Food · Vegetables and Vegetable Products
Portabella mushrooms nutrition facts
A typical portion of portabella mushrooms (1 cup diced; 86 g, raw) has 20 calories and 2g of protein (USDA FoodData Central). USDA lists 4 descriptions of it: per 100 g they range from 22 calories (raw) to 29 (grilled).
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, portabella, raw, scaled to the portion. Check the USDA record.
- Protein per 100 g
- 2.1g
- more than 25% of 8,218 USDA reference foods
- Calories per 100 g
- 22
- more than 4% of reference foods
- Sodium per 100 g
- 9mg
- more than 17% of reference foods
1 cup diced weighs 86 g in USDA's record for Mushrooms, portabella, raw (FDC 169255).
Where the calories come from: 57% carbohydrate, 12% fat and 31% protein (4 calories a gram of protein or carbohydrate, 9 of fat).
Also rich in
Source: USDA FoodData Central (FDC 169255), every nutrient the record reports; FDA Daily Values, 21 CFR 101.9.
Every form of portabella mushrooms USDA describes
Grilled has the most calories per 100 g (29); the fewest: Raw (22)
| USDA description | Calories | Protein | Fat | Sodium |
|---|---|---|---|---|
| Mushrooms, portabella, rawSame values: Mushrooms, portabella, exposed to ultraviolet light, raw | 22 | 2.1 g | 0.4 g | 9 mg |
| Mushrooms, portabella, grilledSame values: Mushrooms, portabella, exposed to ultraviolet light, grilled | 29 | 3.3 g | 0.6 g | 11 mg |
Every nutrient in this record (121)
The portion is 1 cup diced (86 g); % DV is for that portion.
Energy, macronutrients and sugars (20)
| Nutrient | Per portion | Per 100 g | % DV |
|---|---|---|---|
| Protein | 1.81 g | 2.11 g | 4% |
| Total lipid (fat) | 0.30 g | 0.35 g | 0% |
| Carbohydrate, by difference | 3.33 g | 3.87 g | 1% |
| Ash | 0.73 g | 0.85 g | |
| Energy | 18.9 kcal | 22.0 kcal | |
| Sucrose | 0 g | 0 g | |
| Glucose | 1.73 g | 2.01 g | |
| Fructose | 0.42 g | 0.49 g | |
| Lactose | 0 g | 0 g | |
| Maltose | 0 g | 0 g | |
| Alcohol, ethyl | 0 g | 0 g | |
| Water | 79.8 g | 92.8 g | |
| Total Sugars | 2.15 g | 2.50 g | |
| Galactose | 0 g | 0 g | |
| Fiber, total dietary | 1.12 g | 1.30 g | 4% |
| Cholesterol | 0 mg | 0 mg | 0% |
| Fatty acids, total trans | 0 g | 0 g | |
| Fatty acids, total saturated | 0.0086 g | 0.010 g | 0% |
| Fatty acids, total monounsaturated | 0.038 g | 0.044 g | |
| Fatty acids, total polyunsaturated | 0.25 g | 0.30 g |
Minerals (9)
| Nutrient | Per portion | Per 100 g | % DV |
|---|---|---|---|
| Calcium, Ca | 2.58 mg | 3.00 mg | 0% |
| Iron, Fe | 0.27 mg | 0.31 mg | 1% |
| Phosphorus, P | 92.9 mg | 108 mg | 7% |
| Potassium, K | 313 mg | 364 mg | 7% |
| Sodium, Na | 7.74 mg | 9.00 mg | 0% |
| Zinc, Zn | 0.46 mg | 0.53 mg | 4% |
| Copper, Cu | 0.25 mg | 0.29 mg | 27% |
| Manganese, Mn | 0.059 mg | 0.069 mg | 3% |
| Selenium, Se | 16.0 µg | 18.6 µg | 29% |
Vitamins (36)
| Nutrient | Per portion | Per 100 g | % DV |
|---|---|---|---|
| Retinol | 0 µg | 0 µg | |
| Vitamin A, RAE | 0 µg | 0 µg | 0% |
| Carotene, beta | 0 µg | 0 µg | |
| Carotene, alpha | 0 µg | 0 µg | |
| Vitamin E (alpha-tocopherol) | 0.017 mg | 0.020 mg | 0% |
| Vitamin D2 (ergocalciferol) | 0.26 µg | 0.30 µg | |
| Vitamin D3 (cholecalciferol) | 0 µg | 0 µg | |
| Vitamin D (D2 + D3) | 0.26 µg | 0.30 µg | 1% |
| Cryptoxanthin, beta | 0 µg | 0 µg | |
| Lycopene | 0 µg | 0 µg | |
| Lutein + zeaxanthin | 0 µg | 0 µg | |
| Tocopherol, beta | 0 mg | 0 mg | |
| Tocopherol, gamma | 0 mg | 0 mg | |
| Tocopherol, delta | 0 mg | 0 mg | |
| Tocotrienol, alpha | 0.017 mg | 0.020 mg | |
| Tocotrienol, beta | 0 mg | 0 mg | |
| Tocotrienol, gamma | 0 mg | 0 mg | |
| Tocotrienol, delta | 0 mg | 0 mg | |
| Vitamin C, total ascorbic acid | 0 mg | 0 mg | 0% |
| Thiamin | 0.051 mg | 0.059 mg | 4% |
| Riboflavin | 0.11 mg | 0.13 mg | 9% |
| Niacin | 3.86 mg | 4.49 mg | 24% |
| Pantothenic acid | 0.98 mg | 1.14 mg | |
| Vitamin B-6 | 0.13 mg | 0.15 mg | 7% |
| Folate, total | 24.1 µg | 28.0 µg | |
| Vitamin B-12 | 0.043 µg | 0.050 µg | 2% |
| Choline, total | 18.2 mg | 21.2 mg | 3% |
| Vitamin K (Menaquinone-4) | 0 µg | 0 µg | |
| Vitamin K (Dihydrophylloquinone) | 1.55 µg | 1.80 µg | |
| Vitamin K (phylloquinone) | 0 µg | 0 µg | 0% |
| Folic acid | 0 µg | 0 µg | |
| Folate, food | 24.1 µg | 28.0 µg | |
| Folate, DFE | 24.1 µg | 28.0 µg | 6% |
| Betaine | 5.25 mg | 6.10 mg | |
| Vitamin E, added | 0 mg | 0 mg | |
| Vitamin B-12, added | 0 µg | 0 µg |
Amino acids (18)
| Nutrient | Per portion | Per 100 g | % DV |
|---|---|---|---|
| Tryptophan | 0.030 g | 0.035 g | |
| Threonine | 0.087 g | 0.10 g | |
| Isoleucine | 0.071 g | 0.082 g | |
| Leucine | 0.11 g | 0.13 g | |
| Lysine | 0.10 g | 0.12 g | |
| Methionine | 0.025 g | 0.029 g | |
| Cystine | 0.0086 g | 0.010 g | |
| Phenylalanine | 0.065 g | 0.076 g | |
| Tyrosine | 0.012 g | 0.014 g | |
| Valine | 0.065 g | 0.076 g | |
| Arginine | 0.071 g | 0.082 g | |
| Histidine | 0.050 g | 0.058 g | |
| Alanine | 0.14 g | 0.17 g | |
| Aspartic acid | 0.19 g | 0.22 g | |
| Glutamic acid | 0.27 g | 0.32 g | |
| Glycine | 0.083 g | 0.096 g | |
| Proline | 0.065 g | 0.076 g | |
| Serine | 0.079 g | 0.092 g |
Fatty acids (32)
| Nutrient | Per portion | Per 100 g | % DV |
|---|---|---|---|
| SFA 4:0 | 0 g | 0 g | |
| SFA 20:0 | 0.0026 g | 0.0030 g | |
| MUFA 18:1 | 0.014 g | 0.016 g | |
| PUFA 18:2 | 0.13 g | 0.15 g | |
| PUFA 18:3 | 0 g | 0 g | |
| SFA 22:0 | 0.0026 g | 0.0030 g | |
| MUFA 14:1 | 0.00086 g | 0.0010 g | |
| MUFA 16:1 | 0.0069 g | 0.0080 g | |
| MUFA 22:1 | 0 g | 0 g | |
| Stigmasterol | 0 mg | 0 mg | |
| Campesterol | 1.72 mg | 2.00 mg | |
| Beta-sitosterol | 0 mg | 0 mg | |
| SFA 15:0 | 0.0026 g | 0.0030 g | |
| SFA 17:0 | 0.0026 g | 0.0030 g | |
| SFA 24:0 | 0 g | 0 g | |
| TFA 16:1 t | 0 g | 0 g | |
| TFA 18:1 t | 0 g | 0 g | |
| TFA 22:1 t | 0 g | 0 g | |
| TFA 18:2 t not further defined | 0 g | 0 g | |
| PUFA 18:2 CLAs | 0 g | 0 g | |
| MUFA 24:1 c | 0 g | 0 g | |
| PUFA 20:2 n-6 c,c | 0 g | 0 g | |
| MUFA 16:1 c | 0.0043 g | 0.0050 g | |
| MUFA 18:1 c | 0.012 g | 0.014 g | |
| PUFA 18:2 n-6 c,c | 0.13 g | 0.15 g | |
| MUFA 22:1 c | 0 g | 0 g | |
| PUFA 18:3 n-6 c,c,c | 0 g | 0 g | |
| MUFA 17:1 | 0 g | 0 g | |
| PUFA 20:3 | 0 g | 0 g | |
| Fatty acids, total trans-monoenoic | 0 g | 0 g | |
| Fatty acids, total trans-polyenoic | 0 g | 0 g | |
| MUFA 15:1 | 0 g | 0 g |
Source: USDA FoodData Central, FDC 169255: 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 portabella mushrooms?
20 in 1 cup diced (86 g) of raw; 22 to 29 per 100 g across USDA's descriptions.
How much protein is in portabella mushrooms?
2g in 1 cup diced; 2.1 g per 100 g.
How much sodium is in portabella mushrooms?
10mg in 1 cup diced; 9 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