Legal ephedra?
D029789:Ephedra / Q000009:adverse effects*; D004809:Ephedrine / Q000009:adverse effects*; D006801:Humans; D020407:Internet; D007880:Legislation, Drug; D008389:Marketing of Health Services / Q000331:legislation & jurisprudence*; D010936:Plant Extracts / Q000009:adverse effects; D014481:United States; D015431:Weight Loss / Q000187:drug effects
D010936:Plant Extracts; D004809:Ephedrine