Oyster mushroom: calories and nutrition facts

Oyster mushroom has 27 kcal per 100 g. One serving, 1 Serving (150 g), has 40 kcal.

Calories: 27 kcal
Protein: 3.3 g
Carbohydrates: 1.5 g
Fat: 0.4 g

Per 100 g

Oyster mushroom: how many calories?

Oyster mushroom has 27 kcal per 100 g, with 3.3 g protein, 1.5 g carbs and 0.4 g fat. A 150 g serving (1 Serving) has 40 kcal. That is less than the average for Fruits & Veggies (109 kcal per 100 g). Most of its calories come from protein.

Where the calories come from

Protein58%
Carbohydrates26%
Fat16%

Calculate a portion

Amountg

Calories: 40 kcal
Protein: 5 g
Carbohydrates: 2.3 g
Fat: 0.6 g

Nutrition facts

Nutrient	Per 100 g	Per serving (150 g)
Calories	27 kcal	40 kcal
Fat	0.4 g	0.6 g
of which saturated fat	0.1 g	0.1 g
Carbohydrates	1.5 g	2.3 g
of which sugars	1.1 g	1.6 g
Fiber	2.3 g	3.4 g
Protein	3.3 g	5 g
Sodium	18 mg	27 mg
Water	89.2 g	133.8 g
Vitamin C	4 mg	6 mg
Calcium	3 mg	5 mg
Iron	1.3 mg	2 mg
Potassium	420 mg	630 mg
Magnesium	18 mg	27 mg

Source: Ciqual food composition table (ANSES, France). Data updated on 2 September 2026.

Share of reference intakes

Per 100 g, compared with an adult's reference intakes (2,000 kcal a day, Regulation (EU) No 1169/2011).

Nutrient	Of reference intake
Calories(27 kcal)	1%
Fat(0.4 g)	1%
of which saturated fat(0.1 g)	0%
Carbohydrates(1.5 g)	1%
of which sugars(1.1 g)	1%
Protein(3.3 g)	7%
Salt(0.05 g)	1%

What the EU thresholds say

Nutrition claim thresholds from Regulation (EC) No 1924/2006, per 100 g.

Low energy (40 kcal or less)
High protein (at least 20% of calories)
Low fat (3 g or less)
Low sugars (5 g or less)
Low sodium (120 mg or less)

Oyster mushroom: frequently asked questions

Oyster mushroom: how many calories per serving?

A 150 g serving (1 Serving) has 40 kcal.

Oyster mushroom: how much protein?

Oyster mushroom contains 3.3 g of protein per 100 g, 7% of the 50 g reference intake.

Oyster mushroom: how much fibre?

Oyster mushroom provides 2.3 g of fibre per 100 g, 9% of the 25 g a day recommended by EFSA.

Oyster mushroom: how much makes 100 kcal?

100 kcal is about 373 g of this food.

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