A jointed, almost leafless desert shrub. Ephedra also known as Ma Huang.
The term ephedra is used to refer to the herb “Ephedra sinica,” which is also known as “ma huang.” The ingredient of ephedra that has received the most attention with relation to athletic performance is ephedrine.
An herbal remedy (Ephedra sinica) promoted as a dietary aid, energy booster, and asthma treatment.