Early version. Nutrient values from USDA FoodData Central; dietitian review in progress. Not medical advice.

Asparagus vs romaine lettuce: which is healthier?

They are about equally nutrient-dense: asparagus scores 96/100 and romaine lettuce 96/100, so pick by your goal. Both can be part of a healthy diet; the table below shows where each one is stronger. Source: USDA FoodData Central.

Asparagus

96/100Excellent nutrient density

20 kcal per 100 g. 5 spears: 80 g

Romaine lettuce

96/100Excellent nutrient density

17 kcal per 100 g. 1 cup shredded: 47 g

Which to pick for your goal

  • Fewer caloriesRomaine lettuce20 vs 17 kcal per 100 g
  • More proteinAsparagus2.2 vs 1.2 g per 100 g
  • More fiberAbout even2.1 vs 2.1 g per 100 g
  • Less sugarRomaine lettuce1.9 vs 1.2 g per 100 g
  • More potassiumRomaine lettuce202 vs 247 mg per 100 g
  • Less saturated fatAbout even<0.1 vs <0.1 g per 100 g

Nutrition side by side

Per 100 g and per typical portion. Bold marks the better value for each row.
NutrientAsparagus, 100 gRomaine lettuce, 100 gAsparagus, 80 gRomaine lettuce, 47 g
Calories20 kcal17 kcal16 kcal8 kcal
Protein2.2 g1.2 g1.8 g0.6 g
Carbohydrates3.9 g3.3 g3.1 g1.5 g
Sugars1.9 g1.2 g1.5 g0.6 g
Fiber2.1 g2.1 g1.7 g1 g
Fat0.1 g0.3 g<0.1 g0.1 g
Saturated fat<0.1 g<0.1 g<0.1 g<0.1 g
Vitamin C5.6 mg4 mg4.5 mg1.9 mg
Vitamin A38 µg436 µg30 µg205 µg
Potassium202 mg247 mg162 mg116 mg
Iron2.1 mg1 mg1.7 mg0.5 mg
Calcium24 mg33 mg19 mg16 mg
Magnesium14 mg14 mg11 mg6.6 mg
Sodium2 mg8 mg1.6 mg3.8 mg

Last updated . Scores use the HowHealthyIs Score method.

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