I often use herbal remedies.
But it appears Yao is also looking to traditional Chinese medicine - a system that includes acupuncture and herbal remedies - to help speed his healing.
The extract from St. John's wort (Hypericum perforatum), a bushy, wild-growing plant with yellow flowers, has been used for centuries in many folk and herbal remedies.
But until then you may like to read the advice from the Medicines and Healthcare products Regulatory Agency for people thinking of taking herbal remedies.
She lived deep in the forest in a tiny cottage and sold herbal remedies for a living.
The carefully tailored menus even include herbal remedies, according to an animal psychologist who worked with the royal pets.