The Effect of Runner’s Tea on Fat Oxidation in Recreational Runners
Dr. Maureen Dunn
Ingestion of Runner’s Tea, a matcha green tea product, may have potential for increasing fat oxidation in various populations of runners. This within-groups study was designed to determine whether or not Runner’s Tea would have an effect on fat oxidation during a 30-minute steady-state running task at 65% VO2 max in recreational runners aged 19-22 years (n=10). Each participant consumed either 8 ounces of Citrus Mint Runner’s Tea or 8 ounces of a placebo citrus mint tea (no green tea or caffeine content) 30 minutes prior to exercise. Participants ran 30 minutes at 65% VO2 max, and Respiratory Exchange Ratio (RER), Rating of Perceive Exertion (RPE), and Heart Rate (HR) were taken 6 times throughout each exercise trial at equal intervals. Results showed no main effects for group (p>0.05), and also no interactions between groups over time for RER (p=0.116), RPE (p=0.776), or HR (p=0.212). Currently, no evidence exists to support improvements in fat oxidation when consuming Runner’s Tea compared to placebo tea.
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