
Mushrooms are a great source of nutrition, packed with vitamins, minerals, antioxidants, and protein. Although they are classified as vegetables, they are technically a type of fungi. They are low in calories, fat, sodium, and cholesterol. While mushrooms are a good source of protein, they are not the best plant-based source. This means that eating mushrooms alone will not meet your daily protein requirements. However, mushrooms are a great meat substitute, as they are safer than meat proteins, with little to no risk of diseases. They are also more satiating than meat, with a similar texture and protein content to vital wheat gluten.
| Characteristics | Values |
|---|---|
| Protein content | 1-2% of daily value (DV) for protein per 100 grams (3.5 ounces) |
| Comparison to meat | Duck, the meat with the lowest protein per 100 grams, has 18 times more protein than the same weight of mushrooms with the most protein |
| Comparison to vegetables | Lima beans, green peas, spinach, asparagus, and artichokes have higher protein content |
| Recommended intake | To meet a recommended intake of 50 grams of protein, one would need to consume 1700 grams of fresh mushrooms or 167 grams of dried mushroom powder |
| Dried mushrooms | Dried mushrooms have more protein than fresh mushrooms and can rival animal-based sources |
| Health benefits | Safer than meat proteins with little to no risk of diseases; high protein quality with complete essential amino acids and excellent digestibility |
| Environmental impact | Plant-based proteins have a lower environmental impact than animal proteins |
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What You'll Learn
- Mushrooms are not a good source of protein compared to other vegetables
- You would need to eat a lot of mushrooms to meet your daily protein intake
- Dried mushrooms contain more protein than fresh mushrooms
- Mushrooms are a good meat substitute when combined with wheat gluten or soy products
- Mushrooms are a complete protein source with all nine essential amino acids

Mushrooms are not a good source of protein compared to other vegetables
While mushrooms are a good source of many vitamins, minerals, and antioxidants, they are not a good source of protein compared to other vegetables. Although mushrooms are classified as vegetables, they are technically part of the fungi kingdom and are not plants.
According to the USDA, mushrooms only provide 1 to 2 percent of the daily value (DV) for protein per 100 grams, which is about 3.5 ounces. This amounts to 2.9 grams of protein per 100 grams of fresh mushrooms. In comparison, other vegetables like lima beans, green peas, spinach, asparagus, and artichokes offer higher protein content. For example, lima beans provide 11.6 grams or 26 percent DV of protein per cup.
To meet the recommended daily protein intake of 50 grams, one would need to consume an excessive amount of fresh mushrooms, approximately 1700 grams or 18 cups. This is not practical and could lead to overconsumption of certain nutrients. Therefore, it is advisable to include other sources of protein in your diet rather than relying solely on mushrooms.
However, it is worth noting that dried mushrooms have a higher protein content than fresh mushrooms, and combining mushrooms with plant-based sources like vital wheat gluten or soy products can create a protein-rich and nutritious meal. Additionally, mushrooms have high-quality proteins with a complete essential amino acid profile and excellent digestibility, making them a valuable contribution to a well-rounded diet.
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You would need to eat a lot of mushrooms to meet your daily protein intake
Mushrooms are a good source of protein, but you would need to eat a lot of them to meet your daily protein intake. While they are a tasty and nutritious food, they are not the best source of protein when compared to other vegetables and legumes.
According to the USDA, mushrooms contain only 1 to 2 percent of the daily value (DV) for protein per 100 grams (3.5 ounces). This equates to 2.9 grams of protein per 100 grams of fresh mushrooms. In comparison, lima beans contain 11.6 grams of protein per cup, and other legumes and beans, such as kidney beans, chickpeas, and lentils, also have higher protein content than mushrooms.
To meet the recommended daily intake of protein with mushrooms alone, you would need to consume a large portion. For example, if your recommended intake is 50 grams of protein, you would need to eat at least 1700 grams of fresh mushrooms or 167 grams of dried mushroom powder. This is because fresh mushrooms have a lower protein content than animal-based foods and even other vegetables.
While it is possible to get your daily protein intake from mushrooms, it is not realistic to rely on them as your sole source of protein. It is important to incorporate other sources of protein into your diet to ensure a balanced approach.
However, mushrooms do have some advantages over animal-based proteins. They are safer, with little to no risk of disease, and they meet dietary requirements for recommended dietary allowance (RDA) and protein efficiency ratio (PER). Additionally, mushroom proteins are of high quality, containing all the essential amino acids and are easily digestible. They are also low in calories, have virtually no fat or cholesterol, and are very low in sodium.
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Dried mushrooms contain more protein than fresh mushrooms
Mushrooms are a source of antioxidants, vitamins, and minerals, and are low in calories. They are also a valuable source of protein for both food and medicine. Although mushrooms are classified as vegetables, they are technically not plants but part of the kingdom called fungi.
Some edible mushrooms can provide protein values that are higher than or comparable to animal sources such as milk, eggs, meat, and fish, as well as the highest plant-based protein sources. For example, 100 g of lentils contain 9 g of protein, while mushrooms contain 1 to 2 grams of protein per 100 grams.
Oyster mushrooms contain the highest fresh and dried protein content compared to other functional mushrooms. To prepare dried mushrooms, leave them in water for several hours until they are soft.
While mushrooms are a good source of protein, it would take a large quantity to meet the recommended daily intake of protein. For example, if your recommended protein intake is 50 g, you would need to eat at least 1,700 g of fresh mushrooms or 167 g of dried mushroom powder. Therefore, it is best to incorporate other sources of protein into your diet rather than relying on mushrooms alone.
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Mushrooms are a good meat substitute when combined with wheat gluten or soy products
Mushrooms are a good source of protein, but they are not the best option when it comes to plant-based sources of protein. Mushrooms contain only 1 to 2 percent of the daily value (DV) of protein per 100 grams. This is significantly lower than protein-rich vegetables like lima beans, green peas, spinach, asparagus, and artichokes. For instance, lima beans contain 11.6 grams or 26% DV of protein per cup.
However, when combined with wheat gluten or soy products, mushrooms can become a good meat substitute. Wheat gluten, also known as seitan, is a common substitute for chicken products and has a meaty texture that takes on flavors well. A typical serving of 1/4 cup contains 21 grams of protein. On the other hand, soybeans and soybean products like tofu and tempeh are also good sources of protein and can be combined with mushrooms. Tofu is a condensed soy milk product, while tempeh is a fungi-fermented soybean cake, both of which are tasty and nutritional alternatives to meat.
Mushrooms have a natural umami flavor and hearty texture, making them a versatile and nutritious substitute for meat. They can be used in a variety of dishes, from burgers to stir-fries, and are perfect for those looking to reduce their meat consumption without sacrificing taste. Oyster mushrooms, for example, have a robust texture that makes them an excellent vegan stand-in for traditional taco fillings. Shiitake, portobello, and king oyster mushrooms are also known for their meaty taste and texture, with shiitake mushrooms offering a smoky flavor and portobellos providing a beef-like richness.
Additionally, mycoprotein, or protein derived from mushroom mycelium, is another way to incorporate mushrooms as a meat substitute. Mycelium is a "super ingredient" with a high nutritional profile, containing all nine essential amino acids and making it a complete source of protein. For instance, MyForest Foods offers a mycoprotein product called MyBacon, which has nearly the same amount of protein as pork and is safe for most people with allergies.
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Mushrooms are a complete protein source with all nine essential amino acids
Mushrooms are a good source of protein, but they are not the best vegetable source of protein. While they are low in calories, fat, cholesterol, and sodium, they only contain 1 to 2 grams of protein per cup, or 1 to 2 percent of your daily value per 100 grams. This is less than protein-rich vegetables like lima beans, green peas, spinach, asparagus, and artichokes.
However, mushrooms are a complete protein source, meaning they contain all nine essential amino acids that the human body requires for nutrition. The quality of a protein is measured by its bioavailability, or the extent and rate at which nutrients are absorbed, digested, and used by the body. Mushroom proteins are high-quality and have a high bioavailability, making them an excellent source of protein for those who cannot or choose not to consume animal products.
In addition to being a good source of protein, mushrooms also contain various vitamins and minerals, including B vitamins such as riboflavin, niacin, thiamine, B6, and B12. They are also a source of antioxidants and are the only vegan, non-fortified dietary source of vitamin D. The choline in mushrooms has also been linked to improved muscle movement, learning, and memory.
While mushrooms are a healthy and nutritious food, it would be challenging to meet the recommended daily intake of protein with mushrooms alone. For example, if your recommended intake is 50 grams, you would need to consume at least 1700 grams of fresh mushrooms or 167 grams of dried mushroom powder. Therefore, it is ideal to incorporate other sources of protein into your diet rather than relying on mushrooms alone.
To increase your protein intake from mushrooms, you can combine them with vital wheat gluten or soy products to create a plant-based meal that is rich in protein and other essential nutrients. Additionally, dried mushrooms contain more protein than fresh mushrooms, so using dried mushroom powder is another way to boost your protein intake.
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Frequently asked questions
Mushrooms are a source of plant protein, but not a good source. While they contain all nine essential amino acids, the amount of protein in mushrooms is quite low compared to animal-based proteins. For example, 100 grams of chicken breast contains 32.1 grams of protein, while 100 grams of fresh mushrooms contain an average of 2.9 grams.
The amount of protein in mushrooms varies depending on the variety, with some containing as little as 1.4 grams of protein per cup, and others containing up to 2.8 grams. On average, three ounces of raw mushrooms (about 1 cup) will provide 1 to 2 grams of protein.
Yes, mushrooms are extremely nutritious and offer a wide range of health benefits. They are low in calories, fat, cholesterol, and sodium, and are a good source of vitamins, minerals, and antioxidants. Mushrooms have also been associated with anti-inflammatory, antioxidant, antimicrobial, anticancer, and gut health properties.

























