Angelica sinensis

Angelica sinensis, commonly known as "dong quai" or "female ginseng" is a herb from the family Apiaceae, indigenous to China.

Use in traditional Chinese medicine
The dried root of Angelica sinensis is commonly known as Chinese angelica  and is widely used in Chinese traditional medicine for gynecological ailments, fatigue, mild anemia and high blood pressure. The plant's phytochemicals consist of coumarins, phytosterols, polysaccharides, ferulate, and flavonoids. It has antioxidant activity.

Adverse effects
A. sinensis contains chemicals that are carcinogens. It can cause skin to become extra-sensitive to the sun leading to a greater risk for skin cancer. There is one case report of gynaecomastia following consumption of Dong Quai root powder pills.

It prolongs INR.

Drug interactions
Angelica sinensis may increase the anticoagulant effects of the drug warfarin and consequently increase the risk of bleeding.