Highest Protein Cereals (2026)

Cereal is one of the easiest categories to fool the consumer. We strip out the marketing and rank by what actually matters.

10 products tracked · sorted by Protein Density (% of calories from protein)

Filters10/10

Showing 10 / 10

Tier

Platinum (40%+)Gold (25–39%)Silver (15–24%)Avoid (<15%)

Brand

Country

						Quality	Serving
Cinnamon Toast Cereal Catalina Crunch	40%	11g	110	10g	1.05g	Complete	36g
Honey Graham Cereal Catalina Crunch	40%	11g	110	10g	1.05g	Complete	36g
Maple Waffle Cereal Catalina Crunch	40%	11g	110	10g	1.05g	Complete	36g
Cocoa Cereal Magic Spoon	37.1%	13g	140	9.3g	1.24g	Complete	33g
Fruity Cereal Magic Spoon	37.1%	13g	140	9.3g	1.24g	Complete	33g
Frosted Cereal Magic Spoon	37.1%	13g	140	9.3g	1.24g	Complete	33g
Peanut Butter Cereal Magic Spoon	34.7%	13g	150	8.7g	1.24g	Complete	33g
Special K Protein Cereal Special K	33.3%	10g	120	8.3g	0.7g	Complementary	35g
GoLean Original Kashi	30.6%	13g	170	7.6g	0.91g	Complementary	53g
Special K Protein Granola Special K	24%	12g	200	6g	0.84g	Complementary	50g

Visualize the highest protein cereal

The same data, charted — see efficiency at a glance.

Highest protein cereal

Top 10 by protein / 100 cal.

Bars colored by Protein Density tier. Values in g/100cal.

Highest protein cereal

Calories per serving vs. protein per 100 cal. Up-and-left is more efficient. Tap or focus a dot for details.

Highest protein cereal: calories per serving and protein per 100 calories
Food	Calories	Protein g per 100 cal	Tier
Catalina Crunch Cinnamon Toast Cereal	110	10	platinum
Catalina Crunch Honey Graham Cereal	110	10	platinum
Catalina Crunch Maple Waffle Cereal	110	10	platinum
Magic Spoon Cocoa Cereal	140	9.3	gold
Magic Spoon Fruity Cereal	140	9.3	gold
Magic Spoon Frosted Cereal	140	9.3	gold
Magic Spoon Peanut Butter Cereal	150	8.7	gold
Special K Special K Protein Cereal	120	8.3	gold
Kashi GoLean Original	170	7.6	gold
Special K Special K Protein Granola	200	6	silver

Browse other categories

Same Protein Density scoring, different snack types.

Highest protein bars

Protein bars sorted by Protein Density.

Highest protein yogurt

Yogurts sorted by Protein Density.

Highest protein jerky

Jerky and meat snacks sorted by Protein Density.

Highest protein chips

Protein chips sorted by Protein Density.

Highest protein ice cream

Protein ice creams sorted by Protein Density.

Highest protein cookies

Protein cookies sorted by Protein Density.

Highest protein cheese

Cheeses and cottage-cheese variants sorted by Protein Density.

Going beyond snacks

Protein powders

Ranked by leucine per scoop — the MPS trigger metric.

Fast food, ranked

McDonald's, Starbucks, Chipotle, Taco Bell, Tim Hortons.

Calculate your target

Daily protein g — Mifflin-St Jeor + goal-aware coefficients.

Snack finder

Filter snacks by calorie budget, leucine, density tier.

Nutrition data sourced from USDA FoodData Central and Open Food Facts. Tier rankings calculated by Protein Density (% of calories from protein). See methodology for the math.