Table 2: Pharmacologic effects of ephedra 
and its alkaloids

Table 3: Caffeine-containing herbs 
often combined with ephedra for weight loss

Table 4: Key questions originally proposed*

Table 5: Databases searched*

Table 6: Comparisons

Table 7: Reviewing the evidence

Table 8a: Findings: Weight loss

Table 8b: Findings: Athletic performance*

Table 8c: Findings: Safety

Table 8d: Findings: Sentinel events*

Table 9: Limitations of review

Table 10a: Other herbs and dietary supplements 
commonly marketed for weight loss(29,30)

Table 10b: Prescription products marketed for 
weight loss(29,30)

Table 10c: Other interventions commonly promoted 
for weight loss(29,30)