Lettuce, romaine, green, raw
Per 100 g, Lettuce, romaine, green, raw provides 21 calories, 4.1 g carbohydrate, 1 g protein and 0 g fibre.
= 21 kcal
Calories by amount
Advanced search
Sort
Databases
21kcal 1% RI Reference IntakeEU/UK adult daily energy reference of 2,000 kcal used on packaged-food nutrition labels (Reg. 1169/2011). Switch to the US toggle for FDA Daily Values.
96%Nutrient scoreNutrient ScoreThe share of this food's 14 rated nutrients that score well for its calories, a good source of beneficial nutrients while staying low in saturated fat, sodium and added sugars.14 available of 33 total nutrients with a Daily Value14of33
Protein1g19% kcal
Carbs4.1g78% kcal
Fat0.1g3% kcal
Fiber—
Full nutrient breakdown
Reference
Proximates
- Protein ProteinBuilds and repairs tissue, drives enzymes and hormones. Made up of amino acids, nine of which the body can't make itself.UK adult RI: 50 g/day0.98g0.98g2%
- Fat FatAll fats combined: saturated, monounsaturated, polyunsaturated, and trans. Carries fat-soluble vitamins (A, D, E, K) and contributes 9 kcal per gram.UK adult RI: 70 g/day0.07g0.07g0%
- Carbohydrate CarbohydrateAll carbohydrate combined: sugars, starches, and fiber. Calculated by subtracting water + protein + fat + ash from the food's total mass, hence "by difference".UK adult RI: 260 g/day4.06g4.06g2%
Vitamins
- Vitamin B1 (thiamin) Vitamin B1 (thiamin)Water-soluble B-vitamin for carbohydrate metabolism and nerve function. Whole grains, pork, and legumes are good sources.UK adult RI: 1.1 mg/day0.06mg0.06mg6%
- Vitamin B3 (niacin) Vitamin B3 (niacin)Water-soluble B-vitamin for energy metabolism. The body can also make some niacin from the amino acid tryptophan.UK adult RI: 16 mg/day0.37mg0.37mg2%
- Vitamin B6 Vitamin B6Water-soluble B-vitamin for amino acid metabolism and neurotransmitter synthesis.UK adult RI: 1.4 mg/day0.06mg0.06mg5%
- Vitamin K Vitamin KFat-soluble vitamin essential for blood clotting and bone metabolism. Concentrated in dark leafy greens.UK adult RI: 75 µg/day83.4µg83.4µg111%
Minerals
- Calcium CalciumMajor mineral for bone density, muscle contraction, and nerve signalling.UK adult RI: 800 mg/day27.6mg27.6mg3%
- Iron IronCarries oxygen in haemoglobin. Plant (non-heme) iron absorbs less efficiently than meat (heme) iron, pair with vitamin C to boost absorption.UK adult RI: 14 mg/day0.27mg0.27mg2%
- Magnesium MagnesiumCofactor in 300+ enzyme reactions, energy metabolism, muscle relaxation, blood pressure regulation.UK adult RI: 375 mg/day12.1mg12.1mg3%
- Phosphorus PhosphorusMajor mineral for bones, energy storage (ATP), and cell membranes. Widespread in protein-rich foods.UK adult RI: 700 mg/day23.4mg23.4mg3%
- Potassium PotassiumElectrolyte mineral that counters sodium's effect on blood pressure. Concentrated in fruit, vegetables, beans, and dairy.UK adult RI: 2,000 mg/day260mg260mg13%
- Sodium SodiumMineral mostly consumed as salt (sodium chloride). Excess raises blood pressure in salt-sensitive people.UK adult RI: 2,400 mg/day23.0mg23.0mg1%
- Zinc ZincTrace mineral for immune function, wound healing, and sense of taste. Best absorbed from animal foods; phytates in grains reduce uptake.UK adult RI: 10 mg/day0.25mg0.25mg3%
- Copper CopperTrace mineral involved in iron metabolism and connective tissue.UK adult RI: 1 mg/day0.05mg0.05mg5%
- Manganese ManganeseTrace mineral for bone formation and antioxidant enzymes.UK adult RI: 2 mg/day0.23mg0.23mg11%
Lettuce, romaine, green, raw: key facts
Good source of
- How many calories are in Lettuce, romaine, green, raw?
- Lettuce, romaine, green, raw has 21 calories per 100 g.
- How much protein is in Lettuce, romaine, green, raw?
- Lettuce, romaine, green, raw provides 1 g of protein per 100 g.
- How many carbs are in Lettuce, romaine, green, raw?
- Lettuce, romaine, green, raw contains 4.1 g of carbohydrate per 100 g.
- How much fat is in Lettuce, romaine, green, raw?
- Lettuce, romaine, green, raw has 0.1 g of fat per 100 g.
Values shown for the selected serving and per 100 g. % RI follows the UK / EU Reference Intakes (Reg. 1169/2011) for adults and children 4 + years. Reference only, not medical or dietary advice (Terms & Conditions §3).