An extract of milk thistle is used to improve liver function, protect against liver damage and enhance regeneration of damaged liver cells. Clinical studies have confirmed the usefulness of standardized milk thistle extracts in cases of cirrhosis, toxic liver and other chronic liver conditions. Taken internally, passion flower is usually combined with other sedative herbs for various types of nervous conditions, including insomnia and related disorders. Internally, peppermint has an antispasmodic action, with a calming effect on the stomach and intestinal tract. As a tea, extract, or in a capsule, peppermint is useful for indigestion, cramp-like discomfort of the upper gastrointestinal and bile duct, irritable bowel syndrome and inflammation or irritation of the gums.
Psyllium is a major source of fiber.
The tiny seeds contain a coating of gelatinous material, which swells upon contact with moisture. This should be used only after proper diagnosis by a physician. Clinical studies indicate that the extract can increase urine flow and reduce frequency of nighttime urination. Today, senna is recognized as one of the most popular and reliable stimulant laxatives. Use of senna is generally regarded as safe.