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Portabella Mushroom nutrition: calories, vitamins and minerals

Portabella Mushroom is a fresh, whole vegetable and, as a NOVA group 1 food, delivers naturally occurring energy and nutrients with no added sugar, salt or additives. It is a source of copper, riboflavin and potassium. One portion counts as one of your five a day. Work out the numbers for any portion and age below, then see the full macro and micronutrient breakdown.

Portabella Mushroom nutrition calculator
Calories, sugar and key nutrients by portion, adjusted for age and gender.
Key nutrients in this portion

Portabella Mushroom nutrition per 100g and per portion

Typical valuesPer 100gPer portion (90g)
Energy2219.8
Fat0.4g0.36g
of which saturates0.06g0.05g
Carbohydrate3.9g3.51g
of which total sugars2.5g2.25g
of which added sugars0g0g
of which starch0g0g
Fibre1.3g1.17g
Protein2.1g1.89g
Salt0g0g

Sugar, fat, fibre and carbohydrate, by age

The tables below put each macronutrient against age-appropriate guidance, because what matters for a 4 year old is very different from an adult.

Sugar in Portabella Mushroom: natural, not added

1 large mushroom (about 90g) contains about 2.2g of sugar, and it is all natural (intrinsic) sugar that comes packaged with fibre and water. It has 0g of added or free sugar, so it does not count toward the daily free sugar limit the NHS sets. The table shows those limits by age; Portabella Mushroom contributes nothing to them.

Age groupDaily free sugar limitIn 1 large mushroom (about 90g)% of that
Adult30g0g
0%
Age 11 to 1730g0g
0%
Age 7 to 1024g0g
0%
Age 4 to 619g0g
0%

Fat in Portabella Mushroom: naturally very low

Portabella Mushroom is naturally very low in fat, with about 0.36g per portion and 0g of added fat. Only around 0.05g is saturated, well within the daily maximum for every age group.

Age groupMax saturated fatIn 1 large mushroom (about 90g)% of that
Adult24g0.05g
0%
Age 11 to 1727g0.05g
0%
Age 7 to 1022g0.05g
0%
Age 4 to 618g0.05g
0%

Fibre in Portabella Mushroom by age

Fibre supports healthy digestion, and most people in the UK do not get enough. A portion provides about 1.17g. Because children need less fibre than adults, that same portion covers a bigger share of a younger child's target.

Age groupRecommended fibreIn 1 large mushroom (about 90g)% of that
Adult30g1.17g
4%
Age 11 to 1725g1.17g
5%
Age 7 to 1020g1.17g
6%
Age 4 to 615g1.17g
8%

Carbohydrate in Portabella Mushroom by age

There is about 3.5g of carbohydrate per portion. There is no single daily target, but roughly half of daily energy should come from carbohydrate; the reference values below are based on that.

Age groupReference carbohydrateIn 1 large mushroom (about 90g)% of that
Adult250g3.5g
1%
Age 11 to 17275g3.5g
1%
Age 7 to 10225g3.5g
2%
Age 4 to 6188g3.5g
2%

Vitamins and minerals in Portabella Mushroom

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 
Copper0.29mg29%26%a source of Copper
Riboflavin (B2)0.4mg29%26%a source of Riboflavin (B2)
Potassium364mg18%16%a source of Potassium

Vitamins and minerals in Portabella Mushroom, 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.

Copper in Portabella Mushroom by age

Copper helps the body make red blood cells and supports the immune system. 1 large mushroom (about 90g) contains 0.26mg. 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 1 large mushroom (about 90g)% of daily need
Adult1.2mg0.26mg
22%
Age 11 to 170.8mg0.26mg
33%
Age 7 to 100.6mg0.26mg
44%
Age 4 to 60.4mg0.26mg
65%

Riboflavin (B2) in Portabella Mushroom by age

Riboflavin (B2) helps release energy from food and keeps skin and eyes healthy. 1 large mushroom (about 90g) contains 0.36mg. 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 1 large mushroom (about 90g)% of daily need
Adult1.3mg0.36mg
28%
Age 11 to 171.3mg0.36mg
28%
Age 7 to 101mg0.36mg
36%
Age 4 to 60.8mg0.36mg
45%

Potassium in Portabella Mushroom by age

Potassium helps control blood pressure and supports normal muscle and nerve function. 1 large mushroom (about 90g) contains 328mg. 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 1 large mushroom (about 90g)% of daily need
Adult3500mg328mg
9%
Age 11 to 173500mg328mg
9%
Age 7 to 102000mg328mg
16%
Age 4 to 61100mg328mg
30%

Is Portabella Mushroom processed?

No. Portabella Mushroom is a NOVA group 1 whole food, the least processed category, eaten in its natural state with nothing added. The sugars are intrinsic, packaged with fibre and water, which is why whole vegetables behave very differently in the body from foods made with free sugars.

Portabella Mushroom nutrition FAQ

How many calories are in portabella mushroom?

1 large mushroom (about 90g) has about 20 calories.

How much sugar is in portabella mushroom?

1 large mushroom (about 90g) has about 2.2g of sugar, roughly 0.6 teaspoons, and none of it is added sugar.

Is portabella mushroom good for you?

Yes. Portabella Mushroom is a whole food providing fibre and a range of vitamins and minerals such as copper and riboflavin. One portion counts as one of your five a day.

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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.