🥦 Vegetablesveganvegetariangluten free
🍄 Calories in Mushrooms
The only plant food with vitamin D — and just 22 calories per 100g
Per 100g
22kcal
3.1g
Protein
3.3g
Carbs
0.3g
Fat
Calculate Your Serving
Full Nutrition Facts — Per 100g
| Nutrient | Per 100g | Per 1 cup sliced mushrooms (70g) |
|---|---|---|
| Calories | 22kcal | 15kcal |
| Protein | 3.1g | 2.2g |
| Total Carbs | 3.3g | 2.3g |
| — of which Sugar | 2g | 1.4g |
| Total Fat | 0.3g | 0.2g |
| Dietary Fibre | 1g | 0.7g |
| Sodium | 5mg | 4mg |
Macro Breakdown
Protein3.1g (12.4 kcal)
Carbohydrates3.3g (13.2 kcal)
Fat0.3g (2.6999999999999997 kcal)
All values per 100g. Protein & carbs = 4 kcal/g · Fat = 9 kcal/g
Key Vitamins & Minerals
Iron0.5mg
4% of daily reference intake
Vitamin D0.2mcg
1% of daily reference intake
Potassium318mg
9% of daily reference intake
✅ Key Nutrition Facts
- •One of the only plant foods with vitamin D
- •Only 22 calories per 100g — essentially free calories
- •High in ergothioneine — a powerful antioxidant unique to mushrooms
- •Rich in beta-glucans — linked to immune system support
Calories by Serving Size
| Serving | Grams | Calories | Protein |
|---|---|---|---|
| 100g raw | 100g | 22 kcal | 3.1g |
| 1 cup sliced (70g) | 70g | 15 kcal | 2.2g |
| 4 large mushrooms (80g) | 80g | 18 kcal | 2.5g |
Frequently Asked Questions
How many calories in mushrooms?+
Button mushrooms contain approximately 22 calories per 100g — making them one of the lowest calorie foods. A cup of sliced mushrooms (70g) is just 15 calories. You can eat a huge volume of mushrooms for very few calories.
Do mushrooms contain vitamin D?+
Yes — mushrooms are unique among plant foods in containing vitamin D. Exposure to UV light (sunlight) dramatically increases their vitamin D content. Some commercially grown UV-exposed mushrooms can provide your full daily vitamin D needs in one serving.
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Data source: USDA FoodData Central & peer-reviewed nutritional references. Values are averages — actual nutrient content varies by brand, preparation method, and growing conditions. Not medical advice.