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Swordfish nutrition: calories, protein and iodine

Swordfish is a fresh, whole fish and a NOVA group 1 food, a source of complete protein and iodine, selenium and vitamin B12, with no added sugar or salt. It is a source of vitamin D, selenium and vitamin B12. Work out the numbers for any portion and age below, then see the full breakdown.

Swordfish nutrition calculator
Calories, sugar and key nutrients by portion. Change the age and every percentage updates.
Key nutrients in this portion

Swordfish nutrition per 100g and per portion

Typical valuesPer 100gPer portion (130g)
Energy145188
Fat5g6.5g
of which saturates1.4g1.8g
Carbohydrate0g0g
of which total sugars0g0g
of which added sugars0g0g
of which starch0g0g
Fibre0g0g
Protein23g29.9g
Salt0.1g0.1g

Protein, fat and salt, by age

For meat and fish the numbers that matter most are protein, saturated fat and salt. The tables below set each against age-appropriate guidance.

Protein in Swordfish by age

A steak (about 130g) provides about 29.9g of complete protein, supplying the amino acids the body needs for growth and repair. Because children need less than adults, that portion covers a large share of a younger child's daily protein.

Age groupDaily protein (RNI)In a steak (about 130g)% of that
Adult50g30g
60%
Age 11 to 1745g30g
66%
Age 7 to 1028g30g
107%
Age 4 to 620g30g
150%

Fat in Swordfish: high, mostly unsaturated

Swordfish is naturally high in fat, at about 6.5g per portion, though most of it is unsaturated. Only around 1.82g is saturated and there is 0g of added fat.

Age groupMax saturated fatIn a steak (about 130g)% of that
Adult24g1.82g
8%
Age 11 to 1727g1.82g
7%
Age 7 to 1022g1.82g
8%
Age 4 to 618g1.82g
10%

Vitamins and minerals in Swordfish

Percentages are share of the daily Nutrient Reference Value (NRV). Under UK and EU rules a food is a source of a nutrient at 15% NRV per 100g and high in it at 30%.

NutrientPer 100g%NRV /100g%NRV /portion 
Vitamin D11ug220%286%high in Vitamin D
Selenium60ug109%142%high in Selenium
Vitamin B122ug68%88%high in Vitamin B12
Niacin (B3)10mg62%81%high in Niacin (B3)
Phosphorus270mg39%50%high in Phosphorus

Vitamins and minerals in Swordfish, by age

These tables show how the nutrients compare to daily needs across different ages, using UK Reference Nutrient Intakes (RNIs). This differs from the source of and high in labels above, which use the single adult figure (NRV) set for food packaging. Children's needs are lower, so a portion goes further.

Vitamin D in Swordfish by age

Vitamin D helps the body absorb calcium for strong bones; oily fish is one of the few natural food sources. A steak (about 130g) contains 14ug. Because children need less than adults, that same portion covers a bigger share of a younger child's daily target.

Age groupDaily need (RNI)In a steak (about 130g)% of daily need
Adult10ug14ug
143%
Age 11 to 1710ug14ug
143%
Age 7 to 1010ug14ug
143%
Age 4 to 610ug14ug
143%

Selenium in Swordfish by age

Selenium helps protect cells from damage and supports the immune system. A steak (about 130g) contains 78ug. Because children need less than adults, that same portion covers a bigger share of a younger child's daily target.

Age groupDaily need (RNI)In a steak (about 130g)% of daily need
Adult75ug78ug
104%
Age 11 to 1770ug78ug
111%
Age 7 to 1030ug78ug
260%
Age 4 to 620ug78ug
390%

Vitamin B12 in Swordfish by age

Vitamin B12 supports red blood cell formation and a healthy nervous system, and is found almost only in animal foods. A steak (about 130g) contains 2ug. Because children need less than adults, that same portion covers a bigger share of a younger child's daily target.

Age groupDaily need (RNI)In a steak (about 130g)% of daily need
Adult2ug2ug
147%
Age 11 to 172ug2ug
147%
Age 7 to 101ug2ug
221%
Age 4 to 61ug2ug
276%

Niacin (B3) in Swordfish by age

Niacin (B3) helps release energy from food and keeps skin and the nervous system healthy. A steak (about 130g) contains 13mg. Because children need less than adults, that same portion covers a bigger share of a younger child's daily target.

Age groupDaily need (RNI)In a steak (about 130g)% of daily need
Adult16mg13mg
81%
Age 11 to 1715mg13mg
87%
Age 7 to 1012mg13mg
108%
Age 4 to 611mg13mg
118%

Phosphorus in Swordfish by age

Phosphorus works with calcium to build strong bones and teeth. A steak (about 130g) contains 351mg. Because children need less than adults, that same portion covers a bigger share of a younger child's daily target.

Age groupDaily need (RNI)In a steak (about 130g)% of daily need
Adult550mg351mg
64%
Age 11 to 17775mg351mg
45%
Age 7 to 10550mg351mg
64%
Age 4 to 6450mg351mg
78%

Is Swordfish processed?

No. Swordfish is a fresh, whole fish and a NOVA group 1 food, cooked from its natural state with nothing added, which is very different from processed meats and ready meals.

Swordfish nutrition FAQ

How many calories are in swordfish?

A steak (about 130g) has about 188 calories.

How much protein is in swordfish?

A steak (about 130g) has about 29.9g of complete protein, the kind that supports growth and repair.

Is swordfish good for you?

Yes. Swordfish is a NOVA group 1 source of complete protein and iodine, selenium and vitamin B12, with very little that needs limiting.

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Nutrition data from McCance and Widdowson and UK FoodData Central, per 100g raw edible portion; values are reference figures and can vary by variety and ripeness. Reference intakes: EU NRVs for labelling and UK RNIs (SACN) for age-based needs. For guidance only.