From the Manufacturer:
At an ancient king's request, his herbalist created a tonic to supporthis vitality, potency and endurance by strengthening his kidney, heart,and spleen meridians and his yang (male) energies. It was considered atonic to the Ching, or life energies. In traditional Chinese medicine,the kidney is believed to be the seat of the Ching and the sexualenergy. It was used by both men and women to help support balance andharmony and a healthy energetic feeling. For additional support, usethis tea together with our American Ginseng Tea.