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Lemon juice, fresh

Fresh lemon juice is the liquid extracted from lemons. It consists mainly of water and provides vitamin C, with small amounts of carbohydrate and protein. Per 100g, it contains 91g of water, 36mg of vitamin C, 1.6g of carbohydrate and 0.3g of protein. The carbohydrate listed is entirely sugars, while fat is present only in trace amounts.

Vitamin C supports normal immune function and helps the body absorb iron from plant foods. It is also needed to form collagen, which supports skin, blood vessels and other tissues. Lemon juice is acidic, and frequent contact with teeth can contribute to enamel erosion. Full nutrient figures are shown in the tables below.

Nutrition per 100g

Nutrient

Per 100g

Energía

7 kcal

Energía

31 kJ

Grasa

Trace

of which saturates

Trace

Carbohydrate

1.6g

of which sugars

1.6g

Proteína

0.3g

Sal

0g

Alcohol

0g

Agua

91g

Colesterol

0mg

Vitamins and minerals per 100g

Nutrient

Per 100g

Vitamin A (retinol equivalent)

2µg

Vitamina D

0µg

Vitamina C

36mg

Thiamin (B1)

0.03mg

Riboflavin (B2)

0.01mg

Niacin (B3)

0.1mg

Vitamin B6

0.05mg

Vitamina B12

0µg

Ácido fólico

13µg

Calcio

7mg

Hierro

0.1mg

Magnesio

7mg

Phosphorus

8mg

Potasio

130mg

Sodio

1mg

Zinc

Trace

Cobre

0.03mg

Selenio

1µg

Other types of lemon juice

Alimentos

Calories per 100g

Protein per 100g

Fat per 100g

Fibre per 100g

Lemon juice, fresh, weighed as whole fruit

2 kcal

0.1g

Trace

–

About these figures

Values are per 100g of the food as described (Analysis and literature sources). "Trace" means only a very small amount was found. Nutrients that were not measured are not shown. Salt is calculated from sodium.

Lecturas adicionales y referencias

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

Historial del artículo

La información en esta página está escrita y revisada por pares por clínicos calificados.
  • 4 Nov 2026 | Última versión
  • 3 Nov 2026 | Publicado originalmente