Are Mushrooms keto?
Keto-friendly 1.6 g net carbs per one cup sliced (70 g) — 8% of a 20 g keto day.
Short answer: Yes. One cup sliced (70 g) of mushrooms: 1.6 g net carbs — 8% of a strict 20 g keto day — with 0.2 g fat and 2.2 g protein.
Log mushrooms in KetoraFree. Weigh it once and Ketora remembers your portion.
Mushrooms are very low in carbs and soak up butter well, which makes them useful for meeting fat targets in a natural way.
How mushrooms fits a keto carb budget
On a 20 g day you could eat about 12.5 servings before reaching the limit — in practice mushrooms will never be what pushes you over.
Worked example. 70 g of mushrooms = 2.3 g total carbs − 0.7 g fibre = 1.6 g net carbs, 0.2 g fat, 2.2 g protein and 15 kcal.
Buying a packaged or flavoured mushrooms product? Run its label through the net carb calculator — added sugars change the picture quickly.
Nutrition facts
| Nutrient | Per 100 g | Per one cup sliced (70 g) |
|---|---|---|
| Calories | 22 kcal | 15 kcal |
| Fat | 0.3 g | 0.2 g |
| Protein | 3.1 g | 2.2 g |
| Total carbohydrate | 3.3 g | 2.3 g |
| Fibre | 1 g | 0.7 g |
| Net carbs | 2.3 g | 1.6 g |
Where the energy comes from:
How to eat mushrooms on keto
- Cook in a dry pan first, then add butter once the water has evaporated.
Keto recipes with mushrooms
- Keto Egg Muffins with Spinach and Cheddar
- Creamy Mushroom Chicken Thighs
- Fathead Keto Pizza
- Keto Beef Chili (No Beans)
Compared with other vegetables
Mushrooms ranks #9 of 26 vegetables in our database by net carbs per 100 g (lowest first). Most non-starchy vegetables fit easily; roots and tubers are where carbs climb.
| Food | Net carbs / 100 g | Per serving |
|---|---|---|
| Kale | 0.3 g | 0.1 g |
| Lettuce (romaine) | 1.2 g | 1.1 g |
| Spinach | 1.4 g | 0.8 g |
| Celery | 1.4 g | 1.1 g |
| Pickles (dill) | 1.4 g | 0.9 g |
| Asparagus | 1.8 g | 1.7 g |
See all vegetables ranked by net carbs →
Frequently asked questions
How many net carbs are in mushrooms?
Mushrooms has about 2.3 g of net carbs per 100 g (3.3 g total carbohydrate minus 1 g fibre), and about 1.6 g per one cup sliced (70 g).
Can you eat mushrooms on keto?
Yes. A typical serving uses 8% of a strict 20 g net-carb day.
Values are per 100 g of the raw or stated food, rounded, from USDA FoodData Central. Brands and varieties differ — check the label for packaged products.