Protein Bar Nutrition Facts
Last updated: May 12, 2026 · How we source & estimate these macros
Protein Bar has 3 menu items with full macro data — calories, protein, carbs, and fat. Highest protein: Flatiron Fitness Bowl (35 g protein, 410 cal). Lowest calorie: Boulder Breakfast (380 cal, 32 g protein).
Protein Bar serves a macro-friendly menu with multiple high-protein options well-suited for diners tracking calories and protein. This breakdown is for the Boulder location, which carries 3 macro-friendly items in our database. The single best macro-friendly order is the Flatiron Fitness Bowl at 410 calories with 35g protein — one of the highest protein-per-calorie picks on the menu. The highest-protein item is the Power Performance Bowl with 35g protein at 450 calories.
To dial in macros at Protein Bar Boulder, order proteins on the heavier side, choose greens or vegetables over starchy sides when possible, and watch dressings and sauces — they're the single biggest hidden calorie source on most fast-casual menus. Every item below is sortable and filterable by protein, carbs, fat, and calories.
Best Macro Pick
Flatiron Fitness Bowl, 410 calories, 35g protein.
Protein Bar Menu Nutrition — Calories & Macros
| Menu Item | Calories | Protein | Carbs | Fat |
|---|---|---|---|---|
| Flatiron Fitness Bowl | 410 | 35 g | 38 g | 14 g |
| Boulder Breakfast | 380 | 32 g | 45 g | 10 g |
| Power Performance Bowl | 450 | 35 g | 40 g | 15 g |
Protein Bar nutrition: frequently asked questions
What is the highest-protein item at Protein Bar?
Flatiron Fitness Bowl is the highest-protein pick at Protein Bar, with 35 g of protein and 410 calories.
What is the lowest-calorie option at Protein Bar?
Boulder Breakfast is the lowest-calorie option we track at Protein Bar, at 380 calories with 32 g of protein.
What's the best macro-friendly order at Protein Bar?
Flatiron Fitness Bowl, 410 calories, 35g protein.
Does Protein Bar have calorie and macro information?
We track 3 Protein Bar menu items with calories, protein, carbs, and fat, estimated from published menus and standardized USDA data. Sort or filter the table above by any macro.