Arby's · Toppings
Red Onion- 2 slices
Serving: 4 g
0gprotein
0calories
0gcarbs
0gfat
- Fiber
- 0 g
- Sugar
- 0 g
- Sodium
- 0 mg
Source: Arby's nutrition PDF · vintage 2026. Chain menus change — treat older vintages as a guide, not gospel.
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