A study on the differences in recovery effects of different types of nutritional supplements on competitive performance of esports athletes under mental fatigue.

Yiyuan Chong; Mengli Wei; Jun Tu; Ziyang Li; Minghui Li; Yaping Zhong

doi:10.1080/15502783.2026.2728354

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A study on the differences in recovery effects of different types of nutritional supplements on competitive performance of esports athletes under mental fatigue.

Yiyuan Chong·Mengli Wei·Jun Tu·Ziyang Li·Minghui Li·Yaping Zhong

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Abstract

BACKGROUND: To compare the effects of different nutritional supplements on the recovery of core competitive performance abilities in esports athletes following mental fatigue and to observe changes in the autonomic nervous system during recovery after nutritional supplementation by monitoring heart rate variability (HRV). METHODS: A randomized crossover within-subject controlled experimental design was adopted, including nutritional supplement type (caffeine, nitrate, Ginkgo biloba extract, catechins, placebo) × mental fatigue state (initial, fatigued, post-supplementation). Twenty high-level first-person shooter (FPS) esports athletes were recruited. Mental fatigue was induced using a Stroop task. After ingesting the different supplements and resting for 60 minutes, the participants completed assessments of shooting accuracy, shooting stability, spatial localization, and multitasking ability using the KovaaK's simulation trainer. HRV indices were also recorded to evaluate changes in autonomic regulation. RESULTS: For shooting accuracy, compared with the placebo condition, all four supplements significantly improved shooting accuracy scores following mental fatigue (all p < 0.05); however, no significant differences were observed among the effects of the different supplements. For shooting stability, caffeine, nitrate, and catechins produced significant recovery effects on shooting stability (all p  < 0.05); however, no significant differences were observed among the effects of these three supplements. For spatial localization and multitasking ability, the improvements in these two abilities in the post-supplementation state may have resulted from natural recovery, and none of the four nutritional supplements demonstrated a significant recovery effect. The HRV results showed that indices including RMSSD and SDNN changed under some supplement conditions. CONCLUSIONS: Mental fatigue significantly reduced the competitive performance of esports athletes. Four types of nutritional supplements all promoted the recovery of shooting accuracy, while caffeine, nitrate, and catechins promoted the recovery of shooting stability. However, no additional recovery advantages of the nutritional supplements over placebo were identified for spatial localization or multitasking ability. Changes in HRV may reflect changes in autonomic regulation during recovery, but further research is still warranted.

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Yiyuan Chong, Mengli Wei, Jun Tu, Ziyang Li, Minghui Li, Yaping Zhong. 2026-09-09. A study on the differences in recovery effects of different types of nutritional supplements on competitive performance of esports athletes under mental fatigue.. https://doi.org/10.1080/15502783.2026.2728354

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Journal Article; Randomized Controlled Trial resource Athletes subject Athletic Performance subject Autonomic Nervous System subject Caffeine subject Cross-Over Studies subject Dietary Supplements subject Esports subject Heart Rate subject Humans subject Journal Article subject Male subject Mental Fatigue subject Nitrates subject Randomized controlled trials study heart rate variability subject

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