Journal of Sports Science and Medicine
Journal of Sports Science and Medicine
ISSN: 1303 - 2968   
Ios-APP Journal of Sports Science and Medicine
Androit-APP Journal of Sports Science and Medicine
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©Journal of Sports Science and Medicine (2009) 08, 509 - 515

Research article
Effect of BETA 1, 3/1, 6 GLUCAN on Upper Respiratory Tract Infection Symptoms and Mood State in Marathon Athletes
Shawn Talbott , Julie Talbott
Author Information
SupplementWatch & GLH Nutrition, LLC, Draper, UT, USA.

Shawn Talbott
✉ SupplementWatch / GLH Nutrition, LLC, 648 Rocky Knoll, Draper, UT 84020, USA
Email: smtalbott@supplementwatch.com
Publish Date
Received: 02-04-2009
Accepted: 14-07-2009
Published (online): 01-12-2009
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ABSTRACT

This was a placebo-controlled, double-blind study designed to evaluate the effect of a commercially available dietary supplement on upper-respiratory tract symptoms (URTI) and mood state. Seventy-five marathon runners (35 men, 40 women) ranging in age from 18-53 years, mean age: 36 ± 9, self-administered placebo, 250 mg or 500 mg of BETA 1,3/1,6 GLUCAN (commercial name Wellmune WGP®) daily during the 4 week post-marathon trial period following the 2007 Carlsbad Marathon. Subjects filled out the profile of mood state (POMS) assessment and a questionnaire style health log measuring health status and URTI symptoms after 2- and 4-week treatment administrations. During the course of the 4-week study, subjects in the treatment groups (250 mg and 500 mg BETA-GLUCAN per day) reported significantly fewer URTI symptoms, better overall health and decreased confusion, fatigue, tension, and anger, and increased vigor based on the POMS survey compared to placebo. BETA-GLUCAN may prevent URTI symptoms, and improve overall health and mood following a competitive marathon.

Key words: Dietary supplements, exercise, beta- Glucans, respiratory tract infections


           Key Points
  • Beta-Glucan supplementation maintains immune function in endurance athletes.
  • Beta-Glucan supplementation reduces post-exercise URTIs in marathon runners.
  • Maintenance of post-exercise immune function is associated with improved mood state, including reduced fatigue and increased vigor in athletes.
 
 
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