The nonprofit watchdog group Center for Science in the Public Interest today urged consumers to avoid the popular dietary supplement Ginkgo biloba, citing a new government study that found “clear evidence that the ingredient caused liver cancer in mice and some evidence that ginkgo caused thyroid cancer in rats.”
In light of the study, CSPI “downgraded” the supplement, also found in herbal teas and some energy drinks, from the “safe” to the “avoid” category in its Chemical Cuisine Guide of food additives.
Here’s more from the CSPI news release:
“Ginkgo has been used in recent years to let companies pretend that supplements or energy drinks or supplements with it confer some sort of benefit for memory or concentration,” said CSPI executive director Michael F. Jacobson. “The evidence for those claims has been dubious, at best. The pretend benefits are now outweighed by the real risk of harm.” Continue reading