Came across this site by chance 

In London there a quiet a few Chinese herbalists shops so best to know a bit about the herds before going to them 

Kalaila a brand which belongs to M5power Group. As a part of special division, we aim to expand the amazing things to everyone people in the world. Improving or even cured our body desease through natural and healthy herbs.

Traditional Chinese herbs has evolved over 2 thousands of years. practitioners use various psychological and/or physical approaches (such as acupuncture and tai chi) as well as herbal products to address health problems.

Chinese herbal products have been studied for many medical problems, including stroke, heart disease, mental disorders, and respiratory diseases (such as bronchitis and the common cold), and a national survey showed that about one in five Americans use them.

There are a lot listed here 

https://chinesetraditionalherbs.com

Now if some read this and get the recommendation herb and get cured my job is done