Food · Vegetables and Vegetable Products
White button mushrooms nutrition facts
A typical portion of white button mushrooms (100 g; 100 g, white button (FDC 1750347)) has 25 calories and 3g of protein (USDA FoodData Central). USDA lists 2 descriptions of it.
Nutrition Facts
* The % Daily Value (DV) tells you how much a nutrient in a serving of food contributes to a daily diet. 2,000 calories a day is used for general nutrition advice. Protein % DV here is not corrected for protein quality.
USDA values per 100 g for Mushrooms, white button, scaled to the portion. Check the USDA record.
- Protein per 100 g
- 2.9g
- more than 29% of 8,218 USDA reference foods
- Calories per 100 g
- 25
- more than 5% of reference foods
- Sodium per 100 g
- 6mg
- more than 15% of reference foods
100 g weighs 100 g in USDA's record for Mushrooms, white button (FDC 1750347).
Where the calories come from: 52% carbohydrate, 11% fat and 37% protein (4 calories a gram of protein or carbohydrate, 9 of fat).
Also rich in
Source: USDA FoodData Central (FDC 1750347), every nutrient the record reports; FDA Daily Values, 21 CFR 101.9.
Every form of white button mushrooms USDA describes
| USDA description | Calories | Protein | Fat | Sodium |
|---|---|---|---|---|
| Mushrooms, white button (Foundation)Same values: Mushrooms, white button | 25 | 2.9 g | 0.4 g | 6 mg |
Every nutrient in this record (23)
The portion is 100 g (100 g); % DV is for that portion.
Energy, macronutrients and sugars (5)
| Nutrient | Per portion | Per 100 g | % DV |
|---|---|---|---|
| Protein | 2.89 g | 2.89 g | 6% |
| Total lipid (fat) | 0.37 g | 0.37 g | 0% |
| Carbohydrate, by difference | 4.08 g | 4.08 g | 1% |
| Ash | 0.83 g | 0.83 g | |
| Water | 91.8 g | 91.8 g |
Minerals (10)
| Nutrient | Per portion | Per 100 g | % DV |
|---|---|---|---|
| Calcium, Ca | 5.46 mg | 5.46 mg | 0% |
| Iron, Fe | 0.23 mg | 0.23 mg | 1% |
| Magnesium, Mg | 10.2 mg | 10.2 mg | 2% |
| Phosphorus, P | 93.0 mg | 93.0 mg | 7% |
| Potassium, K | 373 mg | 373 mg | 8% |
| Sodium, Na | 6.44 mg | 6.44 mg | 0% |
| Zinc, Zn | 0.51 mg | 0.51 mg | 5% |
| Copper, Cu | 0.39 mg | 0.39 mg | 43% |
| Manganese, Mn | 0.054 mg | 0.054 mg | 2% |
| Selenium, Se | 20.1 µg | 20.1 µg | 36% |
Vitamins (5)
| Nutrient | Per portion | Per 100 g | % DV |
|---|---|---|---|
| Thiamin | 0.065 mg | 0.065 mg | 5% |
| Niacin | 3.88 mg | 3.88 mg | 24% |
| Vitamin B-6 | 0.077 mg | 0.077 mg | 5% |
| Biotin | 9.07 µg | 9.07 µg | |
| Folate, total | 34.8 µg | 34.8 µg |
Source: USDA FoodData Central, FDC 1750347: every value the record reports, per 100 g as USDA gives it and scaled to the portion; Daily Values: 21 CFR 101.9.
Source: USDA FoodData Central (SR Legacy, Foundation Foods and Survey foods), April 30, 2026 release.
Questions
How many calories are in white button mushrooms?
25 in 100 g (100 g) of white button (FDC 1750347).
How much protein is in white button mushrooms?
3g in 100 g; 2.9 g per 100 g.
How much sodium is in white button mushrooms?
5mg in 100 g; 6 mg per 100 g. Salt added in cooking changes it: USDA lists salted and unsalted forms separately where it measured both.
Sources for this page
- USDA FoodData Central
- the food and product records, April 30, 2026 release. fdc.nal.usda.gov
- FoodData Central documentation
- what each data type is and how branded records are submitted. fdc.nal.usda.gov
- USDA Food and Nutrient Database for Dietary Studies
- the survey foods and their portions. ars.usda.gov
- 21 CFR 101.9, Nutrition labeling of food
- the label format, rounding and Daily Values. ecfr.gov
- FDA, How to Understand and Use the Nutrition Facts Label
- the 5% and 20% Daily Value rule. fda.gov