Chinese thorowax, scientifically known as Bupleurum chinense, is a botanical ingredient derived from a perennial plant native to East Asia. Chinese thorowax possesses a range of bioactive compounds, including saikosaponins, flavonoids, and essential oils, which contribute to its medicinal properties. These compounds are extracted from the roots and aerial parts of the plant.

Chinese thorowax has been used in traditional Chinese medicine for centuries due to its potential therapeutic properties. Preliminary studies suggest that it may possess anti-inflammatory, immunomodulatory, and hepatoprotective effects and help to support respiratory health. However, further scientific investigation is necessary to validate the benefits of this herb for horses.