Mister O1: high-protein, low-calorie picks
Here are the 70 Mister O1 items with nutrition. We sorted them by protein so you can find something filling that fits your calories. Every number comes from the nutrition Mister O1 publishes (see the source).
8 items are 400 calories or less. 39 have 30 g of protein or more. The most protein at 400 calories or less is Small Hawaiana (21 g).
Most protein, 400 calories or less
| Item | Cal | Protein | Carbs | Fat |
|---|---|---|---|---|
| Small Hawaiana8 inch small pizza | 382 | 21 | 43.6 | 12.3 |
| Small Riccardo8 inch small pizza | 377 | 19.7 | 41.7 | 13.4 |
| Small Cheese Pizza8 inch small pizza | 379 | 19.7 | 38.8 | 14.4 |
| Small Meat Lovers8 inch small pizza | 385 | 19.4 | 38.7 | 16.4 |
| Small Mushrooms8 inch small pizza | 365 | 19.1 | 39.3 | 13.2 |
| Small Matteo 2.08 inch small pizza | 394 | 18.9 | 43.6 | 16 |
| Small Alessandra Jalapeno8 inch small pizza | 322 | 12.2 | 42.5 | 11.9 |
Most protein, 400 to 600 calories
| Item | Cal | Protein | Carbs | Fat |
|---|---|---|---|---|
| Small Ruben8 inch small pizza | 585 | 30.8 | 44.5 | 31.4 |
| Small Daniele8 inch small pizza | 472 | 30.7 | 37.7 | 21.8 |
| Azzurra Salad1 salad | 448 | 28.8 | 18.1 | 31.4 |
| Riccardo13 inch pizza | 583 | 28.3 | 82 | 15.3 |
| Small Calzone Giorgio1 small calzone | 582 | 26.5 | 46.2 | 30.7 |
| Small Vittoria8 inch small pizza | 421 | 25.8 | 38 | 17 |
| Small Coffee Paolo8 inch small pizza | 505 | 25.2 | 50.7 | 21.9 |
| Small Bella Margherita8 inch small pizza | 408 | 24.3 | 37.7 | 17.4 |
| Small Maria8 inch small pizza | 464 | 24 | 37.7 | 22.7 |
| Small Federica8 inch small pizza | 412 | 23 | 40.2 | 15.7 |
Most protein for the calories
Items of 800 calories or less with at least 15 g of protein, ranked by grams of protein per 100 calories.
| Item | Cal | Protein | Per 100 cal |
|---|---|---|---|
| Small Daniele8 inch small pizza | 472 | 30.7 | 6.5 |
| Azzurra Salad1 salad | 448 | 28.8 | 6.4 |
| Small Vittoria8 inch small pizza | 421 | 25.8 | 6.1 |
| Small Bella Margherita8 inch small pizza | 408 | 24.3 | 6.0 |
| Small Calzone Mauro1 small calzone | 751 | 42.5 | 5.7 |
| Small Federica8 inch small pizza | 412 | 23 | 5.6 |
| Small Hawaiana8 inch small pizza | 382 | 21 | 5.5 |
| Small Matteo8 inch small pizza | 627 | 33.1 | 5.3 |
| Small Ruben8 inch small pizza | 585 | 30.8 | 5.3 |
| Small Mushrooms8 inch small pizza | 365 | 19.1 | 5.2 |
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Questions
What item under 1,000 calories has the most protein at Mister O1?
Daniele (13 inch pizza): 61.4 g protein, 950 calories, going by the chain's published nutrition.
What is a high-protein, low-calorie option at Mister O1?
At 400 calories or less, the most protein comes from Small Hawaiana (8 inch small pizza): 21 g protein, 382 calories; Small Riccardo (8 inch small pizza): 19.7 g protein, 377 calories; Small Cheese Pizza (8 inch small pizza): 19.7 g protein, 379 calories.
Where do these Mister O1 numbers come from?
From the nutrition information Mister O1 publishes, last checked November 5, 2026. Menus and recipes change, so check with the chain when it matters.