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International Journal of Medicinal Mushrooms
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ISSN Imprimir: 1521-9437
ISSN En Línea: 1940-4344

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International Journal of Medicinal Mushrooms

DOI: 10.1615/IntJMedMushrooms.2018025989
pages 359-367

Effects of a Commercial Supplement of Ophiocordyceps sinensis and Ganoderma lucidum on Physiological Responses to Maximal Exercise in Healthy Young Participants

Sharon Tsuk
The Zinman College of Physical Education and Sport Sciences, Wingate Institute, Netanya, Israel
Yarden Har Lev
The Zinman College of Physical Education and Sport Sciences, Wingate Institute, Netanya, Israel
Arie Rotstein
The Zinman College of Physical Education and Sport Sciences, Wingate Institute, Netanya, Israel
Aviva Zeev
The Zinman College of Physical Education and Sport Sciences, Wingate Institute, Netanya, Israel
Refael Carasso
The Hillel Yaffe Medical Center, Hadera, Israel
Gilit Steiner
The Zinman College of Physical Education and Sport Sciences, Wingate Institute, Netanya, Israel

SINOPSIS

Cordyceps sinensis (=Ophiocordyceps sinensis) and Ganoderma lucidum are 2 medicinal mushrooms that have been suggested to have the potential to enhance exercise capacity. We used a commercial supplement combining a traditional Chinese medicine and G. lucidum and tested its effects on human physical, aerobic, and anaerobic capacities. Physical education students (n = 96; 43 women, 53 men; mean ± standard deviation age, 26.3 ± 3.21 years) were randomly divided into 3 groups: low-dose treatment, high-dose treatment, and placebo. Participants received the supplement or the placebo for 28-33 days. Both before and after the intervention, the participants performed a graded maximum oxygen consumption (Vo2max) test on a treadmill and a Wingate anaerobic cycle test (on a different day). The following parameters were measured and recorded during the maximal graded treadmill test: heart rate, oxygen consumption, respiratory exchange ratio, and ventilation. The following parameters were calculated from the Wingate anaerobic cycle test: maximal anaerobic power, mean anaerobic power, and fatigue index. The supplements did not affect Vo2max or the physiological responses upon maximal exercise during the graded treadmill test. In a similar way, they had no effect on peak or mean power, or fatigue index, as measured by the Wingate anaerobic test. A borderline interaction indicated a somewhat lower heart rate at rest after treatment; however, post hoc analysis did not reveal any further statistically significant differences (P = 0.047; F = 3.169). The findings indicate that dual supplementation with C. sinensis and G. lucidum had no effect on Vo2max, on physiological responses at peak exercise load during a graded maximal treadmill test, or on the parameters of anaerobic capacity.


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