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

Tomato vs Chlorella: 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 0.9g), more fiber (5g vs 1.2g), less sugar (0g vs 2.6g), making it the better choice for most health goals.

Quick Summary

Fewer Calories

Tomato

18 kcal

More Protein

Chlorella

58g

More Fiber

Chlorella

5g

Less Sugar

Chlorella

0g

Visual Comparison

Caloriesper 100g
Tomato
18
Chlorella
340
Proteinper 100g
Tomato
0.9g
Chlorella
58g
Carbohydratesper 100g
Tomato
4g
Chlorella
9g
Fatper 100g
Tomato
0.2g
Chlorella
6g

Side-by-Side Nutrition Table

NutrientTomatoChlorellaDifference
Calories18kcal340kcal-322.0kcal
Protein0.9g58g-57.1g
Carbohydrates4g9g-5.0g
Fat0.2g6g-5.8g
Fiber1.2g5g-3.8g
Sugar2.6g0g+2.6g
Sodium5mg200mg-195.0mg

Serving Size Comparison

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

Tomato

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

Chlorella

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

Diet Compatibility

Tomato

Low-CarbLow-CalorieVeganVegetarianPaleoLow-Sodium

Chlorella

Low-CarbHigh-ProteinVeganVegetarianPaleoLow-Sodium

When to Choose Tomato

  • Lower in calories (18 vs 340)
  • Lower in carbs (4g vs 9g)
  • Lower sodium (5mg vs 200mg)

Common Uses

SaladsStir-friesRoasted sidesSoups
View full Tomato nutrition →

When to Choose Chlorella

  • Higher in protein (58g vs 0.9g)
  • More fiber (5g vs 1.2g)
  • Less sugar (0g vs 2.6g)

Common Uses

SaladsStir-friesRoasted sidesSoups
View full Chlorella nutrition →

Tomato vs Chlorella: Nutritional Analysis

Chlorella is more calorie-dense at 340 calories per 100g compared to 18 for Tomato, a difference of 322 calories. On the protein front, Chlorella delivers more with 58g 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 Tomato and Chlorella tell different nutritional stories. Tomato provides 4g of carbohydrates, 0.2g of fat, and 1.2g of fiber per 100g, while Chlorella contains 9g carbs, 6g fat, and 5g 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: Tomato contains 2.6g while Chlorella has 0g 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: 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, Tomato or Chlorella?

Chlorella has more calories with 340 kcal per 100g, compared to Tomato with 18 kcal. That's a difference of 322 calories per 100g serving.

Is Tomato healthier than Chlorella?

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 Tomato and Chlorella?

Chlorella has more protein with 58g per 100g, compared to Tomato with 0.9g. Chlorella provides 57.1g more protein per 100g serving.

Which is better for weight loss, Tomato or Chlorella?

For weight loss, Tomato is the better choice with only 18 calories per 100g compared to 340 calories in Chlorella. Chlorella also offers 5g of fiber per 100g, which helps you feel fuller longer.

Does Tomato or Chlorella have fewer carbs?

Tomato has fewer carbs with 4g per 100g, compared to Chlorella with 9g. If you're following a low-carb diet, Tomato is the better option with 5.0g 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.