In light of growing public and medical debate over the safety and efficacy of ephedrine-type alkaloid-containing dietary supplements, a review of the literature and assessment of the data were ...

The content of ephedra alkaloids in herbal dietary supplements containing ephedra (ma huang) was studied. The ephedra alkaloid content of 20 ephedra-containing supplements was determined by high ...

Ephedra is a genus of shrubs native to arid regions that produces alkaloids like ephedrine and pseudoephedrine, substances utilized in traditional medicine across many cultures. Archaeological ...