Mushroom, portabella
Nutrition facts per 100 g and per 100 g · Vegetables and Vegetable Products
100 g of Mushroom, portabella provides 26 kcal, 2.75 g protein, 0.31 g fat and 4.66 g carbohydrate (1.88 g fiber). Per 100 g it is high in Riboflavin (B2) (36% DV), Selenium (27% DV), Niacin (B3) (24% DV), Copper (23% DV).
Protein 34%Fat 9%Carbohydrate 57%
Calculated from the grams above at 4 kcal/g for protein and carbohydrate and 9 kcal/g for fat, as a share of those three.
Percentage of the FDA Daily Value in one portion. Exact amounts are in the tables below.
What stands out
- Riboflavin (B2): 0.47 mg per 100 g — 36% of the Daily Value. Other top sources →
- Selenium: 14.7 µg per 100 g — 27% of the Daily Value. Other top sources →
- Niacin (B3): 3.9 mg per 100 g — 24% of the Daily Value. Other top sources →
- Copper: 0.2 mg per 100 g — 23% of the Daily Value. Other top sources →
Energy and macronutrients
| Nutrient | per 100 g | per 100 g (100 g) | % DV per 100 g |
|---|---|---|---|
| Energy | 26 kcal | 26 kcal | |
| Protein | 2.75 g | 2.75 g | 6% |
| Total fat | 0.31 g | 0.31 g | 0% |
| Saturated fat | — g | — | |
| Monounsaturated fat | — g | — | |
| Polyunsaturated fat | — g | — | |
| Cholesterol | — mg | — | |
| Carbohydrate | 4.66 g | 4.66 g | 2% |
| Dietary fiber | 1.88 g | 1.88 g | 7% |
| Sugars (total) | — g | — | |
| Water | 91.5 g | 91.5 g |
Vitamins
| Nutrient | per 100 g | per 100 g (100 g) | % DV per 100 g |
|---|---|---|---|
| Vitamin A (RAE) | — µg | — | |
| Vitamin C | — mg | — | |
| Vitamin D | 0 µg | 0 µg | 0% |
| Vitamin E | — mg | — | |
| Vitamin K | — µg | — | |
| Thiamin (B1) | 0.01 mg | 0.01 mg | 0% |
| Riboflavin (B2) | 0.47 mg | 0.47 mg | 36% |
| Niacin (B3) | 3.9 mg | 3.9 mg | 24% |
| Vitamin B6 | 0.1 mg | 0.1 mg | 6% |
| Folate | — µg | — | |
| Vitamin B12 | — µg | — | |
| Choline | — mg | — |
Minerals
| Nutrient | per 100 g | per 100 g (100 g) | % DV per 100 g |
|---|---|---|---|
| Calcium | 3.23 mg | 3.23 mg | 0% |
| Iron | 0.14 mg | 0.14 mg | 1% |
| Magnesium | 9.04 mg | 9.04 mg | 2% |
| Phosphorus | 87.5 mg | 87.5 mg | 7% |
| Potassium | 349.3 mg | 349.3 mg | 7% |
| Sodium | 5.31 mg | 5.31 mg | 0% |
| Zinc | 0.39 mg | 0.39 mg | 4% |
| Copper | 0.2 mg | 0.2 mg | 23% |
| Selenium | 14.7 µg | 14.7 µg | 27% |
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Source and how to read this
Data: USDA FoodData Central, Foundation Foods, release 2025-12-18, FDC ID 2003598 — laboratory-analysed sample. Described in USDA as Mushroom, portabella; we shorten these names for readability and keep the original here. Values are per 100 g of edible portion as USDA reports them; a serving may be more or less.
Portion: "100 g" = 100 g is the primary household measure USDA records for this food. Per-100 g values let you compare foods; per-portion values are closer to what you actually eat.
% Daily Value: FDA Daily Values for adults and children 4+ (FDA, page updated 2024-03-05). "High" means ≥20% DV and "good source" 10–19% DV — FDA's labelling cut-offs (21 CFR 101.54), which apply per serving; we apply the same cut-offs to 100 g so foods can be compared. No DV exists for energy or total sugars, so those show no percentage.
Checked: 2026-09-15. Methodology. Found an error? learn@humblebee.ltd
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