Food · Vegetables and Vegetable Products
Leaf lettuce nutrition facts
A typical portion of leaf lettuce (100 g; 100 g, red, raw) has 15 calories and less than 1g of protein (USDA FoodData Central). USDA lists 2 descriptions of it: per 100 g they range from 15 calories (red, raw) to 18 (green, raw).
Nutrition Facts
* The % Daily Value (DV) tells you how much a nutrient in a serving of food contributes to a daily diet. 2,000 calories a day is used for general nutrition advice. Protein % DV here is not corrected for protein quality.
USDA values per 100 g for Lettuce, leaf, red, raw, scaled to the portion. Check the USDA record.
- Protein per 100 g
- 0.9g
- more than 15% of 8,218 USDA reference foods
- Calories per 100 g
- 15
- more than 2% of reference foods
- Sodium per 100 g
- 25mg
- more than 24% of reference foods
100 g weighs 100 g in USDA's record for Lettuce, leaf, red, raw (FDC 2346390).
Where the calories come from: 74% carbohydrate, 5% fat and 20% protein (4 calories a gram of protein or carbohydrate, 9 of fat).
Also rich in
Source: USDA FoodData Central (FDC 2346390), every nutrient the record reports; FDA Daily Values, 21 CFR 101.9.
Every form of leaf lettuce USDA describes
Green, raw has the most calories per 100 g (18); the fewest: Red, raw (15)
| USDA description | Calories | Protein | Fat | Sodium |
|---|---|---|---|---|
| Lettuce, leaf, red, raw | 15 | 0.9 g | 0.1 g | 25 mg |
| Lettuce, leaf, green, raw | 18 | 1.1 g | 0.2 g | 29 mg |
Every nutrient in this record (24)
The portion is 100 g (100 g); % DV is for that portion.
Energy, macronutrients and sugars (5)
| Nutrient | Per portion | Per 100 g | % DV |
|---|---|---|---|
| Protein | 0.88 g | 0.88 g | 2% |
| Total lipid (fat) | 0.11 g | 0.11 g | 0% |
| Carbohydrate, by difference | 3.26 g | 3.26 g | 1% |
| Ash | 0.70 g | 0.70 g | |
| Water | 95.0 g | 95.0 g |
Minerals (9)
| Nutrient | Per portion | Per 100 g | % DV |
|---|---|---|---|
| Calcium, Ca | 42.6 mg | 42.6 mg | 3% |
| Iron, Fe | 0.40 mg | 0.40 mg | 2% |
| Magnesium, Mg | 12.4 mg | 12.4 mg | 3% |
| Phosphorus, P | 24.4 mg | 24.4 mg | 2% |
| Potassium, K | 321 mg | 321 mg | 7% |
| Sodium, Na | 24.9 mg | 24.9 mg | 1% |
| Zinc, Zn | 0.30 mg | 0.30 mg | 3% |
| Copper, Cu | 0.038 mg | 0.038 mg | 4% |
| Manganese, Mn | 0.18 mg | 0.18 mg | 8% |
Vitamins (7)
| Nutrient | Per portion | Per 100 g | % DV |
|---|---|---|---|
| Vitamin C, total ascorbic acid | 9.34 mg | 9.34 mg | 10% |
| Thiamin | 0.061 mg | 0.061 mg | 5% |
| Niacin | 0.33 mg | 0.33 mg | 2% |
| Vitamin B-6 | 0.074 mg | 0.074 mg | 4% |
| Vitamin K (Menaquinone-4) | 0 µg | 0 µg | |
| Vitamin K (Dihydrophylloquinone) | 0 µg | 0 µg | |
| Vitamin K (phylloquinone) | 73.2 µg | 73.2 µg | 61% |
Source: USDA FoodData Central, FDC 2346390: every value the record reports, per 100 g as USDA gives it and scaled to the portion; Daily Values: 21 CFR 101.9.
Source: USDA FoodData Central (SR Legacy, Foundation Foods and Survey foods), April 30, 2026 release.
Questions
How many calories are in leaf lettuce?
15 in 100 g (100 g) of red, raw; 15 to 18 per 100 g across USDA's descriptions.
How much protein is in leaf lettuce?
less than 1g in 100 g; 0.9 g per 100 g.
How much sodium is in leaf lettuce?
25mg in 100 g; 25 mg per 100 g. Salt added in cooking changes it: USDA lists salted and unsalted forms separately where it measured both.
Sources for this page
- USDA FoodData Central
- the food and product records, April 30, 2026 release. fdc.nal.usda.gov
- FoodData Central documentation
- what each data type is and how branded records are submitted. fdc.nal.usda.gov
- USDA Food and Nutrient Database for Dietary Studies
- the survey foods and their portions. ars.usda.gov
- 21 CFR 101.9, Nutrition labeling of food
- the label format, rounding and Daily Values. ecfr.gov
- FDA, How to Understand and Use the Nutrition Facts Label
- the 5% and 20% Daily Value rule. fda.gov