our recipes help us deliver uncompromised taste & quality to live a better life, with lower sugar and positive nutrition like protein and fiber.

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8.1

Magic Spoon

Magic Spoon Cereal, Variety 4-Pack of Cereal - Keto & Low Carb Lifestyles, Gluten & Grain Free, High Protein, 0g Sugar

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Main Highlights

Meet Magic Spoon: Magic Spoon looks and tastes like your favorite classic cereals, with high protein and 0g sugar. A great wholesome option! Includes 4x 7oz box Variety.
High Protein: Packed with 13g of protein per serving, Magic Spoon is perfect for a filling breakfast, afternoon snack, or post-workout snack.
Low Carb & Keto Friendly Lifestyles: With 4g net carbs and 0g sugar per serving, our cereal is perfect for anyone on a keto-friendly diet or living a low carbohydrate lifestyle. The legendary combination of being wholesome and tasty.
Gluten Free & Grain Free: We are a gluten-free, grain-free, soy-free, wheat-free, childlike cereal for grown-ups. Even better, our breakfast cereal will leave you with a happy belly every morning!
Buzz Worthy: Forbes called Magic Spoon the future of cereal and TIME Magazine named it in their Top 100 Inventions of 2019. Also featured on the TODAY Show, CNN, Fortune, Fast Company, Business Insider, and more.

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Our Best Overall Choice

Best Choice

9.7

Catalina Crunch

Catalina Crunch Cinnamon Toast Cereal | Low Carb, Sugar Free, Gluten Free | Vegan, Plant Based Protein | Breakfast Protein Cereals | Keto Friendly Food

Editor's bottom line:

“This is the best one we tested. In terms of quality, brand and price, we couldn't ask for more.”

Main Highlights

Sugar Free Cereal: Includes 1 resealable bag of Catalina Crunch Cinnamon Toast Cereal.
Low Carb: Catalina Crunch Cereal is low-carb and keto-friendly, making for a great breakfast food to start your morning or a healthier afternoon snack to power through the day.
Gluten & Sugar Free: Catalina Crunch Cereal is not just tasty its also; Non-GMO, gluten free, sugar free, 100% vegan, and sweetened with stevia making it a great alternative to other sugary competitor options.
No Artificial Ingredients: Made with premium quality and all natural ingredients this cereal delivers a sweet, spicy cinnamon flavor. Our cereals do not contain any artificial sweeteners, flavors, or colors, so you can enjoy without worry.
Plant Proteins: Our blend of plant-based proteins and fibers is designed to keep you full longer and promote a healthy gut. This cereal contains 11g of pea protein and 9g of fiber per serving.

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