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Open AccessReview

Effects of Dietary Nitrate Supplementation on Weightlifting Exercise Performance in Healthy Adults: A Systematic Review

1
Department of Health and Human Performance, Sport Biomechanics Laboratory, Facultad de Ciencias de la Actividad Física y del Deporte—INEF, Universidad Politécnica de Madrid, 28040 Madrid, Spain
2
Faculty of Health Science, Universidad Isabel I, 09003 Burgos, Spain
3
Faculty of Medicine, School of Medicine of Physical Education and Sport, Complutense University, 28040 Madrid, Spain
4
Faculty of Sports Medicine, Natural Sciences Division, Pepperdine University, Malibu, CA 90263, USA
5
School of Sport, Exercise and Health Sciences, Loughborough University, Loughborough, LE11 3TU, UK
*
Author to whom correspondence should be addressed.
Nutrients 2020, 12(8), 2227; https://doi.org/10.3390/nu12082227
Received: 29 June 2020 / Revised: 21 July 2020 / Accepted: 23 July 2020 / Published: 26 July 2020
(This article belongs to the Special Issue Nitrate Supplementation for Performance and Health)
Dietary nitrate (NO3) supplementation has been evidenced to induce an ergogenic effect in endurance and sprint-type exercise, which may be underpinned by enhanced muscle contractility and perfusion, particularly in type II muscle fibers. However, limited data are available to evaluate the ergogenic potential of NO3 supplementation during other exercise modalities that mandate type II fiber recruitment, such as weightlifting exercise (i.e., resistance exercise). In this systematic review, we examine the existing evidence basis for NO3 supplementation to improve muscular power, velocity of contraction, and muscular endurance during weightlifting exercise in healthy adults. We also discuss the potential mechanistic bases for any positive effects of NO3 supplementation on resistance exercise performance. Dialnet, Directory of Open Access Journals, Medline, Pubmed, Scielo, Scopus and SPORT Discus databases were searched for articles using the keywords: nitrate or beetroot and supplement or nut*r or diet and strength or “resistance exercise” or “resistance training” or “muscular power”. Four articles fulfilling the inclusion criteria were identified. Two of the four studies indicated that NO3 supplementation could increase aspects of upper body weightlifting exercise (i.e., bench press) performance (increases in mean power/velocity of contraction/number of repetitions to failure), whereas another study observed an increase in the number of repetitions to failure during lower limb weightlifting exercise (i.e., back squat). Although these preliminary observations are encouraging, further research is required for the ergogenic potential of NO3 supplementation on weightlifting exercise performance to be determined. View Full-Text
Keywords: beetroot; ergogenic aid; exercise; nutrition; muscle beetroot; ergogenic aid; exercise; nutrition; muscle
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MDPI and ACS Style

San Juan, A.F.; Dominguez, R.; Lago-Rodríguez, Á.; Montoya, J.J.; Tan, R.; Bailey, S.J. Effects of Dietary Nitrate Supplementation on Weightlifting Exercise Performance in Healthy Adults: A Systematic Review. Nutrients 2020, 12, 2227. https://doi.org/10.3390/nu12082227

AMA Style

San Juan AF, Dominguez R, Lago-Rodríguez Á, Montoya JJ, Tan R, Bailey SJ. Effects of Dietary Nitrate Supplementation on Weightlifting Exercise Performance in Healthy Adults: A Systematic Review. Nutrients. 2020; 12(8):2227. https://doi.org/10.3390/nu12082227

Chicago/Turabian Style

San Juan, Alejandro F.; Dominguez, Raul; Lago-Rodríguez, Ángel; Montoya, Juan J.; Tan, Rachel; Bailey, Stephen J. 2020. "Effects of Dietary Nitrate Supplementation on Weightlifting Exercise Performance in Healthy Adults: A Systematic Review" Nutrients 12, no. 8: 2227. https://doi.org/10.3390/nu12082227

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