Yerba Maté (Illex Paraguariensis) Ingestion Augments Fat Oxidation And Energy Expenditure During Exercise At Various Submaximal Intensities
Notes for this study:
|Number of Subjects
Oral supplementation of 1,000mg yerba mate (1.5% caffeine by weight in subjects not consuming more than 200mg caffeine in the previous week) in otherwise healthy adults an hour prior to exercise failed to influence fat oxidation rate or blood lactate during rest, but during exercise there was an increase in fatty acid oxidation rates and relative decrease in carbohydrate oxidation rates.
There was no improvement of VO2 max during testing, and overall metabolic rate during exercise was not significantly increased.