Nitrate derived from beet juice and its influences on high-intensity exercise: a systematic review of randomized clinical trials

  • Camila Venancia Guerra Universidade de Pernambuco, Campus Petrolina, Petrolina-PE, Brasil.
  • Barbara E. Silva Soares Universidade de Pernambuco, Campus Petrolina, Petrolina-PE, Brasil.
  • Fellipe Mateus A. de Oliveira Morais Universidade de Pernambuco, Campus Petrolina, Petrolina-PE, Brasil.
  • Andrey Alves Porto Universidade Estadual Paulista (UNESP), Marília-SP, Brasil.
  • Cicero Jonas R. Benjamim Departamento de Clínica Médica, Faculdade de Medicina de Ribeirão Preto, Universidade de São Paulo (FMRP/USP), Ribeirão Preto-SP, Brasil.
Keywords: Beta vulgaris L., Nitrate, Sports, Performance, Exercise

Abstract

Nitrate (NO3) supplementation through beetroot juice seems effective in high-intensity and short-duration exercises, which primarily use the anaerobic metabolic pathway. In order to clarify these issues, a systematic review was developed to investigate the effects of the use of NO3 supplementation derived from sugar beet on performance. The search was performed in PubMed (via MedLine), Cochrane Library, and EMBASE using the search strategy: “Athletic Performances” OR “Sports” OR “Performance” AND “Nitrates” OR “Beta vulgaris” OR “Beet”. The primary study population should include healthy, physically active adults aged 18 to 65 years. The intervention with NO3- should be beetroot juice and controlled with placebo intervention, with characteristics similar to beetroot juice and depleted in NO3. The studies should bring as outcome variables of physical performance in exercises with a predominantly anaerobic metabolic pathway. We consider single or double-blind, randomized clinical trials. 177 articles were found in the databases, which after the screening and eligibility stages, only 9 remained in the sample. The intervention with NO3 from beet juice showed essential contributions in the performance tests of the primary studies. Most of the included trials showed better results in the group that ingested NO3. It can conclude that NO3 from beetroot juice is an essential ergogenic resource in high intensity and short duration activities, and, therefore, it can be used in conditions that aim to increase the performance of athletes.

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Published
2022-05-14
How to Cite
Guerra, C. V., Soares, B. E. S., Morais, F. M. A. de O., Porto, A. A., & Benjamim, C. J. R. (2022). Nitrate derived from beet juice and its influences on high-intensity exercise: a systematic review of randomized clinical trials. RBNE - Brazilian Journal of Sports Nutrition, 16(97), 107-117. Retrieved from https://www.rbne.com.br/index.php/rbne/article/view/1975
Section
Scientific Articles - Original