This study aims to evaluate the effects of short-term Rhodiola rosea supplementation on simulated game performance, perceived fatigue, and aerobic capacity in basketball players. The participants will include 48 professional male basketball players aged 18-25 years, all from Beijing Sport University and holding at least a national level-2 athlete certification. The key research questions are as follows: Does Rhodiola rosea supplementation improve the total completion time of simulated games? Does it reduce post-simulation heart rate and perceived fatigue while enhancing aerobic capacity (e.g., maximal oxygen uptake) and antioxidant indicators? To address these questions, researchers will compare the Rhodiola rosea supplementation group (RHO group) with the control group (CTR group). Participants will be required to: Consume Rhodiola rosea supplements or placebos (empty capsules) daily for 28 consecutive days on an empty stomach. Complete simulated game tests-including sprints, defensive slides, and layups-with total completion time and heart rate recovery recorded. Provide blood samples for the measurement of biochemical indicators such as total antioxidant capacity, superoxide dismutase activity, and creatine kinase. Complete a series of physical fitness tests, including the countermovement jump (CMJ) test, 5-km run, YO-YO Intermittent Recovery Test, and maximal oxygen uptake (VOâ‚‚max) test.
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Total completion time of the simulated game
Timeframe: Baseline and after 28 days of supplementation