Mushroom Nutrition Facts
A 100 g serving of mushroom contains 21 kcal, 3.1g protein (lime), 0.3g fat (pink) and 3.3g carbohydrate (blue). It has modest fiber and 2.0g sugar. Its other nutrient values are modest — see the full breakdown below.
Core Nutrients per 100 g
PER 100 G SERVINGThe six values MacroDrop shows on every meal card: energy, the three macros, fiber and sugars.
Extended Nutrients
PER 100 G SERVINGGrouped as in the app: lipids, minerals, vitamins and other compounds sit one level below the core six. Daily values follow the FDA 2,000 kcal reference.
How Cooking Changes The Numbers
Per 100 g, from each preparation's own USDA data.
| Preparation | Kcal | Protein | Fat | Carbs | Note |
|---|---|---|---|---|---|
| Raw | 21 | 3.1 g | 0.3 g | 3.3 g | Reference entry |
| With salt | 29 | 2.1 g | 0.4 g | 5.3 g | Cooked, boiled, drained, with salt |
| Without salt | 29 | 2.1 g | 0.4 g | 5.3 g | Cooked, boiled, drained, without salt |
Understanding Mushroom Nutrition
Mushroom is a low-calorie vegetable that delivers fiber, vitamins and minerals for very few calories. At 21 kcal per 100 g serving, it provides 3.1g of protein, 3.3g of carbohydrate and 0.3g of fat. It has modest fiber and 2.0g sugar.
For athletes and anyone tracking macros, mushroom is an efficient source of protein, delivering 14.0g of protein per 100 kcal. Its fiber and micronutrient content makes it a useful addition to a balanced macro split without pulling calories too high.
Frequently Asked Questions
How many calories are in a 100 g serving of mushroom?
A 100 g serving of mushroom has 21 kcal, 3.1g protein, 0.3g fat and 3.3g carbohydrate.
How much protein is in mushroom?
3.1g per 100 g serving.
Is mushroom high in sugar or fiber?
It has modest fiber and 2.0g sugar — 1.0g fiber and 2.0g sugar per 100 g serving.
Which nutrients is mushroom richest in?
No single micronutrient stands out sharply — see the full breakdown below.
Is mushroom good for tracking macros?
For athletes and anyone tracking macros, mushroom is an efficient source of protein, delivering 14.0g of protein per 100 kcal.
Does cooking mushroom change its nutrients?
Cooked mushroom runs about 27% higher in calories per equivalent serving compared to the raw reference — see the cooking table above for specific preparations.
Log the mushroom in two seconds
MacroDrop tracks all of these nutrients — core and extended — from a photo, your voice or a barcode. Offline USDA database, 7,800 foods.
Values come from the USDA FoodData Central entry Mushrooms, white, raw (FDC ID 169251), per 100 g. Daily values follow the FDA 2,000 kcal reference. Last reviewed August 2026.