NEW! 福 健 FUKKEN
“Fukken” is a product made by extracting and formulating only the beneficial shiitake mushroom component known as the “mycelium (L.E.M.).” Since ancient times, the health benefits of shiitake mushrooms have been well known, but it was not understood which specific component was responsible. Modern science later revealed that the shiitake mushroom’s “mycelium” possesses remarkable properties, bringing it into the spotlight. In 1981, “Fukken” became a completely unique product by focusing not on the mushroom itself, but on the mycelium, and by obtaining a patented manufacturing process. Since its release, it has been trusted and enjoyed by many people. In 2026, to celebrate its 45th anniversary, lactic acid bacteria—highly compatible with shiitake mycelium—were added to further enhance the benefits of the mycelium. We hope you and your family will enjoy the enhanced power of “Fukken”
What is Mycelium?
What is Mycelium?
Lentinan is a naturally occurring type of beta-glucan found in shiitake mushrooms. It has been studied for its role in supporting normal immune function.* Shiitake mycelium also contains naturally derived polysaccharides such as xylose and arabinose in addition to lentinan. These compounds are gaining attention for their ability to support the body’s natural wellness functions and everyday health maintenance.*
Mushroom-Derived Wellness Support
What Is Fukken’s Shiitake Mycelium Extract (L.E.M.)?
Magnus L.E.M. is made by selecting one strain from over 2,000 varieties of shiitake mushroom cultures. The strain is cultured and extracted using a specialized patented process (Patent No. 1302699), creating a product distinct from ordinary shiitake mushrooms. Along with naturally occurring shiitake mycelium compounds, L.E.M. contains culture-derived components and metabolites produced during cultivation. These ingredients are provided in an easy-to-consume form to support daily wellness and healthy living.*Its gentle formulation makes it suitable for people of all ages, from children to older adults, as part of a balanced diet and healthy lifestyle.*
Shiitake Mycelium + Nano Lactic Acid bacteria
Shiitake-derived compounds have been studied for their ability to help create an environment that supports the activity of beneficial lactic acid bacteria. When combined with probiotics, these ingredients may help support daily wellness from multiple angles.* In particular, naturally occurring polysaccharides found in shiitake mycelium have attracted attention for their potential prebiotic-like properties. Prebiotics are ingredients that help nourish beneficial bacteria and support a healthy intestinal environment.
“Fukken” contains Nano-Sized lactic acid bacteria as part of its formula. Nano-sized lactic acid bacteria are heat-treated probiotics processed into ultra-fine particles smaller than 1 micron. They are known for their stability and resistance to harsh conditions such as stomach acid. Their fine particle size also allows for excellent dispersion and ease of use as a functional ingredient.*
*These statements have not been evaluated by the Food and Drug Administration. This product is not intended to diagnose, treat, cure or prevent any disease.






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