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Food guide

Lettuce: nutrition and portions

Raw green leaf lettuce: 15 kcal and 1.36 g protein per 100 g. Explore household weights, preparation notes and a calculator for your portion.

Nutrition checked 11 September 2026Source USDA FoodData CentralNutrition reference, not a FODMAP rating

The short answer

Raw green leaf lettuce has 15 kcal, 1.36 g protein, 2.9 g carbohydrate, 0.1 g fat and 1.3 g fibre per 100 g.

Nutrition calculator

What's in your portion?

Raw green leaf lettuce. Adjust the edible weight to calculate nutrition.

Energy
15 kcal
Protein
1.4 g
Carbohydrate
2.9 g
Fat
0.2 g
Fibre
1.3 g

This calculates nutrition only. These weights are not tested FODMAP limits or recommended servings.

What does this say about FODMAPs?

This USDA record does not establish a FODMAP rating or a tested serving limit for lettuce. Use this page to understand the preparation and nutrition, and discuss food-specific guidance with your dietitian.

The nutrition calculator uses grams for raw green leaf lettuce. It does not measure FODMAP content, determine a personal tolerance, or account for other ingredients.

Use the matching preparation

The nutrition record is green leaf lettuce. A salad may also contain croutons, onion and dressing; the leaf values cannot describe the whole bowl.

Nutrition at common portion weights

USDA household weights for raw green leaf lettuce. These are measurements, not serving recommendations.
PortionWeightEnergyProtein
1 head360 g54 kcal4.9 g
1 leaf inner4.8 g1 kcal0.1 g
1 leaf outer24 g4 kcal0.3 g

Values are per 100 g from USDA FoodData Central, scaled by weight and rounded for display. Bornly's matching reference entry is “Green Leaf Lettuce, Raw”. Missing nutrients remain unavailable, not zero.

Questions

Common questions.

How many calories are in lettuce?
Raw green leaf lettuce has 15 kcal per 100 g in USDA FoodData Central. 1 head (360 g) gives about 54 kcal.
How much protein is in lettuce?
Raw green leaf lettuce has 1.4 g of protein per 100 g. 1 head (360 g) gives about 4.9 g.
How much carbohydrate and fibre does lettuce have?
Raw green leaf lettuce has 2.9 g of carbohydrate per 100 g. Dietary fibre is 1.3 g per 100 g.
Is lettuce low FODMAP?
This page does not rate it. The USDA record describes nutrition, not FODMAP content or a tested serving limit. If you follow a low FODMAP diet, ask your dietitian about portions during the restriction and reintroduction phases.

Sources

Sources and review notes.

NIDDK provides general education about diet and IBS, not a rating for this food. The USDA values are nutrition references, not a FODMAP laboratory test.