From the Manufacturer:
Our U.S. government patented formula, U.S. Patent #5939072, helps to maintain the healthy function of your liver. Drink Liver-Enhancer to nurture and detoxify your liver, to fight oxidizing free-radicals, and to balance your immune system, while restoring your body's natural healing powers. According to Traditional Chinese Herbal Theory, the liver energy controls and balances the spleen and stomach energies.
Liver-Enhancer delivers the maximum benefits from historically proven edible, precious and beneficial mushrooms, such as Reishi, Cordyceps, Maitake and Shiitake. This balanced combination of our pure mushroom extracts acts synergistically with the hepato-protective Schizandra, Chinese Lycium and Milk Thistle. Stevia and Lo Han provide a balancing and moistening effect on internal organs. The polysaccharides in these ingredients have been scientifically proven to be effective in modulating the immune system.