Protein bar flavors
ONE protein bar flavors: 9 compared
Every ONE flavor we track, side by side — protein and calories per bar straight from the label, from 18 to 20 g of protein and 210 to 240 kcal. Tap a flavor to shop it on eBay.
We may earn a commission when you buy through our links, at no extra cost to you. Sorted by protein per bar, most first.
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Most proteinFruity Cereal20 g protein per barFewest caloriesFruity Cereal210 kcal per bar| Flavor | Family | Protein | Calories | ||
|---|---|---|---|---|---|
| Fruity CerealProtein Bar | Cake & treats | 20 g | 210 | Shop |
 | Chocolate BrownieProtein Bar | Chocolate | 20 g | 220 | Shop |
 | Chocolate Chip Cookie DoughProtein Bar | Cookies | 20 g | 220 | Shop |
 | Birthday CakeProtein Bar | Cake & treats | 20 g | 220 | Shop |
 | Maple Glazed DoughnutProtein Bar | Cake & treats | 20 g | 220 | Shop |
 | Peanut Butter & JellyProtein Bar | Peanut butter | 20 g | 230 | Shop |
 | Blueberry CobblerProtein Bar | Cake & treats | 20 g | 230 | Shop |
 | Almond BlissProtein Bar | Chocolate | 20 g | 240 | Shop |
 | Hershey's Cookies 'n' CremeProtein Bar | Cookies | 18 g | 230 | Shop |
Protein and calories are per bar as printed on the label in the photo (Open Food Facts); recipes change, so confirm on the pack you buy.
Questions people ask
Which ONE bar has the most protein?
Of the 9 ONE flavors we track, Fruity Cereal has the most protein per bar: 20 g for 210 kcal, from the label.
Which ONE bar has the fewest calories?
Fruity Cereal is the lightest at 210 kcal per bar, with 20 g of protein. Calories vary with bar weight, so check the pack you buy.
Where can I buy ONE bars?
Every flavor on this page links to a search for that exact flavor on eBay, where sellers list single bars and boxes. We may earn a commission at no cost to you.