Brown Mushrooms Nutrition Facts

FoodData Central Updated 6 April 2026

One cup of brown mushrooms contains 15.8 calories, 1.8g protein, 3.1g carbs, and 0.1g fat. Brown Mushrooms is a vegetable that is very low in calories. It is rich in potassium.

15.8

cal

3.1g

carbs

1.8g

protein

0.1g

fat

0.4g

fiber

1.2g

sugar

Vitamins in Brown Mushrooms

Per Cup sliced ~72g

Vitamin D
23mcg
115%
Vitamin E
7.2mcg
<1%
Vitamin B6
0.08mg
5%
Vitamin B12
0.07mcg
3%
Thiamin (B1)
0.07mg
6%
Niacin (B3)
2.74mg
17%
Folate
20.2mcg
5%

Minerals in Brown Mushrooms

Per Cup sliced ~72g

Calcium
13mg
<1%
Iron
0.29mg
2%
Magnesium
6.48mg
2%
Phosphorus
86.4mg
7%
Potassium
323mg
7%
Sodium
4.32mg
<1%
Zinc
0.79mg
7%
Selenium
18.7mcg
34%
Copper
0.36mg
40%
Manganese
0.1mg
4%

Learn More About Brown Mushrooms

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Verified Nutrition Data

Trusted & Verified Nutritional Information

All nutritional data on Food Index is sourced from official U.S. government databases and verified by nutrition experts at leading federal agencies.

USDA Official Source
FDA Safety Standards
HHS Health Standards
NIH Research Verified

Laboratory Analyzed

Nutrient values from certified lab analysis

Peer Reviewed

Data reviewed by nutrition scientists

Regularly Updated

Synced with latest official database releases

Nutritional values are based on standard reference data and may vary slightly based on preparation methods, brands, and natural variation in foods. Always consult with a healthcare professional for personalized dietary advice.