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

Oyster Mushroom vs Brussels Sprouts: 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?

Brussels Sprouts is generally healthier

Brussels Sprouts comes out ahead in this comparison, winning in 3 out of 5 key nutritional categories. It has more protein (3.4g vs 3.3g), more fiber (2.4g vs 1.1g), less sodium (85mg vs 108mg)making it the better choice for most health goals.

Quick Summary

Fewer Calories

Oyster Mushroom

33 kcal

More Protein

Brussels Sprouts

3.4g

More Fiber

Brussels Sprouts

2.4g

Less Sugar

Oyster Mushroom

0.4g

Visual Comparison

Caloriesper 100g
Oyster Mushroom
33
Brussels Sprouts
43
Proteinper 100g
Oyster Mushroom
3.3g
Brussels Sprouts
3.4g
Carbohydratesper 100g
Oyster Mushroom
6g
Brussels Sprouts
9g
Fatper 100g
Oyster Mushroom
0.4g
Brussels Sprouts
0.3g

Side-by-Side Nutrition Table

NutrientOyster MushroomBrussels SproutsDifference
Calories33kcal43kcal-10.0kcal
Protein3.3g3.4g-0.1g
Carbohydrates6g9g-3.0g
Fat0.4g0.3g+0.1g
Fiber1.1g2.4g-1.3g
Sugar0.4g2.2g-1.8g
Sodium108mg85mg+23.0mg

Serving Size Comparison

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

Oyster Mushroom

Per 100g:33 calories
Per cup (150g):50 calories
Per serving (85g):28 calories

Brussels Sprouts

Per 100g:43 calories
Per cup (150g):65 calories
Per serving (85g):37 calories

Diet Compatibility

Oyster Mushroom

Low-CarbLow-CalorieVeganVegetarianPaleoLow-Sodium

Brussels Sprouts

Low-CarbLow-CalorieVeganVegetarianPaleoLow-Sodium

When to Choose Oyster Mushroom

  • Lower in calories (33 vs 43)
  • Lower in carbs (6g vs 9g)
  • Less sugar (0.4g vs 2.2g)

Common Uses

SaladsStir-friesRoasted sidesSoups
View full Oyster Mushroom nutrition →

When to Choose Brussels Sprouts

  • Higher in protein (3.4g vs 3.3g)
  • More fiber (2.4g vs 1.1g)
  • Lower sodium (85mg vs 108mg)

Common Uses

SaladsStir-friesRoasted sidesSoups
View full Brussels Sprouts nutrition →

Oyster Mushroom vs Brussels Sprouts: Nutritional Analysis

Brussels Sprouts is more calorie-dense at 43 calories per 100g compared to 33 for Oyster Mushroom, a difference of 10 calories. On the protein front, Brussels Sprouts delivers more with 3.4g per 100g versus 3.3g, 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 Oyster Mushroom and Brussels Sprouts tell different nutritional stories. Oyster Mushroom provides 6g of carbohydrates, 0.4g of fat, and 1.1g of fiber per 100g, while Brussels Sprouts contains 9g carbs, 0.3g fat, and 2.4g fiber. The higher fiber content in Brussels Sprouts supports digestive health, helps regulate blood sugar after meals, and contributes to longer-lasting satiety. Sugar content also differs: Oyster Mushroom contains 0.4g while Brussels Sprouts has 2.2g per 100g. Lower sugar options are generally preferable for blood sugar management and dental health.

Key Takeaways

  • For weight management: Oyster Mushroom is the lower-calorie choice at 33 cal/100g, making it more suitable for calorie-controlled diets.
  • For muscle building: Brussels Sprouts provides more protein (3.4g/100g), supporting muscle repair and growth.
  • For sustained energy: Brussels Sprouts offers more fiber (2.4g/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, Oyster Mushroom or Brussels Sprouts?

Brussels Sprouts has more calories with 43 kcal per 100g, compared to Oyster Mushroom with 33 kcal. That's a difference of 10 calories per 100g serving.

Is Oyster Mushroom healthier than Brussels Sprouts?

Based on our nutritional analysis, Brussels Sprouts is generally the healthier choice, winning in 3 out of 5 key nutritional categories. Brussels Sprouts has 43 calories, 3.4g protein, and 2.4g fiber per 100g. However, the best choice depends on your specific dietary goals.

What is the protein difference between Oyster Mushroom and Brussels Sprouts?

Brussels Sprouts has more protein with 3.4g per 100g, compared to Oyster Mushroom with 3.3g. Brussels Sprouts provides 0.1g more protein per 100g serving.

Which is better for weight loss, Oyster Mushroom or Brussels Sprouts?

For weight loss, Oyster Mushroom is the better choice with only 33 calories per 100g compared to 43 calories in Brussels Sprouts. Brussels Sprouts also offers 2.4g of fiber per 100g, which helps you feel fuller longer.

Does Oyster Mushroom or Brussels Sprouts have fewer carbs?

Oyster Mushroom has fewer carbs with 6g per 100g, compared to Brussels Sprouts with 9g. If you're following a low-carb diet, Oyster Mushroom is the better option with 3.0g 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.