Comfrey in Canada
This article was originally published in The Tan Sheet
Executive Summary
Health Canada warns consumers not to take products containing comfrey, or even use topical products on broken skin since the herb contains pyrrolizidine alkaloids, which may cause liver damage, agency announces Dec. 12. Health Canada's warning comes almost three years after a similar announcement by FDA. However, FDA has said it "would not necessarily object" to comfrey supplements that have had PAs removed (1"The Tan Sheet" Nov. 12, 2001, In Brief). Health Canada also reiterates warning of risks associated with kava based on independent market research survey that found such products are still offered at retail outlets despite their recall in August 2002 (2"The Tan Sheet" Aug. 22, 2002, In Brief)...