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

Quinoa vs Soy Flour: 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 3 out of 5 key nutritional categories. It has more protein (36g vs 4.4g), more fiber (9g vs 2.8g), less sodium (2mg vs 7mg)making it the better choice for most health goals.

Quick Summary

Fewer Calories

Quinoa

120 kcal

More Protein

Soy Flour

36g

More Fiber

Soy Flour

9g

Less Sugar

Quinoa

1.6g

Visual Comparison

Caloriesper 100g
Quinoa
120
Soy Flour
335
Proteinper 100g
Quinoa
4.4g
Soy Flour
36g
Carbohydratesper 100g
Quinoa
21g
Soy Flour
28g
Fatper 100g
Quinoa
1.9g
Soy Flour
8g

Side-by-Side Nutrition Table

NutrientQuinoaSoy FlourDifference
Calories120kcal335kcal-215.0kcal
Protein4.4g36g-31.6g
Carbohydrates21g28g-7.0g
Fat1.9g8g-6.1g
Fiber2.8g9g-6.2g
Sugar1.6g2g-0.4g
Sodium7mg2mg+5.0mg

Serving Size Comparison

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

Quinoa

Per 100g:120 calories
Per cup (150g):180 calories
Per serving (85g):102 calories

Soy Flour

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

Diet Compatibility

Quinoa

VeganVegetarianLow-Sodium

Soy Flour

High-ProteinVeganVegetarianLow-Sodium

When to Choose Quinoa

  • Lower in calories (120 vs 335)
  • Lower in carbs (21g vs 28g)
  • Less sugar (1.6g vs 2g)

Common Uses

Side dishesBreakfastMeal baseEnergy food
View full Quinoa nutrition →

When to Choose Soy Flour

  • Higher in protein (36g vs 4.4g)
  • More fiber (9g vs 2.8g)
  • Lower sodium (2mg vs 7mg)

Common Uses

Side dishesBreakfastMeal baseEnergy food
View full Soy Flour nutrition →

Quinoa vs Soy Flour: Nutritional Analysis

Soy Flour is more calorie-dense at 335 calories per 100g compared to 120 for Quinoa, a difference of 215 calories. On the protein front, Soy Flour delivers more with 36g per 100g versus 4.4g, 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 Quinoa and Soy Flour tell different nutritional stories. Quinoa provides 21g of carbohydrates, 1.9g of fat, and 2.8g of fiber per 100g, while Soy Flour contains 28g carbs, 8g fat, and 9g 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: Quinoa contains 1.6g while Soy Flour has 2g per 100g. Lower sugar options are generally preferable for blood sugar management and dental health.

Key Takeaways

  • For weight management: Quinoa is the lower-calorie choice at 120 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, Quinoa or Soy Flour?

Soy Flour has more calories with 335 kcal per 100g, compared to Quinoa with 120 kcal. That's a difference of 215 calories per 100g serving.

Is Quinoa healthier than Soy Flour?

Based on our nutritional analysis, Soy Flour is generally the healthier choice, winning in 3 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 Quinoa and Soy Flour?

Soy Flour has more protein with 36g per 100g, compared to Quinoa with 4.4g. Soy Flour provides 31.6g more protein per 100g serving.

Which is better for weight loss, Quinoa or Soy Flour?

For weight loss, Quinoa is the better choice with only 120 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 Quinoa or Soy Flour have fewer carbs?

Quinoa has fewer carbs with 21g per 100g, compared to Soy Flour with 28g. If you're following a low-carb diet, Quinoa is the better option with 7.0g 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.