Lettuce, Romaine
Lettuce, Romaine belongs to the vegetables category of our catalog. A 100 g serving provides 21 kcal with 1 g of protein, 0.1 g of fat, 4.1 g of carbohydrate. Related entries in the same group include Lettuce, Red Leaf and Lima Beans, Immature Seeds, or jump to the full food catalog.
Calorie & macro balance
Share of calories from each macronutrient (per 100 g).
- Protein18.9%1 g
- Fat3%0.1 g
- Carbs78.1%4.1 g
Full nutrition facts (per 100 g)
| Nutrient | Per 100 g | % DV* |
|---|---|---|
| Energy | ||
| Calories | 20.8 kcal | 1% |
| Macronutrients | ||
| Protein | 1 g | 2% |
| Total Fat | 0.1 g | <1% |
| Saturated Fat | — | |
| Carbohydrate | 4.1 g | 1% |
| Dietary Fiber | — | |
| Total Sugars | — | |
| Minerals | ||
| Sodium | 23 mg | 1% |
| Potassium | 260.4 mg | 6% |
| Calcium | 27.6 mg | 2% |
| Iron | 0.3 mg | 2% |
| Magnesium | 12.1 mg | 3% |
| Vitamins | ||
| Vitamin C | — | |
| Vitamin A | — | |
| Vitamin D | — | |
| Other | ||
| Cholesterol | — | |
* Percent of the Daily Value (based on a 2,000 kcal diet).
Data source: USDA FoodData Central. Values are per 100 g of edible portion and are reference figures — they vary by variety, preparation and brand. Last updated: 2026-04-30.
Frequently asked questions
- How many calories are in Lettuce, Romaine?
- A 100 g serving of Lettuce, Romaine has 21 kcal. The calories in your portion depend on its weight and how it is prepared.
- How much protein is in Lettuce, Romaine?
- Per 100 g there are 1 g of protein — about 2% of the Daily Value (50 g).
- How much fat and carbs are in Lettuce, Romaine?
- Per 100 g there are 0.1 g of fat and 4.1 g of carbohydrate.
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Note. This information is provided for general reference only and is not medical advice or a diet prescription. If you have a medical condition or special dietary needs, consult a physician or a registered dietitian.