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

Chlorella 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?

Chlorella is generally healthier

Chlorella comes out ahead in this comparison, winning in 3 out of 5 key nutritional categories. It has more protein (58g vs 3.4g), more fiber (5g vs 2.4g), less sugar (0g vs 2.2g), making it the better choice for most health goals.

Quick Summary

Fewer Calories

Brussels Sprouts

43 kcal

More Protein

Chlorella

58g

More Fiber

Chlorella

5g

Less Sugar

Chlorella

0g

Visual Comparison

Caloriesper 100g
Chlorella
340
Brussels Sprouts
43
Proteinper 100g
Chlorella
58g
Brussels Sprouts
3.4g
Carbohydratesper 100g
Chlorella
9g
Brussels Sprouts
9g
Fatper 100g
Chlorella
6g
Brussels Sprouts
0.3g

Side-by-Side Nutrition Table

NutrientChlorellaBrussels SproutsDifference
Calories340kcal43kcal+297.0kcal
Protein58g3.4g+54.6g
Carbohydrates9g9g0.0g
Fat6g0.3g+5.7g
Fiber5g2.4g+2.6g
Sugar0g2.2g-2.2g
Sodium200mg85mg+115.0mg

Serving Size Comparison

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

Chlorella

Per 100g:340 calories
Per cup (150g):510 calories
Per serving (85g):289 calories

Brussels Sprouts

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

Diet Compatibility

Chlorella

Low-CarbHigh-ProteinVeganVegetarianPaleoLow-Sodium

Brussels Sprouts

Low-CarbLow-CalorieVeganVegetarianPaleoLow-Sodium

When to Choose Chlorella

  • Higher in protein (58g vs 3.4g)
  • More fiber (5g vs 2.4g)
  • Lower in carbs (9g vs 9g)
  • Less sugar (0g vs 2.2g)

Common Uses

SaladsStir-friesRoasted sidesSoups
View full Chlorella nutrition →

When to Choose Brussels Sprouts

  • Lower in calories (43 vs 340)
  • Lower sodium (85mg vs 200mg)

Common Uses

SaladsStir-friesRoasted sidesSoups
View full Brussels Sprouts nutrition →

Chlorella vs Brussels Sprouts: Nutritional Analysis

Chlorella is more calorie-dense at 340 calories per 100g compared to 43 for Brussels Sprouts, a difference of 297 calories. On the protein front, Chlorella delivers more with 58g per 100g versus 3.4g, 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 Chlorella and Brussels Sprouts tell different nutritional stories. Chlorella provides 9g of carbohydrates, 6g of fat, and 5g of fiber per 100g, while Brussels Sprouts contains 9g carbs, 0.3g fat, and 2.4g fiber. The higher fiber content in Chlorella supports digestive health, helps regulate blood sugar after meals, and contributes to longer-lasting satiety. Sugar content also differs: Chlorella contains 0g 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: Brussels Sprouts is the lower-calorie choice at 43 cal/100g, making it more suitable for calorie-controlled diets.
  • For muscle building: Chlorella provides more protein (58g/100g), supporting muscle repair and growth.
  • For sustained energy: Chlorella offers more fiber (5g/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, Chlorella or Brussels Sprouts?

Chlorella has more calories with 340 kcal per 100g, compared to Brussels Sprouts with 43 kcal. That's a difference of 297 calories per 100g serving.

Is Chlorella healthier than Brussels Sprouts?

Based on our nutritional analysis, Chlorella is generally the healthier choice, winning in 3 out of 5 key nutritional categories. Chlorella has 340 calories, 58g protein, and 5g fiber per 100g. However, the best choice depends on your specific dietary goals.

What is the protein difference between Chlorella and Brussels Sprouts?

Chlorella has more protein with 58g per 100g, compared to Brussels Sprouts with 3.4g. Chlorella provides 54.6g more protein per 100g serving.

Which is better for weight loss, Chlorella or Brussels Sprouts?

For weight loss, Brussels Sprouts is the better choice with only 43 calories per 100g compared to 340 calories in Chlorella. Chlorella also offers 5g of fiber per 100g, which helps you feel fuller longer.

Does Chlorella or Brussels Sprouts have fewer carbs?

Chlorella and Brussels Sprouts have the same carbohydrate content at 9g per 100g.

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.