Reishi Mushroom Extract - Standardized

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Support overall health and well-being with Swanson Reishi Mushroom Extract. For more than 2,000 years, traditional Chinese herbalists have valued reishi as one of nature's premier tonic mushrooms for promoting health and wellness. We now know that reishi mushroom contains several beneficial nutraceutical compounds, including polysaccharides, sterols, triterpenoids and coumarin. Mushrooms such as reishi deliver antioxidant defense for the liver and immune system and also promote healthy aging.

Polysaccharides are compounds that the body uses for cellular communication and energy. They help support immune system function and may even demonstrate prebiotic potential which could further promote immune, digestive and overall wellness. Swanson Reishi Mushroom Extract is standardized to 10% polysaccharide concentration for guaranteed potency in each capsule.


Supplement Facts

Serving Size 1 Capsule

Servings Per Container 90

Amount Per Serving % Daily Value
Reishi Mushroom Extract (fruiting bodies) (10% polysaccharides) 500 mg *

*Daily Value not established.

Other Ingredients: Gelatin, maltodextrin, microcrystalline cellulose (plant fiber), magnesium stearate, silica

Suggested Use: As a dietary supplement, take one capsule two to three times per day with water.

Warning: Do not take this product if you are pregnant or nursing. Consult your healthcare provider before use if you are currently taking any prescription medications or receiving medical treatment. Discontinue use if unusual symptoms occur.




  1. What Are the Benefits of Reishi Supplements?
    Reishi mushroom is valued for its naturally occurring compounds, including polysaccharides and triterpenes. It is commonly used to support healthy immune function, provide antioxidant support, and promote overall wellness. Many people also incorporate reishi into their daily routines to support relaxation and healthy aging as part of a balanced lifestyle.
  2. What Are the Side Effects of Reishi Supplements?
    Reishi supplements are generally well tolerated when used as directed. Some individuals may experience mild digestive discomfort or sensitivity to mushroom ingredients. As with any dietary supplement, individuals who are pregnant, nursing, have a medical condition, or take prescription medications should consult a healthcare provider before use.
  3. What Is the Difference Between Reishi Extract and Whole Reishi Mushroom?
    Whole reishi mushroom supplements contain the entire mushroom and its naturally occurring components, while reishi extracts are concentrated to provide higher levels of specific compounds. Some consumers prefer whole mushroom products for a traditional approach, while others choose extracts for their concentrated content. The best option depends on individual preferences and wellness goals.
  4. Can Reishi Be Combined With Other Mushroom Supplements?
    Yes. Reishi is often included in multi-mushroom formulas and can be used alongside other mushroom supplements as part of a comprehensive wellness routine. Many people choose mushroom blends because they provide the unique nutritional profiles of multiple mushroom species in a single regimen. Always follow product directions and consult your healthcare provider if you have questions about combining supplements.
  5. What Makes Swanson Reishi Mushroom Extract Different From Whole Reishi Mushroom Products?
    Swanson Reishi Mushroom Extract provides a concentrated form of reishi mushroom, delivering higher levels of naturally occurring compounds than would typically be found in an equivalent amount of whole mushroom powder.
  6. Is Swanson Reishi Mushroom Extract Suitable for Special Diets?
    Swanson Reishi Mushroom Extract is made with non-GMO ingredients, making it a convenient choice for individuals seeking a non-GMO mushroom supplement. However, this product is not gluten free and is not suitable for vegetarian or vegan diets. Always review the product label for the most current ingredient, allergen, and dietary information before use.


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