In addition to Acupuncture, Chinese herbal medicines are used to correct energetic pathways. Herbs are given to target the underlying causes related to each person's specific constitution and particular health issues. A diverse selection of herbs are used, including ones that aid the digestive system, speed up metabolism, regulate sleep, and increase energy levels. Herbal medicines work by helping the organ networks to function more efficiently. Use of herbal medicine is critical in the process of regaining and maintaining optimal health, and are usually taken at least twice a day.