
Mushrooms are a versatile ingredient used in a variety of dishes. They are also a nutritious food, providing a natural source of key vitamins and minerals. But are they low in carbohydrates? This is an important question for those on a ketogenic diet, which restricts carbohydrates to 50 grams or less per day. Mushrooms are, in fact, low in carbohydrates, with most varieties containing just 2-4 grams of carbs per 100 grams. This makes them a safe and healthy option for those on a keto diet.
| Characteristics | Values |
|---|---|
| Carbohydrate content | Naturally low in carbohydrates |
| Carbohydrate count | 2-4 grams of carbs per 100 grams |
| Nutritional profile | Rich in anti-inflammatory components, antioxidants, potassium, B vitamins, selenium, copper, and fiber |
| Health benefits | Help fight inflammation-related diseases, prevent diseases like Alzheimer’s, cancer and heart disease, regulate blood pressure, and decrease the risk of hypertension and cardiovascular disease |
| Keto-friendliness | Keto-friendly, can be enjoyed raw or cooked |
| Canned mushroom products | Generally higher in carbs |
| Calories | Low in calories |
| Fat content | Low in fat |
| Protein content | Contain some protein, but not a sufficient source for those looking to remove animal products from their diet |
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What You'll Learn
- Common mushrooms like white button, shiitake, oyster, and portobello are low-carb
- Mushrooms are keto-friendly and can be eaten raw or cooked
- Canned mushroom products are generally higher in carbs
- Mushrooms are a good source of fibre, vitamins, minerals, and protein
- They are also low in sodium, cholesterol, and fat

Common mushrooms like white button, shiitake, oyster, and portobello are low-carb
White button mushrooms, the most used mushrooms worldwide, have a low carb count, making them perfect for keto. A 1-cup (96-gram) serving of raw, whole white button mushrooms contributes 3 grams of carbs to your day. Similarly, a cup of raw oyster and shiitake mushrooms contains around 6 and 7 grams of carbs, respectively. Portobello mushrooms contain around 3 grams of carbs in a 1-cup (86-gram) serving.
Mushrooms are nutrient-dense and low in calories, providing a good source of fibre, vitamins, minerals, and protein. They are also rich in anti-inflammatory components and several antioxidant components, which may help prevent diseases like Alzheimer’s, cancer, and heart disease.
The versatility of mushrooms means they can be enjoyed both raw and cooked, in dishes like stir-fries, casseroles, scrambles, soups, or stuffed with low-carb ingredients like cream cheese and bacon. They can be a great way to add flavour to keto meals, helping to reduce the need for carb-heavy sauces or additives.
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Mushrooms are keto-friendly and can be eaten raw or cooked
Mushrooms are not just low in carbs, but they also offer other nutritional benefits. They are a good source of fibre, which can be difficult to come by on a keto diet as it is typically found in carb-rich foods. Additionally, mushrooms provide B vitamins, selenium, copper, potassium, and antioxidants such as ergothioneine and glutathione, which can help protect cells from oxidative damage.
When incorporating mushrooms into a keto diet, they can be enjoyed in a variety of ways. They can be eaten raw or cooked, and used in dishes like stir-fries, casseroles, scrambles, soups, or stuffed with other keto-friendly ingredients like cream cheese, butter, or bacon. Mushrooms are also a versatile ingredient that can be used to enhance the flavour of keto meals. They absorb flavours and fats well, making them a good match for keto-friendly oils such as olive oil, butter, or avocado oil.
While mushrooms are generally keto-friendly, it is important to note that canned mushroom products, such as cream of mushroom soup, can be higher in carbs, so it is recommended to check the nutrition labels on these products. Overall, mushrooms are a nutritious and low-carb food that can be a tasty and healthy addition to a keto diet.
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Canned mushroom products are generally higher in carbs
Mushrooms are generally low in carbohydrates and are considered keto-friendly. Common types of mushrooms, like white button, shiitake, oyster, and portobello, are low in carbohydrates and keto-friendly in their natural form. For example, a 1-cup (96-gram) serving of raw, whole white button mushrooms contributes 3 grams of carbs to your day. A cup of raw oyster and shiitake mushrooms contains around 6 and 7 grams of carbs, respectively. Not only are mushrooms low in carbs, but they are also a good source of fibre, vitamins, and minerals.
However, canned mushroom products, such as cream of mushroom soup, tend to be higher in carbohydrates. For instance, a 1/2-cup (120-mL) serving of Campbell's Cream of Mushroom prepared soup contains 8 grams of carbs, and there are 2.5 servings per can, contributing a total of 20 grams of carbs. Therefore, it is recommended to check the nutrition labels on canned mushroom products, as these items might not fit within a keto diet.
While mushrooms are generally low in carbs, it is important to note that their carbohydrate content can vary depending on the type of mushroom and the method of preparation. For example, cooked mushrooms may have a higher carb content due to the loss of water during the cooking process.
Overall, mushrooms are a nutritious and versatile food that can be enjoyed in various dishes, such as stir-fries, casseroles, scrambles, and soups, making them a suitable ingredient for those following a keto diet or simply looking to include more variety in their meals.
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Mushrooms are a good source of fibre, vitamins, minerals, and protein
Mushrooms are a rich source of dietary fibre, which can be tough to come by on a keto diet since it is typically found in carb-rich foods. Fibre is important for maintaining a healthy digestive system and can be beneficial in preventing cardiovascular disease and other metabolic diseases.
Mushrooms contain high-quality protein that is comparable to animal sources such as milk, eggs, and meat. They have a complete essential amino acid profile, making them a good alternative to animal proteins, which are generally more expensive and have a greater environmental impact. Edible mushrooms, such as Agaricus and Pleurotus species, are particularly good sources of protein.
Mushrooms also contain a variety of vitamins, including B vitamins like thiamine, riboflavin, B6, and B12, as well as vitamin D and antioxidants like choline and ergothioneine. B vitamins help the body produce energy and form red blood cells, while vitamin D is important for bone and immune health. Choline assists with muscle movement, learning, and memory, and antioxidants help protect the body's cells from damage.
In addition, mushrooms contain minerals like selenium, copper, potassium, and zinc. These minerals have a range of health benefits, including reducing blood pressure and supporting the immune system. Overall, mushrooms are a nutritious food that can provide many health benefits.
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They are also low in sodium, cholesterol, and fat
Mushrooms are not only low in carbohydrates but also in sodium, cholesterol, and fat. They are a keto-friendly food and can be enjoyed raw or cooked in dishes like stir-fries, casseroles, soups, or stuffed with other low-carb ingredients. A 1-cup (96-gram) serving of raw, whole white button mushrooms contains only 3 grams of carbohydrates. Other common types of mushrooms, such as oyster, shiitake, and portobello, also fall in the low-carb category.
Mushrooms are naturally low in sodium, with a mere 4 mg of sodium per 100g serving. They are a flavourful and healthy alternative to traditional high-sodium ingredients. By incorporating low-sodium mushrooms into your meals, you can reduce your sodium intake, contributing to better heart health and lowering the risk of high blood pressure. For example, substituting 1 cup of grilled portabella mushrooms for sausage in pasta can save you 632 mg of sodium.
Mushrooms are also being studied for their potential to lower cholesterol levels. Research suggests a possible relationship between a compound in mushrooms called eritadenine and lower cholesterol values. Shiitake mushrooms, in particular, are known to be high in eritadenine. However, it is still unclear if other mushroom varieties contain this beneficial compound, and research is ongoing.
In addition, mushrooms are a great replacement for meat as they are low in fat. They have a strong umami flavour, which is usually found in meat, fish, and dairy products. This makes mushrooms an excellent way to add savoury flavour to dishes while keeping the fat content low.
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Frequently asked questions
Yes, mushrooms are keto-friendly and are a great way to add more nutrition and fibre to a keto diet. They are also low in calories, sodium, cholesterol, and fat.
All types of mushrooms are allowed on a keto diet, but some have a slightly lower carb count than others, such as white or button mushrooms.
Mushrooms are versatile and can be used in countless recipes, from creamy soups and stir-fries to stuffed appetisers. Here are some specific examples:
- Slow-cooker mushroom soup
- Crab-stuffed mushrooms
- Portobello mushroom caps stuffed with tomatoes, fresh mozzarella and basil
- Simple sauteed mushrooms with red wine and mushroom sauce, served with steak

























