Nitrate supplementation improves physical performance specifically in non-athletes during prolonged open-ended tests: a systematic review and meta-analysis

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dc.creatorHelton Oliveira Campos
dc.creatorLucas Rios Drummond
dc.creatorQuézia Teixeira Rodrigues
dc.creatorFrederico Sander Mansur Machado
dc.creatorWashington Pires
dc.creatorSamuel Penna Wanne
dc.creatorCândido Celso Coimbra
dc.date.accessioned2023-02-06T12:28:32Z
dc.date.accessioned2025-09-09T01:03:41Z
dc.date.available2023-02-06T12:28:32Z
dc.date.issued2018-03
dc.description.sponsorshipCNPq - Conselho Nacional de Desenvolvimento Científico e Tecnológico
dc.description.sponsorshipFAPEMIG - Fundação de Amparo à Pesquisa do Estado de Minas Gerais
dc.description.sponsorshipCAPES - Coordenação de Aperfeiçoamento de Pessoal de Nível Superior
dc.identifier.doihttps://doi.org/10.1017/S0007114518000132
dc.identifier.issn1475-2662
dc.identifier.urihttps://hdl.handle.net/1843/49552
dc.languageeng
dc.publisherUniversidade Federal de Minas Gerais
dc.relation.ispartofBritish Journal of Nutrition
dc.rightsAcesso Restrito
dc.subjectDieta
dc.subjectCondicionamento físico humano
dc.subjectÓxido nítrico
dc.subjectFadiga
dc.subject.otherDiet
dc.subject.otherFitness level
dc.subject.otherNitric oxide
dc.subject.otherFatigue
dc.titleNitrate supplementation improves physical performance specifically in non-athletes during prolonged open-ended tests: a systematic review and meta-analysis
dc.typeArtigo de periódico
local.citation.epage657
local.citation.issue6
local.citation.spage636
local.citation.volume119
local.description.resumoNitrate (NO3−) is an ergogenic nutritional supplement that is widely used to improve physical performance. However, the effectiveness of NO3− supplementation has not been systematically investigated in individuals with different physical fitness levels. The present study analysed whether different fitness levels (non-athletes v. athletes or classification of performance levels), duration of the test used to measure performance (short v. long duration) and the test protocol (time trials v. open-ended tests v. graded-exercise tests) influence the effects of NO3− supplementation on performance. This systematic review and meta-analysis was conducted and reported according to the guidelines outlined in the Preferred Reporting Items for Systematic Reviews and Meta-Analysis (PRISMA) statement. A systematic search of electronic databases, including PubMed, Web of Science, SPORTDiscus and ProQuest, was performed in August 2017. On the basis of the search and inclusion criteria, fifty-four and fifty-three placebo-controlled studies evaluating the effects of NO3− supplementation on performance in humans were included in the systematic review and meta-analysis, respectively. NO3− supplementation was ergogenic in non-athletes (mean effect size (ES) 0·25; 95 % CI 0·11, 0·38), particularly in evaluations of performance using long-duration open-ended tests (ES 0·47; 95 % CI 0·23, 0·71). In contrast, NO3− supplementation did not enhance the performance of athletes (ES 0·04; 95 % CI −0·05, 0·15). After objectively classifying the participants into different performance levels, the frequency of trials showing ergogenic effects in individuals classified at lower levels was higher than that in individuals classified at higher levels. Thus, the present study indicates that dietary NO3− supplementation improves physical performance in non-athletes, particularly during long-duration open-ended tests.
local.identifier.orcidhttp://orcid.org/0000-0001-5720-8054
local.identifier.orcidhttp://orcid.org/0000-0002-6042-7757
local.identifier.orcidhttp://orcid.org/0000-0003-2295-0894
local.identifier.orcidhttps://orcid.org/0000-0002-8708-3245
local.identifier.orcidhttp://orcid.org/0000-0002-4659-1032
local.identifier.orcidhttps://orcid.org/0000-0001-8981-6724
local.publisher.countryBrasil
local.publisher.departmentEEF - DEPARTAMENTO DE EDUCAÇÃO FÍSICA
local.publisher.initialsUFMG
local.url.externahttps://www.cambridge.org/core/journals/british-journal-of-nutrition/article/nitrate-supplementation-improves-physical-performance-specifically-in-nonathletes-during-prolonged-openended-tests-a-systematic-review-and-metaanalysis/148DF7D768DB2A32947B42F33381FEDF

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