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Milk, human, mature

Mature human milk is breast milk produced after the early stages of lactation, following colostrum and transitional milk. It mainly provides carbohydrate, fat and protein, together with water and smaller amounts of vitamins and minerals. Per 100g, the supplied data list 7.2g of carbohydrate, 4.1g of fat and 1.3g of protein, providing 289 kJ of energy.

The carbohydrate in breast milk is mainly lactose, a naturally occurring sugar that provides energy. Fat also supplies energy, while protein supports growth and tissue development. Breast milk composition varies between individuals and over time, so these literature-based figures are a guide rather than a fixed composition. Full nutrient figures are in the tables below.

Nutrition per 100g

Nutrient

Per 100g

Energía

69 kcal

Energía

289 kJ

Grasa

4.1g

of which saturates

1.9g

Carbohydrate

7.2g

of which sugars

7.2g

Fibra

0g

Proteína

1.3g

Sal

0.04g

Agua

87g

Colesterol

16mg

Vitamins and minerals per 100g

Nutrient

Per 100g

Vitamin A (retinol equivalent)

62µg

Vitamina E

0.34mg

Vitamina C

4mg

Thiamin (B1)

0.02mg

Riboflavin (B2)

0.03mg

Niacin (B3)

0.2mg

Vitamin B6

0.01mg

Vitamina B12

Trace

Ácido fólico

5µg

Calcio

34mg

Hierro

0.07mg

Magnesio

3mg

Phosphorus

15mg

Potasio

58mg

Sodio

15mg

Zinc

0.3mg

Cobre

0.04mg

Selenio

1µg

Iodine

7µg

Other types of milk

Alimentos

Calories per 100g

Protein per 100g

Fat per 100g

Fibre per 100g

Milk, human, colostrum

56 kcal

2g

2.6g

–

Milk, human, transitional

67 kcal

1.5g

3.7g

–

Milk, goats, pasteurised

62 kcal

3.1g

3.7g

0g

Milk, sheeps, raw

93 kcal

5.4g

5.8g

0g

Milk, soya, non-dairy alternative to milk, sweetened, fortified

43 kcal

3.1g

2.4g

0.5g

Milk, soya, non-dairy alternative to milk, unsweetened, fortified

26 kcal

2.4g

1.6g

0.5g

Milk, 1% fat, pasteurised

41 kcal

3.5g

1g

0g

Milk, Channel Islands, whole, pasteurised

72 kcal

3.5g

4.7g

0g

Milk, Channel islands, whole, summer

73 kcal

3.9g

4.7g

0g

Milk, Channel islands, whole, winter

72 kcal

3.2g

4.7g

0g

Milk, condensed, whole, sweetened

310 kcal

7.4g

8g

0g

Milk, evaporated, light

107 kcal

7.8g

4.1g

0g

Milk, evaporated, whole

166 kcal

8.4g

9.4g

0g

Milk, flavoured, pasteurised, chocolate

72 kcal

3.6g

1.5g

0g

Milk, flavoured, pasteurised, strawberry, banana

64 kcal

3.6g

1.5g

0g

Milk, semi-skimmed, pasteurised, average

46 kcal

3.5g

1.7g

0g

Milk, semi-skimmed, pasteurised, summer and autumn

46 kcal

3.5g

1.7g

0g

Milk, semi-skimmed, pasteurised, winter and spring

47 kcal

3.4g

1.7g

0g

Milk, semi-skimmed, UHT

46 kcal

3.3g

1.6g

0g

Milk, skimmed, dried, fortified

348 kcal

36g

0.6g

0g

About these figures

Values are per 100g of the food as described (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