There is no reliable scientific evidence to support the use of hoodia. No studies of the herb in people have been published.
Hoodia's safety is unknown. Its potential risks, side effects, and interactions with medicines and other supplements have not been studied.
The quality of hoodia products varies widely. News reports suggest that some products sold as hoodia do not contain any hoodia.
Before taking any new medications, including natural health products, speak to your physician, pharmacist, or other health care provider. Tell your health care provider about any natural health products you may be taking.