Edible parts
Leaves
Nutrition per 100 g
Closest official match: Lettuce, cos or romaine, raw (USDA FDC SR Legacy 169247)
Food data (CoFID / USDA). Energy and macros show % RI; vitamins and minerals show % NRV (UK) where a reference exists. Curiosity about the plant — not a diary score.
Reference intake
Reference intake of an average adult (8 400 kJ / 2 000 kcal)
| Nutrient | Per 100 g | % RI |
|---|---|---|
| Energy | 71 kJ / 17 kcal | 1% |
| Protein | 1.23 g | 2% |
| Carbohydrate | 3.29 g | 1% |
| Natural sugars | 1.19 g | 1% |
| Fat | 0.3 g | <1% |
| Saturated fat | 0.04 g | <1% |
Fibre, fats & omega-3
| Nutrient | Per 100 g |
|---|---|
| Fibre | 2.1 g |
| Monounsaturated fat | 0.01 g |
| Polyunsaturated fat | 0.16 g |
| Omega-3 (ALA) | 0.11 g |
Vitamins & minerals
| Nutrient | Per 100 g | % NRV (UK) |
|---|---|---|
| Vitamin A | 436 µg RAE | 55% |
| Vitamin C | 4 mg | 5% |
| Vitamin K | 103 µg | 137% |
| Folate | 136 µg | 68% |
| Thiamin (B1) | 0.07 mg | 7% |
| Riboflavin (B2) | 0.07 mg | 5% |
| Niacin (B3) | 0.31 mg | 2% |
| Pantothenic acid (B5) | 0.14 mg | 2% |
| Vitamin B6 | 0.07 mg | 5% |
| Choline | 9.9 mg | — |
| Calcium | 33 mg | 4% |
| Iron | 0.97 mg | 7% |
| Magnesium | 14 mg | 4% |
| Potassium | 247 mg | 12% |
| Zinc | 0.23 mg | 2% |
| Copper | 0.05 mg | 5% |
| Manganese | 0.16 mg | 8% |
| Phosphorus | 30 mg | 4% |
| Sodium | 8 mg | — |
µg is 1,000× smaller than mg — compare the % daily value, not the raw numbers. More
Vitamin D: plants have about none (the source rows say 0). UV-exposed mushrooms are the exception, and fortified packs vary, so check the pack.
Per 100 g · CoFID / USDA · % RI and % NRV UK · not medical advice
Values are from the closest official record: Lettuce, cos or romaine, raw (USDA FDC SR Legacy 169247). No exact lab data for little gem lettuce yet. Nutrients the record does not report are left blank.
Prep notes
A small cos heart. Folate sits with romaine, not iceberg.
Caution
Grocery / shop food data only. Not a wild forage guide. Thrive shows composition curiosity — not medical advice.
Answer-ready
Little Gem lettuce (Lactuca sativa var. longifolia) is listed in Thrive’s plant atlas under leafy. Nutrition below is per 100 g with % NRV (UK) where a reference exists — food data for curiosity, not a diary score or medical claim. Edible part covered here: Leaves.