
Mushrooms are a nutrient-dense food that offers a wide range of health benefits. They are a good source of potassium, protein, vitamins, minerals, and antioxidants. While the sodium content of mushrooms is typically low, ranging from 100 to 400 ppm in fresh mushrooms, canned mushrooms can have significantly higher sodium levels due to the salty brine used in the canning process. This variation in sodium levels across different preparation methods is an important consideration for individuals monitoring their sodium intake. Mushrooms are also known for their potential health benefits, including improved heart health, reduced cholesterol levels, and possible protection against certain types of cancer. With their savory flavor and nutritional profile, mushrooms make a versatile and valuable addition to a healthy diet.
| Characteristics | Values |
|---|---|
| Sodium content | A cup of white button mushrooms contains 5mg of sodium. The average sodium content of different mushroom species varies between 100 and 400 ppm. Canned mushrooms have significantly higher sodium content due to additives. |
| Nutritional value | Mushrooms are a good source of potassium, copper, iron, protein, vitamins (including B vitamins, vitamin D, and vitamin C), minerals, and antioxidants. |
| Health benefits | Mushrooms can help to lower blood pressure and cholesterol, improve immune function, and protect against conditions such as cancer, diabetes, and heart disease. |
| Preparation | Mushrooms can be grilled, baked, broiled, sautéed, or roasted. They can be used in sauces, stews, soups, salads, or as a side dish. |
| Storage | Fresh mushrooms should be stored in the refrigerator in an open container for up to five days without washing until just before use. |
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What You'll Learn
- Fresh vs. canned mushrooms: Canned mushrooms are higher in sodium due to the brine used
- Nutritional benefits: Mushrooms are low in sodium and high in potassium, vitamins, and minerals
- Health benefits: Mushrooms help lower blood pressure and cholesterol, and may prevent cancer
- Vitamin D: Mushrooms are a unique source of vitamin D, especially when exposed to UV light
- Selenium: Selenium in mushrooms helps prevent cell damage and may have other health benefits

Fresh vs. canned mushrooms: Canned mushrooms are higher in sodium due to the brine used
Mushrooms are a nutritious food with many health benefits. They are a good source of vitamin D, B vitamins, copper, potassium, iron, and antioxidants. They are naturally low in sodium, with a cup of white button mushrooms containing only 5 milligrams of sodium. However, there is a difference in sodium content between fresh and canned mushrooms.
Fresh mushrooms are available year-round, with their peak season in North America falling between April and June. They can be stored in the refrigerator for up to five days and should not be washed until just before use. Fresh mushrooms are a low-calorie food, with a cup of raw mushrooms containing only 15 calories. They are also a good source of protein, with 2.2 grams per cup.
Canned mushrooms, on the other hand, are often higher in calories and sodium due to additives and preservatives used to extend their shelf life. A half-cup of canned mushrooms can contain up to 561 milligrams of sodium, which is a significant amount considering the recommended daily intake of 2,300 milligrams. Therefore, if you are watching your sodium intake, it is advisable to rinse canned mushrooms before use. Canned mushrooms have a longer shelf life than fresh mushrooms and can be found in stores throughout the year.
In terms of nutrition, fresh mushrooms offer a slight advantage over canned mushrooms. Fresh mushrooms have fewer calories, lower sodium, lower carbohydrates, and lower sugar content. They also contain more protein, making them a better option for those looking to increase their protein intake. However, canned mushrooms are still a nutritious option and provide similar health benefits to fresh mushrooms, including a good source of vitamins, minerals, and antioxidants.
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Nutritional benefits: Mushrooms are low in sodium and high in potassium, vitamins, and minerals
Mushrooms are naturally low in sodium, with just five milligrams of sodium in a cup of white button mushrooms. They are also a good source of potassium, which is known to reduce the negative impact of sodium on the body. Potassium also helps to lower tension in blood vessels, helping to reduce blood pressure.
Mushrooms are a low-calorie food, with one cup of raw mushrooms containing just 15 calories. They are also a good source of protein, with 2.2g of protein per cup. Mushrooms are nutrient-dense, containing vitamins, minerals, and antioxidants. They are the only produce that is a source of vitamin D, which is important for bone and immune health. Mushrooms exposed to UV light or sunlight can increase their vitamin D content. Maitake mushrooms are a good natural source of vitamin D, while cremini mushrooms are an excellent source of zinc, another important nutrient for the immune system.
Mushrooms also contain vitamin B6, which helps the body form red blood cells, proteins, and DNA. Shiitake mushrooms are a good choice for vitamin B6. They also contain vitamin B12, thiamine, and riboflavin. Mushrooms are a good source of folate, which is especially beneficial during pregnancy. They also contain copper, iron, and potassium.
Lion's mane mushrooms, in particular, are a good candidate for brain health. They contain compounds that stimulate the growth of brain cells and have been shown to improve memory in pre-clinical trials. Mushrooms also contain polysaccharides, their most abundant carbohydrate, which stimulates the growth of healthy bacteria in the gut.
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Health benefits: Mushrooms help lower blood pressure and cholesterol, and may prevent cancer
Mushrooms are naturally low in sodium—a cup of white button mushrooms contains only five milligrams of sodium. They are a good substitute for red meat, as they are low in calories, fat, and cholesterol.
Research has shown that shiitake mushrooms, in particular, help to keep cholesterol levels low. They contain compounds that inhibit the production of cholesterol, block cholesterol absorption, and lower overall cholesterol in the blood. Oyster mushrooms have also been shown to have cholesterol-lowering properties. A study found that consuming 30g of dried oyster mushrooms daily for 21 days significantly lowered triacylglycerol concentrations and oxidized low-density lipoprotein levels, with a tendency to lower total cholesterol values.
Mushrooms are also a source of vitamin D, which is important for maintaining and building strong bones. They are the only produce that provides this nutrient. Vitamin D also assists with cell growth, boosts immune function, and reduces inflammation. Consuming mushrooms may also stimulate the growth of healthy bacteria in the gut and provide vitamin B6, which helps the body form red blood cells, proteins, and DNA.
While more research is needed, there is some evidence to suggest that mushrooms may help lower the risk of cancer. A study by Pennsylvania State University found that consuming two mushrooms daily reduced the risk of cancer by 45% compared to non-mushroom eaters. However, it is unclear if this applies to all types of cancers, and more research is needed to confirm these effects.
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Vitamin D: Mushrooms are a unique source of vitamin D, especially when exposed to UV light
Mushrooms are naturally low in sodium, with just five milligrams of sodium in a cup of white button mushrooms. They are also a unique source of vitamin D, particularly vitamin D2, with smaller amounts of vitamins D3 and D4. Vitamin D is essential for maintaining healthy bones, as it helps the body absorb calcium. Mushrooms exposed to UV light or sunlight can increase their vitamin D content. This is because UV radiation triggers the production of vitamin D2 in mushrooms.
White button mushrooms, for example, contain negligible amounts of vitamin D2 when grown in the dark. However, when exposed to UV radiation, they become an abundant source of this nutrient. The same is true for wild edible Finnish funnel chanterelle mushrooms, which have been found to provide 3-30 μg D2/100 g fresh weight when sampled in late summer and early autumn. In contrast, button mushrooms purchased from retail outlets contain less than 1 μg D2/100 g FW.
Mushroom producers have recognised the potential of UV-exposed mushrooms as a source of vitamin D and have begun exposing their products to UV radiation. The ideal conditions for generating vitamin D2 from button mushroom powder were found to be using a UV-B lamp with an irradiance of 1.36 W/m2 for 10 minutes at a temperature of 26 °C, producing 740 μg D2/g powder.
Vitamin D deficiency is widespread, and obtaining vitamin D from sunlight, foods, or supplements is crucial for maintaining a healthy lifestyle. Mushrooms are the only type of produce that is a source of vitamin D and can be especially beneficial for vegans and vegetarians who do not consume animal-derived sources of vitamin D. To get the recommended daily amount of vitamin D, slice three mushrooms (or one portabella), expose them to sunlight for at least 15 minutes, and consume.
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Selenium: Selenium in mushrooms helps prevent cell damage and may have other health benefits
Mushrooms are naturally low in sodium, with only five milligrams of sodium in a cup of white button mushrooms. They are also a good source of selenium, an essential micronutrient that offers various health benefits.
Selenium helps the body produce antioxidant enzymes, which prevent cell damage and repair DNA. It also plays a role in thyroid function, reproduction, cognition, muscle repair, and immune health. Selenium-enriched mushrooms are a significant source of selenium in the diet, and mushrooms can transform inorganic selenium into organic selenium metabolites, such as selenium-polysaccharides and selenium-proteins.
Mushrooms are also a good source of vitamin D, which is important for calcium absorption and maintaining strong bones. They are the only produce that contains vitamin D, and their vitamin D content increases with exposure to UV light or sunlight. In addition, mushrooms contain vitamin B6, which helps the body form red blood cells, and other B vitamins, including thiamine, riboflavin, and B12.
Research also suggests that mushrooms may help protect against certain health conditions, including Alzheimer's, heart disease, cancer, and diabetes. They are a low-calorie food that provides the body with several nutrients, including copper, potassium, iron, and antioxidants, which can help fight inflammation and lower cholesterol levels.
When buying mushrooms, look for fresh, firm, dry, and unbruised mushrooms. They can be stored in the refrigerator and cooked in various ways, such as grilling, baking, or sautéing.
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Frequently asked questions
Mushrooms have a low level of sodium. A cup of white button mushrooms has just 5 milligrams of sodium.
Mushrooms are a rich source of potassium, which is known for reducing the negative impact that sodium can have on your body. They also have anti-inflammatory properties, which improve the efficiency of the immune system. They are also a good source of folate during pregnancy.
Mushrooms contain vitamins B, D, and K, as well as minerals like copper, potassium, and iron. They also contain high amounts of selenium, which can help prevent cell damage.
Cremini, portabella, and white button mushrooms provide the most vitamin D after exposure to UV light or sunlight. Lion's mane mushrooms are also good for brain health, as they contain compounds that stimulate the growth of brain cells.
Mushrooms can be cooked in a variety of ways, including grilling, baking, broiling, sautéing, and roasting. They can be added to sauces, stews, soups, or simply chopped and added to grain, potato, or egg dishes.

























