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Abstract
Ingredient labels on these products may list Ma Huang, Chinese Ephedra, Ma Huang extract, Ephedra, Ephedra Sinica, Ephedra extract, Ephedra herb powder, Sida Cordifolia or epitonin, all of which indicate a source of ephedrine. Sources of caffeine in these products may include: green tea, guarana, yerba mate, cola nut and yohimbe, while other stimulants may include bitter orange, or its active ingredient, synephrine. Labelling standards for Ephedra and Ephedring/pseudoephedrine are on the Health Canada web site.