The purpose of this 2018 article was to systematically review the current literature and evaluate the overall efficacy of nitrate supplementation on exercise tolerance and performance by meta-analysis. A total of 29 studies were identified that investigated the effects of nitrate supplementation on exercise tolerance or performance in accordance with the criteria outlined. Nitrate supplementation is likely to improve exercise tolerance and capacity that may improve exercise performance.
Van De Walle GP, Vukovich MD. The Effect of Nitrate Supplementation on Exercise Tolerance and Performance: A Systematic Review and Meta-Analysis. J Strength Cond Res. 2018 Jun;32(6):1796-1808. doi: 10.1519/JSC.0000000000002046. PMID: 29786633. https://pubmed.ncbi.nlm.nih.gov/29786633/