
Reishi mushrooms, also known as Ganoderma lucidum or lingzhi, are believed to have several health benefits. They are commonly used in Eastern medicine and may help boost the immune system, reduce stress, improve sleep, and promote overall wellness. However, it's important to note that the safety of reishi mushrooms has been questioned, and they may cause side effects such as dizziness, dry mouth, itching, nausea, stomach upset, and rash. They can also potentially interact with certain medications. As such, it is recommended to consult a healthcare professional before taking reishi mushroom supplements to ensure they are safe for you and to determine the appropriate dosage. This paragraph introduces the topic of taking reishi mushroom extract, including its potential benefits, safety concerns, and recommended dosage.
How to Better Take Reishi Mushroom Extract
| Characteristics | Values |
|---|---|
| Dosage | There is no standard dose. The recommended dosage varies between 1.5 to 9 g per day. |
| Forms | Reishi mushroom extract is available in the form of capsules, powder, and liquid. |
| Benefits | Boosting the immune system, reducing stress, improving sleep, promoting overall wellness, and improving cardiovascular health. |
| Side Effects | Dry mouth, dizziness, itching, nausea, stomach upset, rash, and allergic reactions. |
| Precautions | People taking anticoagulants, immunosuppressants, or diabetes medications should avoid Reishi. Pregnant or breastfeeding women should also avoid it. |
| Optimal Results | Consistent use over time maximizes health benefits. |
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What You'll Learn
- Reishi mushroom extract dosage varies depending on the type used
- Reishi mushrooms may have health benefits, but they can also cause side effects
- Reishi mushrooms may boost the immune system and decrease inflammation
- Reishi mushroom supplements may improve sleep and reduce stress
- Reishi mushrooms may be unsafe for certain people and those taking medication

Reishi mushroom extract dosage varies depending on the type used
Reishi mushrooms, also known as Ganoderma lucidum or lingzhi, are a fungus that grows in hot and humid locations in Asia. They have been used in Eastern medicine for their various potential health benefits, including boosting the immune system and decreasing inflammation. However, their safety has recently been questioned, and they may cause digestive side effects in certain individuals.
Reishi mushroom extract is considered possibly safe when taken by mouth for up to one year. Powdered whole reishi mushroom, on the other hand, is likely safe when used for up to 16 weeks. It is important to note that reishi mushrooms can cause side effects such as dizziness, dry mouth, itching, nausea, stomach upset, and rash. High doses may also increase the risk of bleeding in individuals with bleeding disorders or if taken before or during surgery.
Pregnant or breastfeeding women should avoid taking reishi mushrooms due to a lack of sufficient safety information. Individuals taking certain medications, such as anticoagulants, immunosuppressants, or diabetes medications, should also exercise caution and consult a healthcare professional before taking reishi mushroom supplements to determine the appropriate dosage and potential interactions.
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Reishi mushrooms may have health benefits, but they can also cause side effects
Reishi mushrooms, also known as Ganoderma lucidum and lingzhi, are a fungus that grows in various hot and humid locations in Asia. They have been used in Eastern medicine for a long time and are known to have a variety of health benefits. However, despite their popularity, their safety has recently been questioned.
Reishi mushrooms are thought to boost the immune system and may also have anti-cancer properties. Studies show that they may increase the number of white blood cells in the body and improve their function. They contain beta-glucans, complex sugars that can slow or stop tumor growth. Some forms of reishi may also alter inflammation pathways in white blood cells, which could be beneficial for certain types of cancer. In addition, reishi mushrooms may help manage the function of T lymphocyte cells (T cells), which play a crucial role in fighting infections and cancer.
Reishi mushrooms may also have benefits for mental health. According to a 2024 review, one study found that the polysaccharides in reishi mushrooms may help decrease fatigue after exercising. Another 2024 study found that taking reishi mushroom products helped reduce fatigue, anxiety, and depression in people with cancer.
Despite these potential benefits, reishi mushrooms can also cause side effects and may be unsafe for certain individuals. There is no agreed-upon dosage for reishi mushroom supplementation, and the quality and active ingredients in supplements can vary widely, making it challenging to determine a safe and effective dose. Reishi mushrooms can cause digestive side effects such as nausea and stomach upset. They may also cause dizziness, dry mouth, itching, rash, and allergic reactions. In addition, they may increase the risk of bleeding in people taking blood thinners or those with certain bleeding disorders. Reishi mushrooms may also interact with medications for high blood pressure and diabetes, and they may worsen symptoms in people taking immunosuppressants for conditions like rheumatoid arthritis or inflammatory bowel disease.
It is important to speak with a healthcare professional before taking reishi mushroom supplements to ensure they are safe for you and to determine the appropriate dosage.
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Reishi mushrooms may boost the immune system and decrease inflammation
Reishi mushrooms, also known as Ganoderma lucidum or lingzhi, are large, shiny mushrooms native to Asia. They have been used in traditional Eastern medicine for centuries to promote long-term health and longevity. Modern science has now backed up some of the purported health benefits of reishi mushrooms, including their ability to boost the immune system and decrease inflammation.
Reishi mushrooms contain over 400 different nutrients, including beta-glucans and triterpenoids, which can lower blood sugar and blood pressure. This can help reduce the risk of diabetes and heart disease. Additionally, reishi mushrooms can help manage the function of T lymphocyte cells (T cells), which are critical white blood cells that fight infections and cancer. Test-tube studies have shown that reishi mushrooms can affect the genes in these white blood cells and alter inflammation pathways.
While the optimal dose of reishi mushrooms has not been set, they are usually consumed in the form of dried extracts, powders, capsules, tablets, teas, or nutritional supplements. According to some sources, the recommended daily dose of reishi mushroom extract is between 1.5 to 9 grams. However, it is important to note that reishi mushrooms may cause side effects such as dizziness, dry mouth, itching, nausea, stomach upset, and rash. They may also be unsafe for certain individuals, including those taking medications for diabetes, high blood pressure, or immunosuppression.
If you are considering taking reishi mushroom supplements, it is important to speak with a healthcare professional to ensure that it is safe for you and to determine the appropriate dosage.
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Reishi mushroom supplements may improve sleep and reduce stress
Reishi mushrooms, also known as Ganoderma lucidum and lingzhi, have been used in Eastern and traditional Chinese medicine for centuries. They are believed to have various health benefits, including boosting the immune system and improving sleep and stress management.
Reishi mushrooms are considered adaptogens, meaning they help the body adapt to stress and promote a sense of calm, which can aid in improving sleep quality. A study published in the Journal of Ethnopharmacology found that three days of Reishi mushroom use "significantly increased total sleep time and non-rapid eye movement sleep" in test subjects. Additionally, reishi mushrooms have been found to be beneficial for immune function, with test-tube studies showing that they can affect the genes in white blood cells, which are critical for immunity.
When taking reishi mushroom supplements, it is important to note that the optimal dose may vary depending on the type of extract and the individual's health status. Commonly, the recommended dose for reishi mushroom extract is approximately 10 times less than when the mushroom itself is consumed. For example, 5 grams of mushroom extract may be comparable to 50 grams of the reishi mushroom. Most recommended doses vary between 1.5 to 9 grams per day. However, it is always advisable to consult with a healthcare professional before taking any supplements, as they can advise on the appropriate dosage and potential side effects.
While reishi mushroom supplements have been found to be generally safe for short-term use, there have been reports of potential side effects, including dizziness, dry mouth, itching, nausea, stomach upset, and rash. It is important to note that reishi mushrooms may interact with certain medications, such as anticoagulants, immunosuppressants, and high blood pressure medications. Therefore, it is crucial to consult a healthcare professional before taking reishi mushroom supplements, especially if you have any underlying health conditions or are taking other medications.
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Reishi mushrooms may be unsafe for certain people and those taking medication
Reishi mushrooms, also known as Ganoderma lucidum or lingzhi, are a fungus that grows in various hot and humid locations in Asia. They have been used in Eastern medicine for their potential health benefits, including boosting the immune system, reducing stress, improving sleep, and lessening fatigue. However, despite these benefits, reishi mushrooms may be unsafe for certain individuals and those taking certain medications.
Firstly, reishi mushrooms can cause digestive side effects such as dizziness, dry mouth, itching, nausea, stomach upset, and rash. They may also cause allergic reactions in some individuals. While research from 2004 found that taking reishi mushroom extract for 4 weeks did not affect the liver or kidneys in healthy adults, other case studies have reported significant liver problems in individuals taking reishi mushrooms. It is important to note that there may have been other factors involved in these cases, and more research is needed to determine the safety of reishi mushrooms for liver function.
Secondly, reishi mushrooms may be unsafe for individuals with bleeding disorders or those taking medications that affect blood clotting, such as anticoagulants. High doses of reishi mushrooms may increase the risk of bleeding, especially if taken before or during surgery. Additionally, reishi mushrooms may lower blood pressure, so they should be used with caution in individuals taking medications for high blood pressure. It is recommended to monitor your blood pressure closely if taking reishi mushrooms and blood pressure medication concurrently.
Furthermore, reishi mushrooms may interact with diabetes medications. There is also limited research on the safety of reishi mushrooms for pregnant or breastfeeding women, so it is recommended to avoid taking them during these periods. Overall, it is always advisable to consult with a healthcare professional before taking reishi mushroom supplements, especially if you have any underlying health conditions or are taking other medications.
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Frequently asked questions
Reishi mushrooms are purported to have several health benefits, including boosting the immune system, shrinking tumours, and improving relaxation and sleep. However, there is little evidence to support these claims.
There is no agreed-upon dosage for reishi mushroom supplementation. Most recommended doses vary between 1.5 to 9 grams per day, but it is important to check the label of the specific product and consult a healthcare professional before taking reishi mushroom supplements.
Reishi mushroom extract is possibly safe when used for up to one year, but taking powdered reishi mushroom for longer than one month may be toxic to the liver. It can also cause dizziness, dry mouth, itching, nausea, stomach upset, and rash. People with low blood pressure, those taking blood pressure or diabetes medication, pregnant or breastfeeding women, and those with bleeding disorders or scheduled for surgery should avoid reishi mushrooms due to the risk of increased bleeding.

























