The Relative Safety of Ephedra Compared with Other Herbal Products

Established in 1927 by the American College of Physicians

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The Relative Safety of Ephedra Compared with Other Herbal Products

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Table. Relative Risk for an Adverse Reaction to Ephedra Compared with Other Commonly Used Herbal Products in the United States in 2001

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Figure. Sensitivity analysis showing the effect of variations in the estimate of ephedra's proportion of total herbal market sales on the relative risk for an adverse reaction with ephedra compared with other herbs.

0.82% = best estimate from SPINS, Inc., San Francisco, California; 2.20% = Whole Foods Magazine survey estimate; 13.5% = high estimate assuming that ephedra sales represent half of all nonretail sales in addition to 0.82% of retail sales.