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Mussels nutrition: calories, protein and iodine

Mussels are 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. They are a source of vitamin B12, manganese and selenium. Work out the numbers for any portion and age below, then see the full breakdown.

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

Mussels nutrition per 100g and per portion

Typical valuesPer 100gPer portion (90g)
Energy9283
Fat2.5g2.2g
of which saturates0.5g0.5g
Carbohydrate4g3.6g
of which total sugars0g0g
of which added sugars0g0g
of which starch0g0g
Fibre0g0g
Protein17g15.3g
Salt0.5g0.5g

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 Mussels by age

A serving (about 90g) provides about 15.3g 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 serving (about 90g)% of that
Adult50g15g
31%
Age 11 to 1745g15g
34%
Age 7 to 1028g15g
55%
Age 4 to 620g15g
76%

Fat in Mussels: naturally very low

Mussels are naturally very low in fat, with about 2.25g per portion and 0g of added fat. Only around 0.45g is saturated, well within the daily maximum for every age group.

Age groupMax saturated fatIn a serving (about 90g)% of that
Adult24g0.45g
2%
Age 11 to 1727g0.45g
2%
Age 7 to 1022g0.45g
2%
Age 4 to 618g0.45g
2%

Vitamins and minerals in Mussels

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 B1220ug800%720%high in Vitamin B12
Manganese3.4mg170%153%high in Manganese
Selenium45ug82%74%high in Selenium
Phosphorus250mg36%32%high in Phosphorus
Iron4mg29%26%a source of Iron
Zinc2.3mg23%21%a source of Zinc

Vitamins and minerals in Mussels, 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 Mussels by age

Vitamin B12 supports red blood cell formation and a healthy nervous system, and is found almost only in animal foods. A serving (about 90g) contains 18ug. 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 serving (about 90g)% of daily need
Adult2ug18ug
1200%
Age 11 to 172ug18ug
1200%
Age 7 to 101ug18ug
1800%
Age 4 to 61ug18ug
2250%

Manganese in Mussels by age

Manganese contributes to normal bone formation and helps protect cells from oxidative stress. A serving (about 90g) contains 3.06mg. Because children need less than adults, that same portion covers a bigger share of a younger child's daily target. These figures use safe intake levels, as no formal UK RNI is set.

Age groupDaily need (RNI)In a serving (about 90g)% of daily need
Adult2mg3.06mg
153%
Age 11 to 171.9mg3.06mg
161%
Age 7 to 101.6mg3.06mg
191%
Age 4 to 61.5mg3.06mg
204%

Selenium in Mussels by age

Selenium helps protect cells from damage and supports the immune system. A serving (about 90g) contains 40ug. 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 serving (about 90g)% of daily need
Adult75ug40ug
54%
Age 11 to 1770ug40ug
58%
Age 7 to 1030ug40ug
135%
Age 4 to 620ug40ug
202%

Phosphorus in Mussels by age

Phosphorus works with calcium to build strong bones and teeth. A serving (about 90g) contains 225mg. 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 serving (about 90g)% of daily need
Adult550mg225mg
41%
Age 11 to 17775mg225mg
29%
Age 7 to 10550mg225mg
41%
Age 4 to 6450mg225mg
50%

Iron in Mussels by age

Iron is needed to make red blood cells that carry oxygen around the body. A serving (about 90g) contains 3.6mg. Because children need less than adults, that same portion covers a bigger share of a younger child's daily target. Girls aged 11 and over and women need more iron (14.8mg) because of menstrual losses.

Age groupDaily need (RNI)In a serving (about 90g)% of daily need
Adult11mg3.6mg
33%
Age 11 to 1713mg3.6mg
28%
Age 7 to 108.7mg3.6mg
41%
Age 4 to 66.1mg3.6mg
59%

Zinc in Mussels by age

Zinc supports the immune system, wound healing and normal growth. A serving (about 90g) contains 2.07mg. 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 serving (about 90g)% of daily need
Adult9.5mg2.07mg
22%
Age 11 to 179mg2.07mg
23%
Age 7 to 107mg2.07mg
30%
Age 4 to 66.5mg2.07mg
32%

Are Mussels processed?

No. Mussels are 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.

Mussels nutrition FAQ

How many calories are in mussels?

A serving (about 90g) has about 83 calories.

How much protein is in mussels?

A serving (about 90g) has about 15.3g of complete protein, the kind that supports growth and repair.

Are mussels good for you?

Yes. Mussels are 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.