One in five herbal remedies unapproved

Unapproved herbal remedies sold in pharmacies and health food stores are exposing Australians to a "potentially hazardous" mix of ingredients, an SA study shows.

Almost one in five "traditional medicines" sold in Australia are not approved by the TGA, University of Adelaide researchers found, in an audit of products claiming to treat arthritis, flu, gastrointestinal upset, stress or premenstrual syndrome.

But even TGA-approved remedies carried risks: 60%