Seaweed, spirulina, raw
USDA SR Legacy · 769.2 g
34.3 g more than your starting foodCompare these foodsVegetables · Nutrition facts
Raw Lettuce, Romaine, Green
17 calories and 1 g of protein per 100 g.
Know what you’re comparing.
Lettuce, romaine, green, raw
- Source category
- Vegetables and Vegetable Products
- Nutrition basis
- Per 100 g
- Source record
- USDA FDC 2346389
- Publication date
- Oct 2022
On a 100 g basis, this record has more protein than 23% of 1,428 other complete vegetables profiles.
Compare with another foodThe source matters
USDA Foundation values draw on analyzed food samples. The composition of a particular item can vary with variety, growing conditions, and preparation.
Read about this datasetYour portion, your numbers
17calories
in 100 g| Nutrient | Amount | Daily value |
|---|---|---|
| Protein | 1 g | — |
| Carbohydrate | 4.1 g | 1% |
| Fat | 0.1 g | 0% |
| Fiber | — | — |
| Total sugars | — | — |
| Sodium | 23 mg | 1% |
| Saturated fat | — | — |
| Potassium | 260 mg | 6% |
| Calcium | 28 mg | 2% |
| Iron | 0.27 mg | 1% |
| Magnesium | 12 mg | 3% |
| Vitamin C | — | — |
| Vitamin D | — | — |
Estimated energy from macros
Protein 19%Carbs 78%Fat 3%
Uses 4 kcal/g for protein and carbohydrate, 9 for fat. Fiber, alcohol, and label rounding can make this differ from reported calories.
Daily values use the FDA adult reference for a 2,000-calorie diet. Your needs may differ. A dash means no reported value or no daily value shown.
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Reported variation in the reference data
A food is more than one number.
Where the source reports a minimum and maximum, you can see that range alongside the displayed value.
| Nutrient | Displayed value | Reported minimum | Reported maximum | Data points |
|---|---|---|---|---|
| WaterPer 100 g | 94.29 g | 93.77 g | 95.24 g | 8 |
| NitrogenPer 100 g | 0.16 g | 0.12 g | 0.19 g | 8 |
| ProteinPer 100 g | 0.98 g | 0.75 g | 1.19 g | — |
| Total lipid (fat)Per 100 g | 0.07 g | 0 g | 0.15 g | 8 |
| AshPer 100 g | 0.61 g | 0.47 g | 0.82 g | 8 |
| Calcium, CaPer 100 g | 27.56 mg | 20.3 mg | 37.8 mg | 8 |
| Iron, FePer 100 g | 0.27 mg | 0 mg | 0.36 mg | 8 |
| Magnesium, MgPer 100 g | 12.05 mg | 9.61 mg | 15.7 mg | 8 |
These are source-reported summary fields, not a predicted range for your particular food or a statistical confidence interval.
All 23 reported nutrient values Per 100 g
| Nutrient | Amount | USDA identifier |
|---|---|---|
| Water | 94.29 g | 1051 |
| Energy (Atwater General Factors) | 20.771 kcal | 2047 |
| Energy (Atwater Specific Factors) | 17.458 kcal | 2048 |
| Nitrogen | 0.156 g | 1002 |
| Protein | 0.977 g | 1003 |
| Total lipid (fat) | 0.071 g | 1004 |
| Ash | 0.606 g | 1007 |
| Carbohydrate, by difference | 4.056 g | 1005 |
| Calcium, Ca | 27.56 mg | 1087 |
| Iron, Fe | 0.267 mg | 1089 |
| Magnesium, Mg | 12.05 mg | 1090 |
| Phosphorus, P | 23.41 mg | 1091 |
| Potassium, K | 260.4 mg | 1092 |
| Sodium, Na | 23 mg | 1093 |
| Zinc, Zn | 0.252 mg | 1095 |
| Copper, Cu | 0.049 mg | 1098 |
| Manganese, Mn | 0.227 mg | 1101 |
| Thiamin | 0.063 mg | 1165 |
| Niacin | 0.371 mg | 1167 |
| Vitamin B-6 | 0.063 mg | 1175 |
| Vitamin K (phylloquinone) | 83.4 µg | 1185 |
| Vitamin K (Dihydrophylloquinone) | 0 µg | 1184 |
| Vitamin K (Menaquinone-4) | 0 µg | 1183 |
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