Iodine contributes to normal cognitive function and to normal thyroid function.
How many calories are in fried haddock?
274kcal
in a 140 g fillet
196 kcal per 100 g.
Source: UK CoFID 2021, record 16-063, 10 analysed samples. Checked 5 October 2026.
14 gFat
20.6 gProtein
0.84 gFibre
233 %Daily iodine

What’s in a 140 g fillet
More than half of a fillet is water. The rest is 20.6 g protein and 17.6 g carbohydrate.
- 14 gFat
- 20.6 gProtein
- 17.6 gCarbohydrate
- 0.84 gFibre
- 83.9 gWater
- 3.1 gMinerals and the rest
Above average for fish and seafood
Haddock is 196 kcal per 100 g. The 170 fish and seafood in this database average 138.
High in protein
Protein supplies 30 % of the calories; the UK “high protein” line is 20 %.
Vitamins and minerals in haddock
Five of the 18 recorded reach the “high in” level. Iodine leads by a long way.
A source of
Only a trace
- Vitamin A
- Vitamin D
- Vitamin C
Show all 18 with amounts
Badges use the UK legal thresholds per 100 g: 15 % of the reference intake for “source of”, 30 % for “high in”. A trace is shown as “trace” and never counts.
What haddock doesn’t give you. And where to find it.
No recorded vitamin D or vitamin C, and only 4 % of the zinc reference intake per 100 g.
Vitamin D

Vitamin C

Zinc

100 mgVitamin C, 125 %
0.075 mgSelenium, 136 %
0.00125 mgVitamin D, 25 %
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Made in Cambridgeshire
Made in the UK since 1998, with every nutrient and its declared amount listed on the label.
Haddock against other fish and seafood
Per 100 g, haddock has the most iodine of the 6 here, ahead of cockles (boiled).
All values per 100 g, from the same dataset. Differences are against haddock.

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Questions about haddock
Four questions chosen by the facts above, so every food answers differently.
How many calories are in a portion of haddock?
Is haddock high in iodine?
Does frying change the fat in haddock?
Which vitamins and minerals does haddock have most of?
How these numbers were made
More fish and seafood
From the same group, with calories per 100 g, and the foods with the most iodine.



More fish and seafood
- Scampi, coated in breadcrumbs, fried243 kcal
- Turbot, grilled122 kcal
- Cod, poached in milk, butter and salt added94 kcal
- Eel, yellow, raw168 kcal
- Herring, raw190 kcal
- Mullet, Red, grilled121 kcal
- All 170 fish and seafood
Most iodine
- Haddock, grilled0.421 mg
- Haddock, poached0.409 mg
- Shrimps, dried0.4 mg
- Seaweed, kombu, dried, raw441 mg
- Seaweed, wakame, dried, raw16.8 mg
- Seaweed, nori, dried, raw1.47 mg
- Iodine guide