SUMMARY
Purpose. This study aimed to verify and compare the potential acute effects of combined and isolated supplementation of caffeine and capsaicin on the performance and the perceived exertion (RPE) in a session of resistance training (RT).
Methods. Fourteen trained men participated in the study (5.6 ± 3.5 years of experience in RT and weekly training frequency of 5 ± 0.8 days), aged in average 24.8 ± 3.3 years old, with a mean height of 178.6 ± 4.9 cm, and mean total body mass of 82.4 ± 7.1 kg. We applied a randomized, double-blind, crossover, and placebo-controlled experimental design. The volunteers performed the training protocol after consuming the combined supplementation (CAF+CAP) of capsaicin (12 mg) (CAP) and caffeine (CAF) (5 mg × kg-1), in addition consumed them alone. The RT protocol consisted of performing the barbell bench press and incline barbell bench press exercises, with 70% of 1RM until concentric muscle failure. The intervals adopted were 90 and 120 seconds between sets and exercises, respectively. The maximum number of repetitions (MNR), total volume (repetitions × mass lifted), and the RPE in the sessions were registered and compared.
Results. One-way ANOVA with repeated measures found no statistically significant difference in the means of MNR (p = 0.176), total volume (p = 0.110), and RPE (p = 0.233) between the experimental conditions.
Conclusions. Therefore, combined and isolated caffeine and capsaicin acute supplementation did not improve the upper-body RT performance of trained men. Furthermore, these substances may not attenuate the perception of exertion during RT with maximum repetitions.
Combined Caffeine-Capsaicin Supplementation does not Enhance the Performance of Trained Men in a Resistance Training Session
Vernon Martins da Cruz, Matheus Dias Mendes, Igor César de Souza Fonseca, Rafael Henrique Noqueira, Yves Ferreira Porto, Ronaldo Ângelo Dias da Silva, Marcos Daniel Motta Drummond
Original Article, 645-652
Keywords: Multi-ingredients supplementation, nutritional ergogenic resource, resistance training, sports nutrition, total volume,
Table of Content: Vol. 13 (No.4) 2023 October/December
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Combined Caffeine-Capsaicin Supplementation does not Enhance the Performance of Trained Men in a Resistance Training Session
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