Synonyms: Ephedra sinica, Ma Huang
Biological Source: The plant Ephedra sinica
Chemical Constituents: Ephedrine, Pseudoephedrine, Phenylpropanolamine
Medicinal Uses: Used for asthma, hay fever, and the common cold; also for weight loss and athletic performance.
Note: Ephedra-containing dietary supplements are banned in the U.S. due to safety concerns.
Side Effects
Increased heart rate
High blood pressure
Nervousness
Headache
Nausea
Insomnia

Interactions
Can interact with blood pressure medications, antidepressants, and other drugs, increasing their side effects.
May interact with caffeine and St. John's Wort, potentially leading to severe cardiovascular issues.