45
Participants
Start Date
January 31, 2012
Primary Completion Date
July 31, 2013
Study Completion Date
July 31, 2013
Echinacea-based dietary supplement
Echinacea-based dietary supplement given at 8,000mg/day or 16,000 mg/day by mouth
Placebo
Sugar pill manufactured to mimic dietary supplement
Texas Tech University - Department of Nutritional Sciences, Lubbock
University of Georgia
OTHER