Iodine contributes to normal cognitive function and to normal thyroid function.
How many calories are in haddock?
197kcal
in a 140 g fillet
141 kcal per 100 g.
Source: UK CoFID 2021, record 16-062, 10 analysed samples. Checked 5 October 2026.
7.3 gFat
19.3 gProtein
0.84 gFibre
196 %Daily iodine

What’s in a 140 g fillet
More than half of a fillet is water, which is why the calories stay low. What is left is mostly protein.
- 7.3 gFat
- 19.3 gProtein
- 14.7 gCarbohydrate
- 0.84 gFibre
- 91.4 gWater
- 6.4 gMinerals and the rest
About average for fish and seafood
Haddock is 141 kcal per 100 g. The 170 fish and seafood in this database average 138.
High in protein
Protein supplies 39 % of the calories; the UK “high protein” line is 20 %.
Vitamins and minerals in haddock
Five of the 18 reach the “high in” level, led by iodine.
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 3 % 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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Tracked UK delivery
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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, shrimps (dried) has the most iodine in this comparison, followed by crab (brown meat, purchased cooked) and haddock.
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?
Which vitamins and minerals does haddock have most of?
Is haddock a good source of protein?
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
- Coley, baked111 kcal
- Haddock, grilled98 kcal
- Kippers, grilled245 kcal
- Pangasius, poached102 kcal
- Rohu, raw79 kcal
- Skate, grilled79 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