This is an alliance of "Eastern Herbs". It combines Reishi (symbolizing longevity), Lion's Mane (symbolizing wisdom), Cordyceps (symbolizing vitality), and birch mycelium. These four fungi have been regarded as sacred plants in both Eastern and Western history. The compound formula symbolizes the "king, minister, assistant, and agent" balance philosophy, aiming to build a strong defense wall for the human immune system through multi-dimensional natural forces.