Data last updated: April 2026

Kale vs Lettuce

Nutrition Comparison per 100g

Kale 7
vs
3 Lettuce

Vegetables vs Vegetables

Side-by-Side Nutrition Facts

Nutrient Kale Lettuce Better
Calories 49kcal 15kcal Lettuce
Protein 4.3g 1.4g Kale
Total Fat 0.9g 0.2g Lettuce
Carbohydrates 8.8g 2.9g Kale
Fiber 3.6g 1.3g Kale
Sugar 2.3g 0.8g Lettuce
Vitamin C 120mg 9.2mg Kale
Calcium 150mg 36mg Kale
Iron 1.5mg 0.9mg Kale
Potassium 491mg 194mg Kale

Macronutrient Breakdown

Kale

Protein: 4.3g Fat: 0.9g Carbs: 8.8g

Lettuce

Protein: 1.4g Fat: 0.2g Carbs: 2.9g

Data Source

Nutrition data sourced from the USDA FoodData Central SR Legacy database. All values are per 100g of the food item. Actual nutritional content may vary by preparation method, brand, and serving size.

Kale vs Lettuce — Key Takeaway

Kale is the better source of fiber at 3.6g per 100g. Kale provides 120mg of vitamin C.

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