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

Mushroom vs Tomato: 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?

Both foods have similar nutritional profiles

Both foods have similar nutritional profiles with each winning in different categories. Your choice should depend on your specific dietary goals and preferences. Mushroom has 22 calories while Tomato has 18 calories per 100g.

Quick Summary

Fewer Calories

Tomato

18 kcal

More Protein

Mushroom

3.1g

More Fiber

Tomato

1.2g

Less Sugar

Mushroom

0.1g

Visual Comparison

Caloriesper 100g
Mushroom
22
Tomato
18
Proteinper 100g
Mushroom
3.1g
Tomato
0.9g
Carbohydratesper 100g
Mushroom
3.3g
Tomato
4g
Fatper 100g
Mushroom
0.3g
Tomato
0.2g

Side-by-Side Nutrition Table

NutrientMushroomTomatoDifference
Calories22kcal18kcal+4.0kcal
Protein3.1g0.9g+2.2g
Carbohydrates3.3g4g-0.7g
Fat0.3g0.2g+0.1g
Fiber1g1.2g-0.2g
Sugar0.1g2.6g-2.5g
Sodium5mg5mg0.0mg

Serving Size Comparison

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

Mushroom

Per 100g:22 calories
Per cup (150g):33 calories
Per serving (85g):19 calories

Tomato

Per 100g:18 calories
Per cup (150g):27 calories
Per serving (85g):15 calories

Diet Compatibility

Mushroom

Low-CarbLow-CalorieVeganVegetarianPaleoLow-Sodium

Tomato

Low-CarbLow-CalorieVeganVegetarianPaleoLow-Sodium

When to Choose Mushroom

  • Higher in protein (3.1g vs 0.9g)
  • Lower in carbs (3.3g vs 4g)
  • Less sugar (0.1g vs 2.6g)
  • Lower sodium (5mg vs 5mg)

Common Uses

SaladsStir-friesRoasted sidesSoups
View full Mushroom nutrition →

When to Choose Tomato

  • Lower in calories (18 vs 22)
  • More fiber (1.2g vs 1g)

Common Uses

SaladsStir-friesRoasted sidesSoups
View full Tomato nutrition →

Mushroom vs Tomato: Nutritional Analysis

Mushroom is more calorie-dense at 22 calories per 100g compared to 18 for Tomato, a difference of 4 calories. On the protein front, Mushroom delivers more with 3.1g per 100g versus 0.9g, 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 Mushroom and Tomato tell different nutritional stories. Mushroom provides 3.3g of carbohydrates, 0.3g of fat, and 1g of fiber per 100g, while Tomato contains 4g carbs, 0.2g fat, and 1.2g fiber. The higher fiber content in Tomato supports digestive health, helps regulate blood sugar after meals, and contributes to longer-lasting satiety. Sugar content also differs: Mushroom contains 0.1g while Tomato has 2.6g per 100g. Lower sugar options are generally preferable for blood sugar management and dental health.

Key Takeaways

  • For weight management: Tomato is the lower-calorie choice at 18 cal/100g, making it more suitable for calorie-controlled diets.
  • For muscle building: Mushroom provides more protein (3.1g/100g), supporting muscle repair and growth.
  • For sustained energy: Tomato offers more fiber (1.2g/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, Mushroom or Tomato?

Mushroom has more calories with 22 kcal per 100g, compared to Tomato with 18 kcal. That's a difference of 4 calories per 100g serving.

Is Mushroom healthier than Tomato?

Mushroom and Tomato have similar nutritional profiles, with each food winning in different categories. The healthier choice depends on your specific dietary goals and nutritional needs.

What is the protein difference between Mushroom and Tomato?

Mushroom has more protein with 3.1g per 100g, compared to Tomato with 0.9g. Mushroom provides 2.2g more protein per 100g serving.

Which is better for weight loss, Mushroom or Tomato?

For weight loss, Tomato is the better choice with only 18 calories per 100g compared to 22 calories in Mushroom. Tomato also offers 1.2g of fiber per 100g, which helps you feel fuller longer.

Does Mushroom or Tomato have fewer carbs?

Mushroom has fewer carbs with 3.3g per 100g, compared to Tomato with 4g. If you're following a low-carb diet, Mushroom is the better option with 0.7g 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.