Ephedra (also known as
ma huang) is a naturally occurring substance that is used in traditional Chinese medicine. It was popular as a weight loss supplement, until it was banned in the United States due to safety concerns. Ephedra is still allowed in traditional Chinese medicine and in food products, such as tea.
The active ingredient of ephedra is a chemical known as ephedrine (as well as several other similar chemicals). These ingredients are chemically similar to amphetamines and act as powerful stimulants. While these chemicals may suppress the appetite or increase metabolism (both of which can help with weight loss), they are also responsible for many of the pill's dangerous side effects.
There is some scientific evidence to suggest that ephedra may be effective for short-term weight loss. Unfortunately, while it may be effective, it is also potentially dangerous.
Currently, there is no established dose that is considered safe and effective
(see
Ephedra Dosage for more information).
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