Chinese herb Radix Polygoni Multiflori.
This found in website ncbi nlm nih gov/pubmed/17881167.
Your doctor will be best to tell you more about the behind the counter drugs to help with your situation specific situation.
Research the tea called Chanca Piedra also called Phyllanthus or in India Bhumayamalaki. As I have read, its more common that this tea is used in Inda for many liver conditions.
I have tried it and at one time drank it regularly. Its like any other herbal tea with no caffeine and a mild taste like green tea and regular tea.