The ephedra alkaloid content of each product is ... with product C containing the least (1.09 mg per capsule) and product M the most (15.33 mg per capsule). The second most common alkaloid ...

But the capsules are illegal in Australia because they contain Ephedra, used as a precursor for methamphetamine. SBS Chinese found Lianhua Qingwen for $30 a box in an Asian supermarket in Victoria.