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Whole Wheat Bread has a high glycemic index of 74 (typical range 68 to 78). A serving of 1 slice (32 g) has a glycemic load of 9, which is low. Per 100 g it provides 252 calories, 12.4 g protein, 42.7 g carbohydrate (6 g fiber, 4.3 g sugars) and 3.5 g fat.

Serving used for glycemic load: 1 slice (32 g).
| Nutrient | Per 100 g | Per serving |
|---|---|---|
| Calories | 252 kcal | 81 kcal |
| Protein | 12.4 g | 4 g |
| Carbohydrate | 42.7 g | 13.7 g |
| Fiber | 6 g | 1.9 g |
| Sugars | 4.3 g | 1.4 g |
| Fat | 3.5 g | 1.1 g |
| Saturated fat | 0.7 g | 0.2 g |
| Sodium | 455 mg | 146 mg |
| Potassium | 254 mg | 81 mg |
Other breads with a lower glycemic load per serving:
| Food | GI | GL / serving |
|---|---|---|
| Rye Bread | 58 | 8 |
| Cinnamon Bread | 60 | 7 |
| Pumpernickel Bread | 50 | 5 |
| Oat Bran Bread | 48 | 5 |
Whole Wheat Bread has a glycemic index of 74, which is high (low is 55 or under, high is 70 or over). The glycemic load of a 1 slice (32 g) serving is 9, which is low.
Glycemic load is the better guide, because it accounts for portion size. A serving of whole wheat bread has a glycemic load of 9 (low). Eating it with protein, fat or fiber slows absorption further. This is general information, not medical advice; people with diabetes should follow their clinician's guidance.
Whole Wheat Bread has 252 calories per 100 g, and about 81 calories in a 1 slice (32 g) serving.
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Open the free web appGlycemic index: NutriOptio's reference table, compiled from the University of Sydney GI database and the international tables of glycemic index and glycemic load; the range reflects variation across studies, ripeness and preparation. Nutrition: USDA FoodData Central, SR Legacy, “Bread, whole-wheat, commercially prepared” (FDC 172688). Glycemic load = GI × available carbohydrate (carbohydrate minus fiber) per serving ÷ 100. Nutri-Score computed with the 2017 general-food algorithm.
General information, not medical advice.
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