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Mars bar and own brand equivalents

Mars bars and own-brand equivalents are chocolate-coated confectionery bars with nougat and caramel centres, described here as sold in standard, snack and fun sizes. They mainly provide carbohydrate, particularly sugars, and fat. Per 100g, they contain 67g of carbohydrate, including 63g of sugars, and 15g of fat, including 7.3g of saturated fat.

Sugars and fat provide energy, and the sugar and saturated fat content is worth noting for people monitoring these in their diet. Frequent consumption of foods containing sugar can contribute to tooth decay. The amount consumed depends on the size of the bar, so these figures are not necessarily the amounts in an individual bar. Full nutrient figures are in the tables below.

Nutrition per 100g

Nutrient

Per 100g

Energía

404 kcal

Energía

1703 kJ

Grasa

15g

of which saturates

7.3g

Carbohydrate

67g

of which sugars

63g

Fibra

1.5g

Proteína

4.1g

Sal

0.44g

Alcohol

0g

Agua

7.1g

Colesterol

9.7mg

Vitamins and minerals per 100g

Nutrient

Per 100g

Vitamin A (retinol equivalent)

35µg

Vitamina D

0.1µg

Vitamina E

2mg

Vitamin K1

4.8µg

Vitamina C

0mg

Thiamin (B1)

0.17mg

Riboflavin (B2)

0.2mg

Niacin (B3)

0.4mg

Vitamin B6

0.03mg

Vitamina B12

Trace

Ácido fólico

5µg

Calcio

118mg

Hierro

1.7mg

Magnesio

35mg

Phosphorus

125mg

Potasio

269mg

Sodio

174mg

Zinc

0.6mg

Cobre

0.18mg

Selenio

1µg

About these figures

Values are per 100g of the food as described (16 samples, 3 brands, including standard, snack and fun size). "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