Calories in Mushroom, portabella
Generic food Vegetables
Mushroom, portabella contains 26 kcal per 100 g. A typical serving of reference amount, racc (85 g) provides about 22 kcal.
Roughly 57% of its calories come from carbohydrates, with 34% from protein and 9% from fat (estimated with general energy factors).
That is less energy than the typical item in vegetables and vegetable products on FoodFactly, where the median is 35 kcal per 100 g across 866 foods.
100 g provides 37% of the Daily Value for Biotin (B7), 36% of the Daily Value for Riboflavin (B2) and 27% of the Daily Value for selenium.
The data comes from USDA FoodData Central: Foundation Foods, where most core values were measured by laboratory analysis.
Nutrition facts
| Nutrient | Amount per 100 g | % DV |
|---|---|---|
| Calories C | 26 kcal | |
| Total fat M | 0.31 g | 0.4% |
| Saturated fat | not reported | |
| Sodium M | 5.3 mg | 0.2% |
| Total carbohydrates C | 4.7 g | 2% |
| Dietary fiber M | 1.9 g | 7% |
| Total sugars | not reported | |
| Protein C | 2.8 g | 6% |
| Vitamin D C | 0 µg | 0% |
| Thiamin (B1) M | 0.005 mg | 0.4% |
| Riboflavin (B2) M | 0.47 mg | 36% |
| Niacin (B3) M | 3.9 mg | 24% |
| Vitamin B6 M | 0.097 mg | 6% |
| Biotin (B7) M | 11.1 µg | 37% |
| Calcium M | 3.2 mg | 0.2% |
| Iron M | 0.14 mg | 0.8% |
| Magnesium M | 9 mg | 2% |
| Phosphorus M | 87.5 mg | 7% |
| Potassium M | 349 mg | 7% |
| Zinc M | 0.39 mg | 4% |
| Copper M | 0.2 mg | 23% |
| Manganese M | 0.049 mg | 2% |
| Selenium M | 14.7 µg | 27% |
% DV: percent of the FDA Daily Value for adults (reference amounts). Letters show how each value was obtained: M measured, C calculated, L label, Z assumed zero, I imputed. Vitamins and minerals not listed were not reported by the source.
Nutritional breakdown
- Protein 34%
- Carbohydrates 57%
- Fat 9%
Approximate share of calories, using general energy factors (4 kcal/g protein and carbohydrate, 9 kcal/g fat, 7 kcal/g alcohol).
Vitamins and minerals, % Daily Value per 100 g
Nutritional insights
- Protein2.8 gabove the median for vegetables and vegetable products (median 2 g)
- Fiber1.9 gbelow the median for vegetables and vegetable products (median 2.2 g)
- Fat0.31 gabove the median for vegetables and vegetable products (median 0.3 g)
- Sodium5.3 mgin the lowest quarter of vegetables and vegetable products (median 36 mg)
- Protein per 100 kcal10.6 gprotein density, useful for comparing foods with different calorie levels
- Water91.5 gwater per 100 g, which largely explains differences between raw, cooked and dried forms
Full nutrient profile
Amino acids (9)
| Tryptophan M | 0.41 g |
|---|---|
| Threonine M | 1.2 g |
| Isoleucine M | 1 g |
| Leucine M | 1.6 g |
| Lysine M | 1.5 g |
| Methionine M | 0.35 g |
| Phenylalanine M | 1 g |
| Valine M | 2.2 g |
| Histidine M | 0.56 g |
Carotenoids (2)
| Vitamin D (D2 + D3), International Units C | 0 IU |
|---|---|
| Vitamin D2 (ergocalciferol) M | 0 µg |
Sterols (6)
| Ergosterol M | 48.9 mg |
|---|---|
| Stigmasterol M | 0 mg |
| Campesterol M | 0 mg |
| Beta-sitosterol M | 0 mg |
| Beta-sitostanol M | 0 mg |
| Delta-5-avenasterol M | 0 mg |
Other components (11)
| Water M | 91.5 g |
|---|---|
| Nitrogen M | 0.44 g |
| Ash M | 0.8 g |
| Delta-7-Stigmastenol M | 0 mg |
| Ergothioneine M | 2.3 mg |
| Beta-glucan M | 1.2 g |
| Vitamin D4 M | 0 µg |
| Ergosta-7-enol M | 1.8 mg |
| Ergosta-7,22-dienol M | 1.8 mg |
| Ergosta-5,7-dienol M | 4.7 mg |
| Glutathione M | 5 mg |
Other forms of Mushroom
Raw, cooked, dried and processed versions are separate records with their own measured values.
| Food | Calories | Protein | Carbs | Fat |
|---|---|---|---|---|
| Mushroom, white, exposed to ultraviolet light, raw Raw | 22 | 3.1 g | 3.3 g | 0.34 g |
| Mushroom, lion's mane | 35 | 2.5 g | 7.6 g | 0.26 g |
| Mushroom, oyster | 33 | 2.9 g | 6.9 g | 0.19 g |
| Mushroom, king oyster | 38 | 2.4 g | 8.5 g | 0.31 g |
| Mushroom, enoki | 37 | 2.4 g | 8.1 g | 0.25 g |
| Mushroom, crimini | 24 | 3.1 g | 4 g | 0.2 g |
| Mushroom, maitake | 31 | 2.2 g | 6.6 g | 0.27 g |
| Mushroom, beech | 33 | 2.2 g | 6.8 g | 0.45 g |
| Mushroom, pioppini | 31 | 3.5 g | 5.8 g | 0.24 g |
| Mushroom, Asian, cooked, from dried Cooked | 44 | 2.4 g | 8.2 g | 0.2 g |
Per 100 g. Calories in kcal. n/a: not reported by the source.
Foods with a similar nutritional profile
| Food | Calories | Protein | Carbs | Fat |
|---|---|---|---|---|
| Mushrooms, white button | 25 | 2.9 g | 4.1 g | 0.37 g |
| Spinach, mature | 22 | 2.9 g | 2.6 g | 0.6 g |
| Spinach, baby | 21 | 2.9 g | 2.4 g | 0.62 g |
| Cabbage, kimchi | 15 | 1.1 g | 2.4 g | 0.5 g |
| Kimchi | 15 | 1.1 g | 2.4 g | 0.5 g |
| Lettuce, salad with assorted vegetables excluding tomatoes and carrots, no dressing | 23 | 1.2 g | 4.1 g | 0.19 g |
| Tomato, roma | 19 | 0.7 g | 3.8 g | 0.43 g |
| Lettuce, salad with assorted vegetables including tomatoes and/or carrots, no dressing | 24 | 1.1 g | 4.6 g | 0.2 g |
Per 100 g. Calories in kcal. n/a: not reported by the source.
Frequently asked questions
How many calories are in mushroom?
100 g of mushroom has 26 kcal. Reference amount, racc (85 g): about 22 kcal.
How much protein is in mushroom?
Mushroom contains 2.8 g of protein per 100 g (6% of the 50 g Daily Value), or 2.3 g in reference amount, racc (85 g). About 34% of its calories come from protein. Compared with other vegetables and vegetable products, that is above the median (median 2 g).
How many carbs are in mushroom?
Mushroom has 4.7 g of total carbohydrates per 100 g, including 1.9 g of fiber.
How much fat is in mushroom?
Mushroom contains 0.31 g of fat per 100 g.
What vitamins and minerals does mushroom contain?
Per 100 g, the most notable amounts relative to the Daily Value are Biotin (B7) (37% DV), Riboflavin (B2) (36% DV), selenium (27% DV), Niacin (B3) (24% DV) and copper (23% DV). The full list is in the vitamins and minerals table above.
How much sodium is in mushroom?
100 g contains 5.3 mg of sodium, 0.2% of the 2,300 mg Daily Value.
Does mushroom have the same nutrition not specified and raw?
No. Per 100 g, mushroom, portabella has 26 kcal, while mushroom, white, exposed to ultraviolet light, raw has 22 kcal. Processing changes the water content, so always use the record that matches how you weigh the food.
Where does this nutrition data come from?
From USDA FoodData Central: Foundation Foods, record dated October 28, 2021. FoodFactly last checked it on November 6, 2026. Each value above shows whether it was measured, calculated or taken from a label.
Source of the nutrition information
- USDA FoodData Central: Foundation Foods, record 2003598. License: CC0 1.0 (U.S. public domain). Source record dated October 28, 2021. Imported November 6, 2026.
Last updated: . Data quality score: 90/100 (how it is calculated).
General nutrition information, not medical advice. Individual needs differ; see our disclaimer.