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Lettuce, average, raw

Lettuce is a leafy vegetable, described here in its raw form. These figures represent an average across several types, including Iceberg, Romaine and Little Gem. It consists mainly of water and provides fibre, vitamin K and folate. Per 100g, raw lettuce provides 48 kJ of energy, 1.5g of fibre, 129µg of vitamin K1 and 60µg of folate.

Vitamin K is needed for normal blood clotting, while folate helps the body make red blood cells. Fibre supports normal bowel function. Raw lettuce contains little fat or salt, although dressings and other additions can change the nutritional content of a meal. Full nutritional figures are in the tables below.

Nutrition per 100g

Nutrient

Per 100g

Energy

11 kcal

Energy

48 kJ

Gordura

0.1g

of which saturates

0.03g

Carbohydrate

1.4g

of which sugars

1.4g

Fibra

1.5g

Proteína

1.2g

Sal

0.02g

Álcool

0g

Água

96g

Colesterol

0mg

Vitamins and minerals per 100g

Nutrient

Per 100g

Vitamin A (retinol equivalent)

10µg

Vitamina D

0µg

Vitamina E

0.64mg

Vitamin K1

129µg

Vitamina C

1mg

Thiamin (B1)

0.14mg

Riboflavin (B2)

0.05mg

Niacin (B3)

0.5mg

Vitamina B6

0.02mg

Vitamina B12

0µg

Ácido Fólico

60µg

Cálcio

24mg

Ferro

0.13mg

Magnésio

9mg

Phosphorus

22mg

Potássio

222mg

Sódio

9mg

Zinco

0.2mg

Copper

0.03mg

Selenium

Trace

Iodo

1µg

About these figures

Values are per 100g of the food as described (22 samples, autumn and winter, UK grown and imported, including shredded, Iceberg, Romaine and Little Gem). "Trace" means only a very small amount was found. Nutrients that were not measured are not shown. Salt is calculated from sodium.

Leitura adicional e referências

  • Public Health England. McCance and Widdowson's The Composition of Foods Integrated Dataset 2021. GOV.UK.

Histórico do artigo

As informações nesta página são escritas e revisadas por clínicos qualificados.
  • 4 Nov 2026 | Última versão
  • 3 Nov 2026 | Publicado originalmente