Effects of the Withania somnifera supplementation on sports performance: a systematic review and meta-analysis
Background: Withania somnifera has been used as an ergogenic resource in recent years. In this scenario, a systematic literature review is justified to compile the findings in the scientific literature and to evaluate the methodological quality of these investigations. Aims: Our objective with this review was to evaluate the effects of Withania somnifera supplementation on sports performance in physical exercise practitioners. Material and Methods: This systematic literature review with meta-analysis addresses the effects of Withania somnifera supplementation on sports performance. Results: Of the parameters evaluated in the articles, the maximum oxygen uptake was shown to improve significantly in the three studies in which it was evaluated. Maximum strength was not influenced by the supplementation. Conclusions: The results of the present systematic literature review showed evidence that the supplementation of Withania somnifera over 500 mg to 1,250 mg before or after exercise can improve physical performance.
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