The Higher Relative Doses of Acute Capsaicin Supplementation Enhance the Performance of Trained Men in Resistance Training
DOI:
https://doi.org/10.51224/SRXIV.558Keywords:
Supplements, Performance-Enhancing Substances, Strength Training, TRPV Cation ChannelsAbstract
Objectives: This study aims to compare the efficacy of acute capsaicin supplementation on strength tests and psychophysiological parameters using different doses, relative to total body mass. Methods: The sample consisted of 19 male volunteers with a mean age of 23.4±3.2 years. The volunteers consumed either a lower dose of capsaicin (0.15 mg/kg) (LCAP), a higher dose of capsaicin (0.35 mg/kg) (HCAP), or a placebo (PLA). After 45 minutes, the volunteers performed four sets of the back squat exercise. The first set was performed until concentric failure to determine the number of maximum repetitions (NRM). In the following three sets, a maximum of 12 repetitions was performed at an intensity of 70% of 1RM, with a two minute rest between sets. Total volume (TV), movement speed (MS), lactate concentration, and rating of perceived exertion (RPE) were evaluated. Results: The results showed a significant increase in TV with HCAP (p=0.019) compared to LCAP and PLA, while LCAP showed no significant difference compared to PLA (p=1.00). Additionally, there were no changes in MS (p=0.495), lactate concentration (p=0.733), or RPE (p=0.554), regardless of the capsaicin dose. Conclusion: Acute capsaicin supplementation can increase TV, but only at high doses, without causing significant changes in MS, lactate concentration, or RPE.
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References
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