Calories & nutrition facts
Zwieback
Zwieback has 426 kcal per 100 g — 10.1 g protein, 74.2 g carbohydrates and 9.7 g fat.
| Nutrient | per 100 g |
|---|---|
| Calories | 426 kcal |
| Protein | 10.1 g |
| Carbohydrates | 74.2 g |
| Fat | 9.7 g |
Portion sizes
| Portion | Amount | Calories |
|---|---|---|
| piece | 7 g | 30 kcal |
| toast, Gerber Zwieback | 7 g | 30 kcal |
| rusk | 10 g | 43 kcal |
| oz | 28.4 g | 121 kcal |
In context
The energy in Zwieback comes 70% from carbohydrates, 21% from fat and 10% from protein. At 426 kcal per 100 g it is very energy-dense — even small amounts pack a lot of calories, so precise weighing pays off.
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Data source: U.S. Department of Agriculture, Agricultural Research Service: FoodData Central (SR Legacy and Foundation Foods), fdc.nal.usda.gov. Public domain (CC0).