Written by CalorieData Nutrition TeamReviewed by a Registered DietitianLast Updated: March 2026

Soy Flour vs Whole Wheat Bread: Nutrition Comparison

Which is healthier? Compare calories, protein, carbs, and more

Complete side-by-side nutrition comparison per 100g serving | Updated 2026

Which is Healthier?

Soy Flour is generally healthier

Soy Flour comes out ahead in this comparison, winning in 4 out of 5 key nutritional categories. It has more protein (36g vs 3.6g), more fiber (9g vs 6.8g), less sugar (2g vs 3.8g), less sodium (2mg vs 421mg)making it the better choice for most health goals.

Quick Summary

Fewer Calories

Whole Wheat Bread

247 kcal

More Protein

Soy Flour

36g

More Fiber

Soy Flour

9g

Less Sugar

Soy Flour

2g

Visual Comparison

Caloriesper 100g
Soy Flour
335
Whole Wheat Bread
247
Proteinper 100g
Soy Flour
36g
Whole Wheat Bread
3.6g
Carbohydratesper 100g
Soy Flour
28g
Whole Wheat Bread
41g
Fatper 100g
Soy Flour
8g
Whole Wheat Bread
3.6g

Side-by-Side Nutrition Table

NutrientSoy FlourWhole Wheat BreadDifference
Calories335kcal247kcal+88.0kcal
Protein36g3.6g+32.4g
Carbohydrates28g41g-13.0g
Fat8g3.6g+4.4g
Fiber9g6.8g+2.2g
Sugar2g3.8g-1.8g
Sodium2mg421mg-419.0mg

Serving Size Comparison

All values above are per 100g. Here's how they compare in common serving sizes:

Soy Flour

Per 100g:335 calories
Per cup (150g):503 calories
Per serving (85g):285 calories

Whole Wheat Bread

Per 100g:247 calories
Per cup (150g):371 calories
Per serving (85g):210 calories

Diet Compatibility

Soy Flour

High-ProteinVeganVegetarianLow-Sodium

Whole Wheat Bread

VeganVegetarian

When to Choose Soy Flour

  • Higher in protein (36g vs 3.6g)
  • More fiber (9g vs 6.8g)
  • Lower in carbs (28g vs 41g)
  • Less sugar (2g vs 3.8g)
  • Lower sodium (2mg vs 421mg)

Common Uses

Side dishesBreakfastMeal baseEnergy food
View full Soy Flour nutrition →

When to Choose Whole Wheat Bread

  • Lower in calories (247 vs 335)

Common Uses

Side dishesBreakfastMeal baseEnergy food
View full Whole Wheat Bread nutrition →

Soy Flour vs Whole Wheat Bread: Nutritional Analysis

Soy Flour is more calorie-dense at 335 calories per 100g compared to 247 for Whole Wheat Bread, a difference of 88 calories. On the protein front, Soy Flour delivers more with 36g per 100g versus 3.6g, which matters for muscle maintenance, satiety, and overall metabolic health. These differences become meaningful when you consider how each food fits into your daily dietary pattern rather than looking at any single nutrient in isolation.

Macronutrient Breakdown

The macronutrient profiles of Soy Flour and Whole Wheat Bread tell different nutritional stories. Soy Flour provides 28g of carbohydrates, 8g of fat, and 9g of fiber per 100g, while Whole Wheat Bread contains 41g carbs, 3.6g fat, and 6.8g fiber. The higher fiber content in Soy Flour supports digestive health, helps regulate blood sugar after meals, and contributes to longer-lasting satiety. Sugar content also differs: Soy Flour contains 2g while Whole Wheat Bread has 3.8g per 100g. Lower sugar options are generally preferable for blood sugar management and dental health.

Key Takeaways

  • For weight management: Whole Wheat Bread is the lower-calorie choice at 247 cal/100g, making it more suitable for calorie-controlled diets.
  • For muscle building: Soy Flour provides more protein (36g/100g), supporting muscle repair and growth.
  • For sustained energy: Soy Flour offers more fiber (9g/100g), which slows digestion and provides steadier energy release.
  • Overall: Neither food is universally "better" than the other. The right choice depends on your specific nutritional goals, meal context, and dietary preferences. Both can play a role in a balanced diet.

Frequently Asked Questions

Which has more calories, Soy Flour or Whole Wheat Bread?

Soy Flour has more calories with 335 kcal per 100g, compared to Whole Wheat Bread with 247 kcal. That's a difference of 88 calories per 100g serving.

Is Soy Flour healthier than Whole Wheat Bread?

Based on our nutritional analysis, Soy Flour is generally the healthier choice, winning in 4 out of 5 key nutritional categories. Soy Flour has 335 calories, 36g protein, and 9g fiber per 100g. However, the best choice depends on your specific dietary goals.

What is the protein difference between Soy Flour and Whole Wheat Bread?

Soy Flour has more protein with 36g per 100g, compared to Whole Wheat Bread with 3.6g. Soy Flour provides 32.4g more protein per 100g serving.

Which is better for weight loss, Soy Flour or Whole Wheat Bread?

For weight loss, Whole Wheat Bread is the better choice with only 247 calories per 100g compared to 335 calories in Soy Flour. Soy Flour also offers 9g of fiber per 100g, which helps you feel fuller longer.

Does Soy Flour or Whole Wheat Bread have fewer carbs?

Soy Flour has fewer carbs with 28g per 100g, compared to Whole Wheat Bread with 41g. If you're following a low-carb diet, Soy Flour is the better option with 13.0g fewer carbohydrates.

About Our Data

All nutrition data in this comparison is sourced from the USDA FoodData Central, the official food composition database maintained by the U.S. Department of Agriculture. Values are based on 100g servings for accurate comparison.

Health Disclaimer: This comparison is for informational purposes only and is not intended as medical or dietary advice. Nutritional needs vary by individual. The best food choice depends on your personal health goals, dietary requirements, and preferences. Consult a healthcare provider or registered dietitian for personalized nutrition guidance.