High Protein Cereal Under 180 Calories
Catalina Crunch wins: 11g of protein for 110 calories per dry serving. For the most protein per calorie, pick Catalina Crunch Protein Granola (13g, 110 calories).
Top picks
Best protein cereal
Catalina Crunch, Chocolate Peanut Butter11 g protein · 110 cal · 10 g per 100 cal
Sugar free and gluten free.
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10 protein cereals ranked by protein per calorie
- 13 g11011.8 g
- 14 g13010.8 g
- 15 g14810.1 g
- 11 g11010 g
- 11 g11010 g
- 11 g11010 g
- 11 g11010 g
- 14 g14010 g
- 12 g1408.6 g
- 10 g1705.9 g
Dry serving
Every number here is the cereal alone. Milk counts. A Horizon 1% milk box adds 8g protein and 111 calories, which puts a Catalina Crunch bowl at 19g and 221 calories, over the cap. Eaten dry by the handful, they pass.
Granola
Catalina Crunch Protein Granola is the best per calorie here: 13g for 110. Magic Spoon gives 14g but costs 30 more calories. Granola servings are small, so weigh or measure before you pour.
Hot cereal
- Kodiak Protein Oatmeal Cup: 14g, 130 calories, single cups.
- Oats Overnight: 15g for 148, a shake-style oat drink.
- Better Oats Steel Cut Protein: 10g for 170. Passes, barely.
Fiber
Kashi GO Original lists 12g protein and 12g fiber per serving. It has the least protein per calorie of the boxed cereals here, but it was the cheapest box at July 2026 prices.
How we rank
Every product here lists more than 8g protein, 180 calories or fewer per serving. Anything that misses either line is out, with no exceptions.
We rank by protein per 100 calories, using the protein, calories and price on the Amazon listing as last checked on Nov 5, 2026. Listings whose numbers can't all be true are held back until we check the label. Confirm the live listing and the package before you buy.
180cal earns a commission on Amazon purchases. It never changes which products pass or how they rank.
Questions about high protein cereal under 180 calories
What high protein cereal is under 180 calories?
Catalina Crunch (11g protein, 110 calories) and Kashi GO Original (12g, 140) pass per dry serving. For granola, Catalina Crunch Protein Granola (13g, 110) and Magic Spoon (14g, 140) pass too.
Does milk count toward the 180 calories?
Yes. Cereal labels are dry. A Horizon 1% milk box adds 8g protein and 111 calories, so a 110-calorie serving of Catalina Crunch becomes a 221-calorie bowl.
Is protein granola better than protein cereal?
Per calorie, Catalina Crunch Protein Granola beats Catalina's cereal: 13g against 11g, both at 110 calories. Granola servings are small, so measure them.
Is there a high protein oatmeal under 180 calories?
Yes. Kodiak Instant Protein Oatmeal Cups list 14g protein for 130 calories. Oats Overnight lists 15g for 148. Better Oats Steel Cut Protein passes at 10g and 170.
What should I check before buying protein cereal on Amazon?
Serving size, whether the numbers are dry or prepared, sugar alcohols and allergens. Confirm the live Amazon listing and the package label before you buy.