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

Spinach vs Lentils: 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?

Lentils is generally healthier

Lentils comes out ahead in this comparison, winning in 3 out of 5 key nutritional categories. It has more protein (9g vs 2.7g), more fiber (7.9g vs 2.2g), less sodium (2mg vs 79mg)making it the better choice for most health goals.

Quick Summary

Fewer Calories

Spinach

23 kcal

More Protein

Lentils

9g

More Fiber

Lentils

7.9g

Less Sugar

Spinach

0.4g

Visual Comparison

Caloriesper 100g
Spinach
23
Lentils
116
Proteinper 100g
Spinach
2.7g
Lentils
9g
Carbohydratesper 100g
Spinach
4g
Lentils
20g
Fatper 100g
Spinach
0.4g
Lentils
0.4g

Side-by-Side Nutrition Table

NutrientSpinachLentilsDifference
Calories23kcal116kcal-93.0kcal
Protein2.7g9g-6.3g
Carbohydrates4g20g-16.0g
Fat0.4g0.4g0.0g
Fiber2.2g7.9g-5.7g
Sugar0.4g1.8g-1.4g
Sodium79mg2mg+77.0mg

Serving Size Comparison

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

Spinach

Per 100g:23 calories
Per cup (150g):35 calories
Per serving (85g):20 calories

Lentils

Per 100g:116 calories
Per cup (150g):174 calories
Per serving (85g):99 calories

Diet Compatibility

Spinach

Low-CarbLow-CalorieVeganVegetarianPaleoLow-Sodium

Lentils

VeganVegetarianPaleoLow-Sodium

When to Choose Spinach

  • Lower in calories (23 vs 116)
  • Lower in carbs (4g vs 20g)
  • Less sugar (0.4g vs 1.8g)

Common Uses

SaladsStir-friesRoasted sidesSoups
View full Spinach nutrition →

When to Choose Lentils

  • Higher in protein (9g vs 2.7g)
  • More fiber (7.9g vs 2.2g)
  • Lower sodium (2mg vs 79mg)

Common Uses

SaladsStir-friesRoasted sidesSoups
View full Lentils nutrition →

Spinach vs Lentils: Nutritional Analysis

Lentils is more calorie-dense at 116 calories per 100g compared to 23 for Spinach, a difference of 93 calories. On the protein front, Lentils delivers more with 9g per 100g versus 2.7g, 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 Spinach and Lentils tell different nutritional stories. Spinach provides 4g of carbohydrates, 0.4g of fat, and 2.2g of fiber per 100g, while Lentils contains 20g carbs, 0.4g fat, and 7.9g fiber. The higher fiber content in Lentils supports digestive health, helps regulate blood sugar after meals, and contributes to longer-lasting satiety. Sugar content also differs: Spinach contains 0.4g while Lentils has 1.8g per 100g. Lower sugar options are generally preferable for blood sugar management and dental health.

Key Takeaways

  • For weight management: Spinach is the lower-calorie choice at 23 cal/100g, making it more suitable for calorie-controlled diets.
  • For muscle building: Lentils provides more protein (9g/100g), supporting muscle repair and growth.
  • For sustained energy: Lentils offers more fiber (7.9g/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, Spinach or Lentils?

Lentils has more calories with 116 kcal per 100g, compared to Spinach with 23 kcal. That's a difference of 93 calories per 100g serving.

Is Spinach healthier than Lentils?

Based on our nutritional analysis, Lentils is generally the healthier choice, winning in 3 out of 5 key nutritional categories. Lentils has 116 calories, 9g protein, and 7.9g fiber per 100g. However, the best choice depends on your specific dietary goals.

What is the protein difference between Spinach and Lentils?

Lentils has more protein with 9g per 100g, compared to Spinach with 2.7g. Lentils provides 6.3g more protein per 100g serving.

Which is better for weight loss, Spinach or Lentils?

For weight loss, Spinach is the better choice with only 23 calories per 100g compared to 116 calories in Lentils. Lentils also offers 7.9g of fiber per 100g, which helps you feel fuller longer.

Does Spinach or Lentils have fewer carbs?

Spinach has fewer carbs with 4g per 100g, compared to Lentils with 20g. If you're following a low-carb diet, Spinach is the better option with 16.0g 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.