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Dab is a flatfish, and the figures here describe its raw flesh. It mainly provides protein, with 16g per 100g, alongside 1.2g of fat. It also supplies vitamins and minerals, including vitamin B12 at 2µg and selenium at 70µg per 100g. These values refer to the fish before cooking or the addition of other ingredients.

Protein is needed for the growth and repair of body tissues. Vitamin B12 supports normal nerve function and red blood cell formation, while selenium contributes to normal thyroid function. Cooking methods and added ingredients can change the energy, fat and salt content of the finished dish. Full nutrient figures are provided in the tables below.

Nutrition per 100g

Nutrient

Per 100g

Energy

74 kcal

Energy

311 kJ

Fat

1.2g

Carbohydrate

0g

of which sugars

0g

Protein

16g

Salt

0.19g

Water

79g

Vitamins and minerals per 100g

Nutrient

Per 100g

Vitamin E

0.4mg

Vitamin C

Trace

Thiamin (B1)

0.1mg

Riboflavin (B2)

0.08mg

Niacin (B3)

2.3mg

Vitamin B6

0.19mg

Vitamin B12

2µg

Folate

5µg

Calcium

24mg

Iron

0.3mg

Magnesium

24mg

Potassium

350mg

Sodium

77mg

Zinc

0.5mg

Copper

0.01mg

Selenium

70µg

Iodine

30µg

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.

Further reading and references

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

Article history

The information on this page is written and peer reviewed by qualified clinicians.
  • 4 Nov 2026 | Latest version
  • 3 Nov 2026 | Originally published