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)
Ranked by Protein Density
Percent of calories from protein. Secondary column is grams of protein per serving.
Filters10/10
Tiers are set by % of calories from protein
| 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 |
| Frosted 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 |
| 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.
Top 10 by protein / 100 cal.
Bars colored by Protein Density (% of calories from protein) tier. Values in g/100cal.
- Catalina Crunch Cinnamon Toast Cereal: 10 g/100cal (platinum tier), 11g protein, 110 kcal
- Catalina Crunch Honey Graham Cereal: 10 g/100cal (platinum tier), 11g protein, 110 kcal
- Catalina Crunch Maple Waffle Cereal: 10 g/100cal (platinum tier), 11g protein, 110 kcal
- Magic Spoon Cocoa Cereal: 9.3 g/100cal (gold tier), 13g protein, 140 kcal
- Magic Spoon Frosted Cereal: 9.3 g/100cal (gold tier), 13g protein, 140 kcal
- Magic Spoon Fruity Cereal: 9.3 g/100cal (gold tier), 13g protein, 140 kcal
- Magic Spoon Peanut Butter Cereal: 8.7 g/100cal (gold tier), 13g protein, 150 kcal
- Special K Special K Protein Cereal: 8.3 g/100cal (gold tier), 10g protein, 120 kcal
- Kashi GoLean Original: 7.6 g/100cal (gold tier), 13g protein, 170 kcal
- Special K Special K Protein Granola: 6 g/100cal (silver tier), 12g protein, 200 kcal
Calories per serving vs. protein per 100 cal. Up-and-left is more efficient. Labels show the top performers directly; tap or focus a dot for brand and exact numbers.
Too tight to label directly — numbered on the chart above:
- 1. Magic Spoon Frosted Cereal
- 2. Magic Spoon Peanut Butter Cereal
- 3. Special K Special K Protein Cereal
Too tight to label directly — numbered on the chart above:
- 1. Catalina Crunch Honey Graham Cereal
- 2. Magic Spoon Fruity Cereal
- 3. Magic Spoon Frosted Cereal
- 4. Magic Spoon Peanut Butter Cereal
| Food | Calories | Protein g per 100 cal | Protein (g) | Tier |
|---|---|---|---|---|
| Catalina Crunch Cinnamon Toast Cereal | 110 | 10 | 11 | platinum |
| Catalina Crunch Honey Graham Cereal | 110 | 10 | 11 | platinum |
| Catalina Crunch Maple Waffle Cereal | 110 | 10 | 11 | platinum |
| Magic Spoon Cocoa Cereal | 140 | 9.3 | 13 | gold |
| Magic Spoon Frosted Cereal | 140 | 9.3 | 13 | gold |
| Magic Spoon Fruity Cereal | 140 | 9.3 | 13 | gold |
| Magic Spoon Peanut Butter Cereal | 150 | 8.7 | 13 | gold |
| Special K Special K Protein Cereal | 120 | 8.3 | 10 | gold |
| Kashi GoLean Original | 170 | 7.6 | 13 | gold |
| Special K Special K Protein Granola | 200 | 6 | 12 | silver |
Static image of this chart (for sharing)
How highest protein cereal compares to every other category
Same Protein Density scoring, every category on one chart — some categories cluster at Platinum/Gold, others cluster at Silver/Avoid with zero Platinum picks.
Browse other categories
Same Protein Density scoring, different snack types.
Protein bars sorted by Protein Density.
Yogurts sorted by Protein Density.
Jerky and meat snacks sorted by Protein Density.
Protein chips sorted by Protein Density.
Protein ice creams sorted by Protein Density.
Protein cookies sorted by Protein Density.
Cheeses and cottage-cheese variants sorted by Protein Density.
Legume and protein-fortified pasta sorted by Protein Density.
Protein-fortified oatmeal and overnight oats sorted by Protein Density.
Protein granola ranked by Protein Density — and why none of it reaches Gold.
Going beyond snacks
Cereal protein: common questions
Which cereal has the most protein?
Catalina Crunch Cinnamon Toast Cereal leads: 11 g of protein in 110 kcal (a 36 g serving) — 40% Protein Density, Platinum tier. Runners-up: Catalina Crunch Honey Graham Cereal (40%, 11 g) and Catalina Crunch Maple Waffle Cereal (40%, 11 g).
How much protein is in cereal?
Protein ranges from 10 g to 13 g per serving across the 10 products we track (calories run 110-200 kcal); a typical serving lands around 12.5 g.
Is cereal a good source of protein?
It depends on the pick. 9 of 10 cereal products reach Gold tier or better (25%+ of calories from protein). The rest land at Silver tier (15-24%) rather than Gold or better — lower concentration, not zero.
What cereal has the most protein?
Catalina Crunch Cinnamon Toast Cereal leads: 11 g of protein in 110 kcal (a 36 g serving) — 40% Protein Density, Platinum tier. Runners-up: Catalina Crunch Honey Graham Cereal (40%, 11 g) and Catalina Crunch Maple Waffle Cereal (40%, 11 g).