Goji berries (gouqi)

Also called: wolfberry, gouqi

The dried red berries of Lycium barbarum, eaten as a food and used in Chinese medicine; also sold as juice and extract.

Why people take it: Eyesight, immunity, ageing and as a tonic.
What the evidence says: A nutritious food rich in antioxidants. Studies of health effects are small, so benefits beyond good nutrition are not proven.
Be careful: May increase the effect of warfarin (reported cases of bleeding risk) and may lower blood sugar. People allergic to some fruits may react.
In food: Eaten as a dried fruit, in tea and in soups.

Other most popular

The dried red berries of Lycium barbarum, eaten as a food and used in Chinese medicine; also sold as juice and extract.

Eyesight, immunity, ageing and as a tonic.

A nutritious food rich in antioxidants. Studies of health effects are small, so benefits beyond good nutrition are not proven.

May increase the effect of warfarin (reported cases of bleeding risk) and may lower blood sugar. People allergic to some fruits may react.

Last reviewed 31 October 2026. Written by Satya Babu.