Burdock is a traditional liver tonic. The mild stimulating effects it has on the liver make it useful for treating the irratability of PMS.

Burdock is also a mild diuretic which means it may help relieve PMS-related bloating and breast tenderness, both of which are associated with too much fluid in the system.

Acording to the Lawrence Review of Natural Products, a respected newsletter, Burdock juice or extracts show test-tube activity against HIV. Burdock is a herb used to help the immune system fight viruses and researchers have found that it does have properties that specifically fight HIV.