Toei Shinyaku Co., Ltd. (Headquarters: Mitaka, Tokyo; President & CEO: Akitomo Motoi) is pleased to announce that its outdoor cultivated Agaricus blazei / brasilensis KA21 strain = King Agaricus KA21 has received the Excellence Award at the 1st Sunny Health Rejuvenation Contribution Award, organized by the Japan Anti-Aging Foundation.
Press Release
Japanese：https://www.atpress.ne.jp/news/564369
English：https://en.atpress.com/news/564369
Chinese：https://zh.atpress.com/news/564369
Evaluation and Award Background
The final evaluation was conducted during the Japan Anti-Aging Association Academic Forum held on December 6, 2025.
At the forum, Toei Shinyaku presented the unique advantages of outdoor cultivated King Agaricus KA21, including:
-
Higher levels of key active components such as β-glucans and vitamin D compared with conventional indoor-grown Agaricus
-
More than fivefold higher antioxidant activity
-
Rarity and uniqueness of open-field cultivation
-
Strong scientific evidence, including human clinical trial data
Based on a comprehensive review of these factors, King Agaricus KA21 was selected to receive the Excellence Award.
Looking Ahead
Toei Shinyaku Co., Ltd. will continue its research and development of outdoor cultivated King Agaricus KA21, with the aim of contributing to the extension of healthy life expectancy in Japan through science-based functional ingredients.