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Mackerel Fillet nutrition: calories, protein and omega-3

Mackerel Fillet is a fresh, whole fish and a NOVA group 1 food, a source of complete protein and omega-3 fats, vitamin D and vitamin B12, with no added sugar or salt. It is a source of vitamin B12, vitamin D and selenium. Work out the numbers for any portion and age below, then see the full breakdown.

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

Mackerel Fillet nutrition per 100g and per portion

Typical valuesPer 100gPer portion (120g)
Energy260312
Fat20g24g
of which saturates4.5g5.4g
Carbohydrate0g0g
of which total sugars0g0g
of which added sugars0g0g
of which starch0g0g
Fibre0g0g
Protein19g22.8g
Salt0.2g0.2g

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 Mackerel Fillet by age

A fillet (about 120g) provides about 22.8g 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 fillet (about 120g)% of that
Adult50g23g
46%
Age 11 to 1745g23g
51%
Age 7 to 1028g23g
81%
Age 4 to 620g23g
114%

Fat in Mackerel Fillet: high, mostly saturated

Mackerel Fillet is naturally high in fat, with about 24.0g per portion, and most of it is saturated (5.4g). There is 0g of added fat, but the table shows how the saturated fat compares with the daily maximum, so it is best enjoyed in smaller amounts.

Age groupMax saturated fatIn a fillet (about 120g)% of that
Adult24g5.4g
22%
Age 11 to 1727g5.4g
20%
Age 7 to 1022g5.4g
25%
Age 4 to 618g5.4g
30%

Vitamins and minerals in Mackerel Fillet

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 B128ug320%384%high in Vitamin B12
Vitamin D8ug160%192%high in Vitamin D
Selenium44ug80%96%high in Selenium
Niacin (B3)9mg56%68%high in Niacin (B3)
Phosphorus230mg33%39%high in Phosphorus
Vitamin B60.4mg29%34%a source of Vitamin B6

Vitamins and minerals in Mackerel Fillet, 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 B12 in Mackerel Fillet by age

Vitamin B12 supports red blood cell formation and a healthy nervous system, and is found almost only in animal foods. A fillet (about 120g) contains 10ug. 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 fillet (about 120g)% of daily need
Adult2ug10ug
640%
Age 11 to 172ug10ug
640%
Age 7 to 101ug10ug
960%
Age 4 to 61ug10ug
1200%

Vitamin D in Mackerel Fillet by age

Vitamin D helps the body absorb calcium for strong bones; oily fish is one of the few natural food sources. A fillet (about 120g) contains 10ug. 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 fillet (about 120g)% of daily need
Adult10ug10ug
96%
Age 11 to 1710ug10ug
96%
Age 7 to 1010ug10ug
96%
Age 4 to 610ug10ug
96%

Selenium in Mackerel Fillet by age

Selenium helps protect cells from damage and supports the immune system. A fillet (about 120g) contains 53ug. 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 fillet (about 120g)% of daily need
Adult75ug53ug
70%
Age 11 to 1770ug53ug
75%
Age 7 to 1030ug53ug
176%
Age 4 to 620ug53ug
264%

Niacin (B3) in Mackerel Fillet by age

Niacin (B3) helps release energy from food and keeps skin and the nervous system healthy. A fillet (about 120g) contains 11mg. 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 fillet (about 120g)% of daily need
Adult16mg11mg
68%
Age 11 to 1715mg11mg
72%
Age 7 to 1012mg11mg
90%
Age 4 to 611mg11mg
98%

Phosphorus in Mackerel Fillet by age

Phosphorus works with calcium to build strong bones and teeth. A fillet (about 120g) contains 276mg. 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 fillet (about 120g)% of daily need
Adult550mg276mg
50%
Age 11 to 17775mg276mg
36%
Age 7 to 10550mg276mg
50%
Age 4 to 6450mg276mg
61%

Vitamin B6 in Mackerel Fillet by age

Vitamin B6 helps the body release energy from food and supports the nervous system. A fillet (about 120g) contains 0.48mg. 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 fillet (about 120g)% of daily need
Adult1.4mg0.48mg
34%
Age 11 to 171.2mg0.48mg
40%
Age 7 to 101mg0.48mg
48%
Age 4 to 60.9mg0.48mg
53%

Is Mackerel Fillet processed?

No. Mackerel Fillet 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.

Mackerel Fillet nutrition FAQ

How many calories are in mackerel fillet?

A fillet (about 120g) has about 312 calories.

How much protein is in mackerel fillet?

A fillet (about 120g) has about 22.8g of complete protein, the kind that supports growth and repair.

Is mackerel fillet good for you?

Yes. Mackerel Fillet is a NOVA group 1 source of complete protein and omega-3 fats, vitamin D 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.