Natural Factors LG Cleanse Formula - An important herbal formulation that supports the liver and gallbladder, containing standardized extracts of the primary herbs, milk thistle and turmeric. A primary function of the liver is detoxification, the liver neutralizes harmful poisons into harmless substances. As our prime defense against toxins, a fully functioning liver is essential. Milk thistle extract counteracts the effects of pollutants and has liver-protective effects. Silymarin, the active substance in milk thistle, is a powerful antioxidant, protecting the liver from damage due to toxins and can actually regenerate liver tissue. The results of numerous studies suggest that silymarin has considerable therapeutic potential, protecting intact liver cells or cells not yet irreversibly damaged, by acting on the cell membranes to prevent the entry of toxic substances.