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USDA Foundation

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Nutrition Facts

Serving size3 oz · 1 standard serving (85.05 g)
Amount per serving
Calories
21
% Daily Value*
Total Fat 0.32 g0%
Saturated Fat 0.04 g (from USDA’s older entry for this food)0%
Trans Fat 0 g (from USDA’s older entry for this food)
Cholesterol 0 mg (from USDA’s older entry for this food)0%
Sodium 5.5 mg0%
Total Carbohydrate 3.5 g1%
Dietary Fiber 1.5 g5%
Total Sugars 1.7 g (from USDA’s older entry for this food)
Protein 2.5 g
Vitamin D 0.02 mcg0%
Calcium 4.6 mg0%
Iron 0.19 mg1%
Potassium 317 mg7%
† From USDA's older entry for this food, which has a value where the newest entry doesn't. * The % Daily Value tells you how much a nutrient in a serving contributes to a daily diet. 2,000 calories a day is used for general nutrition advice. “—” = no data.
Rich inCopper 37%Selenium 31%Riboflavin 29%Niacin 21%of Daily Value, per serving

All nutrients

Per 3 oz · 1 standard serving (85.05 g).

NutrientAmount% DVPer 100 g
Calories & macronutrients
Calories21 kcal25 kcal
Protein2.5 g5%2.9 g
Carbohydrate3.5 g1%4.1 g
Fiber1.5 g5%1.7 g
Total sugars1.7 g (from USDA’s older entry for this food)2 g
Total fat0.32 g0%0.37 g
Saturated fat0.04 g (from USDA’s older entry for this food)0%0.05 g
Monounsaturated fat0 g (from USDA’s older entry for this food)0 g
Polyunsaturated fat0.14 g (from USDA’s older entry for this food)0.16 g
Trans fat0 g (from USDA’s older entry for this food)0 g
Cholesterol0 mg (from USDA’s older entry for this food)0%0 mg
Vitamins
Vitamin A (RAE)0 mcg (from USDA’s older entry for this food)0%0 mcg
Vitamin C1.8 mg (from USDA’s older entry for this food)2%2.1 mg
Vitamin D0.02 mcg0%0.02 mcg
Vitamin E0.01 mg (from USDA’s older entry for this food)0%0.01 mg
Vitamin K0 mcg (from USDA’s older entry for this food)0%0 mcg
Thiamin (B1)0.06 mg5%0.07 mg
Riboflavin (B2)0.38 mg29%0.44 mg
Niacin (B3)3.3 mg21%3.9 mg
Vitamin B60.07 mg4%0.08 mg
Folate (DFE)30 mcg7%35 mcg
Vitamin B120.03 mcg (from USDA’s older entry for this food)1%0.04 mcg
Pantothenic acid (B5)1.3 mg (from USDA’s older entry for this food)25%1.5 mg
Choline15 mg (from USDA’s older entry for this food)3%17 mg
Minerals
Calcium4.6 mg0%5.5 mg
Iron0.19 mg1%0.23 mg
Magnesium8.7 mg2%10 mg
Phosphorus79 mg6%93 mg
Potassium317 mg7%373 mg
Sodium5.5 mg0%6.4 mg
Zinc0.43 mg4%0.51 mg
Copper0.33 mg37%0.39 mg
Manganese0.05 mg2%0.05 mg
Selenium17 mcg31%20 mcg
Other
Omega-3 ALA0 g (from USDA’s older entry for this food)0%0 g
Omega-3 EPA0 g (from USDA’s older entry for this food)0 g
Omega-3 DHA0 g (from USDA’s older entry for this food)0 g
Water78 g92 g
Alcohol0 g (from USDA’s older entry for this food)0 g
Caffeine0 mg (from USDA’s older entry for this food)0 mg

Values marked † are from USDA’s older entry for this food, because the newest entry has no measurement for them. See the older entry · Why we do this

% DV = share of the FDA Daily Value for adults (a 2,000-calorie reference diet; adequate intake where no Daily Value exists). “—” means USDA has no measurement for this nutrient, which is not the same as zero.

Contaminants

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Other forms of mushrooms

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Where this data comes from

USDA’s newest lab analyses of single foods, with detailed sampling information.

Dataset
USDA FoodData Central, Foundation Foods
FDC ID
1999629 (opens USDA FoodData Central in a new tab)
Published
October 28, 2021
Release used
FoodData Central Foundation Foods 2026-10-29
Older entry used
Total sugars, Saturated fat, Monounsaturated fat, Polyunsaturated fat and 14 more: from USDA's older entry for this food, because this record has no value for them. Values measured in this record are never replaced.
Same food elsewhere
USDA SR Legacy

Values are per 100 g of edible portion, scaled to the serving you choose. USDA data is public domain. For general information, not medical advice.