Acute Effects of Beetroot Juice Supplements on Resistance Training: A Randomized Double-Blind Crossover

Ranchal-Sanchez, Antonio; Diaz-Bernier, Victor Manuel; De La Florida-Villagran, Candelaria Alonso; Llorente-Cantarero, Francisco Jesus; Campos-Perez, Julian; Jurado-Castro, Jose Manuel

doi:10.3390/nu12071912

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Acute Effects of Beetroot Juice Supplements on Resistance Training: A Randomized Double-Blind Crossover

Antonio Ranchal-Sanchez

^1,2,

Victor Manuel Diaz-Bernier

²,

Candelaria Alonso De La Florida-Villagran

²,

Francisco Jesus Llorente-Cantarero

^3,4

Julian Campos-Perez

⁵ and

Jose Manuel Jurado-Castro

^6,*

Maimonides Biomedical Research Institute of Cordoba (IMIBIC), University of Cordoba, 14004 Córdoba, Spain

Department of Nursing, Pharmacology and Physiotherapy, Faculty of Medicine and Nursing, University of Cordoba, 14071 Córdoba, Spain

Department of Specific Didactics, Faculty of Education, University of Cordoba, 14071 Córdoba, Spain

⁴

CIBEROBN, (Physiopathology of Obesity and Nutrition) Institute of Health Carlos III (ISCIII), 28029 Madrid, Spain

⁵

Department of Food Science and Technology, Rabanales University Campus, University of Cordoba, 14071 Córdoba, Spain

⁶

Metabolism and Investigation Unit, Maimonides Biomedical Research Institute of Cordoba (IMIBIC), Reina Sofia University Hospital, University of Cordoba, 14004 Córdoba, Spain

Author to whom correspondence should be addressed.

Nutrients 2020, 12(7), 1912; https://doi.org/10.3390/nu12071912

Received: 29 May 2020 / Revised: 24 June 2020 / Accepted: 25 June 2020 / Published: 28 June 2020

(This article belongs to the Special Issue Nitrate Supplementation for Performance and Health)

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Abstract

The ingestion of beetroot juice (BJ) has been associated with improvements in physical performance in endurance sports, however the literature on resistance training (RT) is scarce. The aim of this study was to investigate the acute effects of BJ compared to a placebo (PLA) on muscular endurance and movement concentric velocity during RT. Twelve healthy men performed an incremental RT test (back squat and bench press) with three sets, at 60%, 70%, and 80% of their repetition maximum (1-RM). Movement velocity variables, total number of repetitions performed until concentric failure, blood lactate, and ratings of perceived effort post-training were measured. A higher number of repetitions were recorded with BJ compared to those with PLA (13.8 ± 14.4; p < 0.01; effect size (ES) = 0.6). Differences were found at 60% 1-RM (9 ± 10; p < 0.05; ES = 0.61) and 70% 1-RM (3.1 ± 4.8; p < 0.05; ES = 0.49), however, no differences were found at 80% 1-RM (1.7 ± 1; p = 0.12; ES = 0.41). A greater number of repetitions was performed in back squat (13.4 ± 13; p < 0.01; ES = 0.77), but no differences were observed in bench press (0.4 ± 5.1; p = 0.785; ES = 0.03). No differences were found for the rest of the variables (p > 0.05). Acute supplementation of BJ improved muscular endurance performance in RT. View Full-Text

Keywords: beet juice; dietary supplement; nitrate; nitric oxide; ergogenic aid; athletic performance

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Ranchal-Sanchez, A.; Diaz-Bernier, V.M.; De La Florida-Villagran, C.A.; Llorente-Cantarero, F.J.; Campos-Perez, J.; Jurado-Castro, J.M. Acute Effects of Beetroot Juice Supplements on Resistance Training: A Randomized Double-Blind Crossover. Nutrients 2020, 12, 1912. https://doi.org/10.3390/nu12071912

AMA Style

Ranchal-Sanchez A, Diaz-Bernier VM, De La Florida-Villagran CA, Llorente-Cantarero FJ, Campos-Perez J, Jurado-Castro JM. Acute Effects of Beetroot Juice Supplements on Resistance Training: A Randomized Double-Blind Crossover. Nutrients. 2020; 12(7):1912. https://doi.org/10.3390/nu12071912

Chicago/Turabian Style

Ranchal-Sanchez, Antonio, Victor M. Diaz-Bernier, Candelaria A. De La Florida-Villagran, Francisco J. Llorente-Cantarero, Julian Campos-Perez, and Jose M. Jurado-Castro. 2020. "Acute Effects of Beetroot Juice Supplements on Resistance Training: A Randomized Double-Blind Crossover" Nutrients 12, no. 7: 1912. https://doi.org/10.3390/nu12071912

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Acute Effects of Beetroot Juice Supplements on Resistance Training: A Randomized Double-Blind Crossover

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