Calories in Mushrooms, oyster, raw
Generic food Raw Vegetables
Mushrooms, oyster, raw contains 33 kcal per 100 g. A typical serving of 1 cup sliced (86 g) provides about 28 kcal.
Roughly 59% of its calories come from carbohydrates, with 32% from protein and 9% from fat (estimated with general energy factors).
That is close to the median for vegetables and vegetable products on FoodFactly (35 kcal per 100 g).
100 g provides 31% of the Daily Value for Niacin (B3), 27% of the Daily Value for copper and 27% of the Daily Value for Riboflavin (B2).
These values are for the raw food. Cooking changes the water content and some nutrients, so cooked versions are listed separately below.
The data comes from USDA FoodData Central: SR Legacy, where most core values were measured by laboratory analysis.
Nutrition facts
| Nutrient | Amount per 100 g | % DV |
|---|---|---|
| Calories C | 33 kcal | |
| Total fat M | 0.41 g | 0.5% |
| Saturated fat C | 0.062 g | 0.3% |
| Trans fat Z | 0 g | |
| Cholesterol Z | 0 mg | 0% |
| Sodium M | 18 mg | 0.8% |
| Total carbohydrates C | 6.1 g | 2% |
| Dietary fiber C | 2.3 g | 8% |
| Total sugars M | 1.1 g | |
| Protein M | 3.3 g | 7% |
| Vitamin A ? | 2 µg | 0.2% |
| Vitamin C M | 0 mg | 0% |
| Vitamin D ? | 0.7 µg | 4% |
| Vitamin E M | 0 mg | 0% |
| Vitamin K M | 0 µg | 0% |
| Thiamin (B1) M | 0.13 mg | 10% |
| Riboflavin (B2) M | 0.35 mg | 27% |
| Niacin (B3) M | 5 mg | 31% |
| Pantothenic acid (B5) M | 1.3 mg | 26% |
| Vitamin B6 M | 0.11 mg | 6% |
| Folate (B9) C | 38 µg | 10% |
| Vitamin B12 Z | 0 µg | 0% |
| Choline ? | 48.7 mg | 9% |
| Calcium M | 3 mg | 0.2% |
| Iron M | 1.3 mg | 7% |
| Magnesium M | 18 mg | 4% |
| Phosphorus M | 120 mg | 10% |
| Potassium M | 420 mg | 9% |
| Zinc M | 0.77 mg | 7% |
| Copper M | 0.24 mg | 27% |
| Manganese M | 0.11 mg | 5% |
| Selenium M | 2.6 µg | 5% |
% 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 32%
- Carbohydrates 59%
- 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
- Protein3.3 gin the top quarter of vegetables and vegetable products (median 2 g)
- Fiber2.3 gabove the median for vegetables and vegetable products (median 2.2 g)
- Sugars1.1 gin the lowest quarter of vegetables and vegetable products (median 2.3 g)
- Fat0.41 gabove the median for vegetables and vegetable products (median 0.3 g)
- Saturated fat0.062 gabove the median for vegetables and vegetable products (median 0.052 g)
- Sodium18 mgbelow the median for vegetables and vegetable products (median 36 mg)
- Protein per 100 kcal10 gprotein density, useful for comparing foods with different calorie levels
- Water89.2 gwater per 100 g, which largely explains differences between raw, cooked and dried forms
Full nutrient profile
Fats and cholesterol (2)
| Monounsaturated fat C | 0.031 g |
|---|---|
| Polyunsaturated fat C | 0.12 g |
Sugars and starch (7)
| Starch M | 0 g |
|---|---|
| Sucrose M | 0 g |
| Glucose M | 1.1 g |
| Fructose M | 0 g |
| Lactose M | 0 g |
| Maltose M | 0 g |
| Galactose M | 0 g |
Amino acids (18)
| Tryptophan M | 0.042 g |
|---|---|
| Threonine M | 0.14 g |
| Isoleucine M | 0.11 g |
| Leucine M | 0.17 g |
| Lysine M | 0.13 g |
| Methionine M | 0.042 g |
| Cystine M | 0.028 g |
| Phenylalanine M | 0.11 g |
| Tyrosine M | 0.084 g |
| Valine M | 0.2 g |
| Arginine M | 0.18 g |
| Histidine M | 0.07 g |
| Alanine M | 0.24 g |
| Aspartic acid M | 0.3 g |
| Glutamic acid M | 0.63 g |
| Glycine M | 0.13 g |
| Proline M | 0.042 g |
| Serine M | 0.13 g |
Individual fatty acids (32)
| EPA (omega-3, 20:5 n-3) M | 0 g |
|---|---|
| DHA (omega-3, 22:6 n-3) M | 0 g |
| Linoleic acid (omega-6, 18:2) M | 0.12 g |
| SFA 4:0 Z | 0 g |
| SFA 6:0 Z | 0 g |
| SFA 8:0 M | 0 g |
| SFA 10:0 M | 0 g |
| SFA 12:0 M | 0 g |
| SFA 14:0 M | 0 g |
| SFA 16:0 M | 0.062 g |
| SFA 18:0 M | 0 g |
| SFA 20:0 M | 0 g |
| MUFA 18:1 M | 0.031 g |
| PUFA 18:3 M | 0 g |
| PUFA 20:4 M | 0 g |
| SFA 22:0 M | 0 g |
| MUFA 14:1 M | 0 g |
| MUFA 16:1 M | 0 g |
| PUFA 18:4 M | 0 g |
| MUFA 20:1 M | 0 g |
| MUFA 22:1 M | 0 g |
| PUFA 22:5 n-3 (DPA) M | 0 g |
| SFA 15:0 M | 0 g |
| SFA 17:0 M | 0 g |
| SFA 24:0 M | 0 g |
| MUFA 24:1 c M | 0 g |
| PUFA 20:2 n-6 c,c M | 0 g |
| MUFA 17:1 M | 0 g |
| PUFA 20:3 M | 0 g |
| MUFA 15:1 M | 0 g |
| PUFA 21:5 M | 0 g |
| PUFA 22:4 M | 0 g |
Carotenoids (16)
| Beta-carotene M | 29 µg |
|---|---|
| Lycopene Z | 0 µg |
| Lutein + zeaxanthin Z | 0 µg |
| Retinol Z | 0 µg |
| Carotene, alpha Z | 0 µg |
| Vitamin D (D2 + D3), International Units M | 29 IU |
| Vitamin D2 (ergocalciferol) M | 0.7 µg |
| Vitamin D3 (cholecalciferol) M | 0 µg |
| Cryptoxanthin, beta Z | 0 µg |
| Tocopherol, beta M | 0 mg |
| Tocopherol, gamma M | 0 mg |
| Tocopherol, delta M | 0 mg |
| Tocotrienol, alpha M | 0.03 mg |
| Tocotrienol, beta M | 0 mg |
| Tocotrienol, gamma M | 0 mg |
| Tocotrienol, delta M | 0 mg |
Sterols (3)
| Stigmasterol M | 0 mg |
|---|---|
| Campesterol M | 1 mg |
| Beta-sitosterol M | 0 mg |
Other components (12)
| Water C | 89.2 g |
|---|---|
| Alcohol Z | 0 g |
| Caffeine Z | 0 mg |
| Ash M | 1 g |
| Theobromine Z | 0 mg |
| Energy C | 139 kJ |
| Vitamin A, IU ? | 48 IU |
| Vitamin K (Menaquinone-4) M | 0 µg |
| Vitamin K (Dihydrophylloquinone) M | 0 µg |
| Folic acid Z | 0 µg |
| Folate, food C | 38 µg |
| Betaine M | 12.1 mg |
Other forms of Mushrooms
Raw, cooked, dried and processed versions are separate records with their own measured values.
| Food | Calories | Protein | Carbs | Fat |
|---|---|---|---|---|
| Mushrooms, Chanterelle, raw Raw | 32 | 1.5 g | 6.9 g | 0.53 g |
| Mushrooms, morel, raw Raw | 31 | 3.1 g | 5.1 g | 0.57 g |
| Mushrooms, brown, italian, or crimini, raw Raw | 22 | 2.5 g | 4.3 g | 0.1 g |
| Mushrooms, shiitake, stir-fried Cooked | 39 | 3.5 g | 7.7 g | 0.35 g |
| Mushrooms, shiitake, dried Dried or dry | 296 | 9.6 g | 75.4 g | 0.99 g |
| Mushrooms, shiitake, cooked, without salt Cooked | 56 | 1.6 g | 14.4 g | 0.22 g |
| Mushrooms, white, cooked, boiled, drained, with salt Cooked | 28 | 2.2 g | 5.3 g | 0.47 g |
| Mushrooms, brown, italian, or crimini, exposed to ultraviolet light, raw Raw | 22 | 2.5 g | 4.3 g | 0.1 g |
| Mushrooms, straw, canned, drained solids Canned | 32 | 3.8 g | 4.6 g | 0.68 g |
| Mushrooms, shiitake, raw Raw | 34 | 2.2 g | 6.8 g | 0.49 g |
| Mushrooms, portabella, grilled Cooked | 29 | 3.3 g | 4.4 g | 0.58 g |
| White mushrooms, raw Raw | 22 | 3.1 g | 3.3 g | 0.34 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 |
|---|---|---|---|---|
| Broccoli, raw Raw | 34 | 2.8 g | 6.6 g | 0.37 g |
| Spinach, raw Raw | 23 | 2.9 g | 3.6 g | 0.39 g |
| Cauliflower, raw Raw | 25 | 1.9 g | 5 g | 0.28 g |
| Asparagus, raw Raw | 20 | 2.2 g | 3.9 g | 0.12 g |
| Romaine lettuce, raw Raw | 17 | 1.2 g | 3.3 g | 0.3 g |
| Green beans, raw Raw | 31 | 1.8 g | 7 g | 0.22 g |
| Broccoli, leaves, raw Raw | 28 | 3 g | 5.1 g | 0.35 g |
| Broccoli, flower clusters, raw Raw | 28 | 3 g | 5.1 g | 0.35 g |
Per 100 g. Calories in kcal. n/a: not reported by the source.
Frequently asked questions
How many calories are in raw mushrooms?
100 g of raw mushrooms has 33 kcal. 1 cup sliced (86 g): about 28 kcal. 1 small (15 g): about 5 kcal. 1 large (148 g): about 49 kcal.
How much protein is in raw mushrooms?
Raw mushrooms contains 3.3 g of protein per 100 g (7% of the 50 g Daily Value), or 2.8 g in 1 cup sliced (86 g). About 32% of its calories come from protein. Compared with other vegetables and vegetable products, that is among the highest quarter (median 2 g).
How many carbs are in raw mushrooms?
Raw mushrooms has 6.1 g of total carbohydrates per 100 g, including 2.3 g of fiber and 1.1 g of sugars.
How much fat is in raw mushrooms?
Raw mushrooms contains 0.41 g of fat per 100 g, of which 0.062 g is saturated (0.3% of the Daily Value).
What vitamins and minerals does raw mushrooms contain?
Per 100 g, the most notable amounts relative to the Daily Value are Niacin (B3) (31% DV), copper (27% DV), Riboflavin (B2) (27% DV), Pantothenic acid (B5) (26% DV) and Thiamin (B1) (10% DV). The full list is in the vitamins and minerals table above.
How much sodium is in raw mushrooms?
100 g contains 18 mg of sodium, 0.8% of the 2,300 mg Daily Value.
Does mushrooms have the same nutrition raw and cooked?
No. Per 100 g, mushrooms, oyster, raw has 33 kcal, while mushrooms, shiitake, stir-fried has 39 kcal. Cooking 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: SR Legacy, record dated April 1, 2019. 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: SR Legacy, record 168580. License: CC0 1.0 (U.S. public domain). Source record dated April 1, 2019. Imported November 6, 2026.
Last updated: . Data quality score: 100/100 (how it is calculated).
General nutrition information, not medical advice. Individual needs differ; see our disclaimer.