Vegetable
Shiitake mushrooms (raw) Nutrition Facts
USDA description: Mushrooms, shiitake, raw
Per 100 g, Shiitake mushrooms (raw) provides 34 calories. A typical portion, 1 piece whole (19 g), has 6 calories, 0.4 g protein, 1.3 g carbs and 0.1 g fat.
- calories
- 34
- protein
- 2.2 g
- carbs
- 6.8 g
- fat
- 0.5 g
Per 100 g.
Calories and macros per serving
Serving weights are USDA's own for this record; each value is the per-100 g amount scaled to that weight. % = share of the FDA Daily Value.
| Serving | Calories | Protein | Carbs | Fat | Fiber | Sugars |
|---|---|---|---|---|---|---|
| 100 g | 342% | 2.2 g4% | 6.8 g2% | 0.5 g1% | 2.5 g9% | 2.4 g |
| 1 piece whole19 g | 6<1% | 0.4 g1% | 1.3 g<1% | 0.1 g<1% | 0.5 g2% | 0.5 g |
Calories in kcal. n/r = not reported for this food.
Raw, cooked and other forms
Cooking changes water content, so values per 100 g shift. Each row is its own USDA record.
| Form (per 100 g) | Calories | Protein | Carbs | Fat |
|---|---|---|---|---|
| Shiitake mushrooms (raw) (this page) | 34 | 2.2 g | 6.8 g | 0.5 g |
| Shiitake mushrooms (cooked, with salt) | 56 | 1.6 g | 14 g | 0.2 g |
| Shiitake mushrooms (cooked, without salt) | 56 | 1.6 g | 14 g | 0.2 g |
How Shiitake mushrooms ranks among vegetables
Rank 1 = the most of that nutrient among the vegetables on CalorieExplorer. Per 200 kcal shows nutrient density: how much you get for the same calories.
| Nutrient | Per 100 g | Per 200 kcal |
|---|---|---|
| Protein | 2.2 g#46 of 126 vegetables | 13 g#44 of 126 vegetables |
| Fiber | 2.5 g#44 of 115 vegetables | 15 g#45 of 115 vegetables |
| Potassium | 304 mg#44 of 126 vegetables | 1,788 mg#44 of 126 vegetables |
| Calcium | 2 mg#122 of 126 vegetables | 12 mg#121 of 126 vegetables |
| Iron | 0.41 mg#102 of 126 vegetables | 2.4 mg#96 of 126 vegetables |
| Magnesium | 20 mg#56 of 125 vegetables | 118 mg#57 of 125 vegetables |
Macronutrient Breakdown
Compared with the median of vegetables
Per 100 g; median of the 125 vegetables with a value.
- Calories
- Shiitake mushrooms: 34 kcalmedian: 33 kcal
- Protein
- Shiitake mushrooms: 2.2 gmedian: 1.8 g
- Carbs
- Shiitake mushrooms: 6.8 gmedian: 7.1 g
- Fat
- Shiitake mushrooms: 0.5 gmedian: 0.3 g
- Fiber
- Shiitake mushrooms: 2.5 gmedian: 2.3 g
Vitamins and minerals
| Nutrient | Per 100 g | %DV | Per 1 piece whole (19 g) | %DV |
|---|---|---|---|---|
| Trans fat | 0 g | no DV | 0 g | no DV |
| Sodium | 9 mg | <1% | 1.7 mg | <1% |
| Vitamin D | 0.4 µg | 2% | 0.08 µg | <1% |
| Calcium | 2 mg | <1% | 0.38 mg | <1% |
| Iron | 0.41 mg | 2% | 0.08 mg | <1% |
| Potassium | 304 mg | 6% | 58 mg | 1% |
| Thiamin (B1) | 0.02 mg | 1% | 0 mg | <1% |
| Riboflavin (B2) | 0.22 mg | 17% | 0.04 mg | 3% |
| Niacin (B3) | 3.9 mg | 24% | 0.74 mg | 5% |
| Vitamin B6 | 0.29 mg | 17% | 0.06 mg | 3% |
| Folate (approx.) | 13 µg | 3% | 2.5 µg | 1% |
| Phosphorus | 112 mg | 9% | 21 mg | 2% |
| Magnesium | 20 mg | 5% | 3.8 mg | 1% |
| Zinc | 1 mg | 9% | 0.2 mg | 2% |
| Selenium | 5.7 µg | 10% | 1.1 µg | 2% |
| Copper | 0.14 mg | 16% | 0.03 mg | 3% |
| Manganese | 0.23 mg | 10% | 0.04 mg | 2% |
Not reported in this USDA record: Saturated fat, Cholesterol, Vitamin A (RAE), Vitamin C, Vitamin E, Vitamin K, Vitamin B12.
Source: U.S. Department of Agriculture, FoodData Central, FDC ID 169242 (SR Legacy, April 2018 final release). Values per 100 g as published in that record, imported 2026-03-13; serving weights from the same record, retrieved 2026-10-13.
% Daily Value: FDA Daily Values (2016 Nutrition Facts label rule, 21 CFR 101.9), adults and children 4+. Ranks compare the foods of the same category on this site. How we calculate.
Last updated . Values are averages for the food as described; brands, varieties and cooking change them. Not medical advice.