NCT06073275

Effects of Beetroot Juice Intake on Performance and Physiological Parameters

Effects of Acute Beetroot Juice Intake on Performance, Maximal Oxygen Uptake, and Ventilatory Efficiency in Well-trained Master Rowers: A Randomized, Double-blinded Crossover Study

• Status: Completed
• Phase: N/A
• Study type: Interventional
• Enrollment: 10 (actual)
• Sponsor: Campus docent Sant Joan de Déu-Universitat de Barcelona · Academic / Other
• Sex: Male
• Age: 30 Years
• Healthy volunteers: Accepted

Summary

This study was a randomized, double-blind, crossover design for 3 weeks. In the first week, a researcher explained all the experimental procedures to the participants. In the following two weeks, the participants attended the Exercise Physiology laboratory to be assessed in 2 rowing ergometer sessions, separated from each other by a washout period of 7 days, under the same environmental conditions. In both strictly identical sessions, the participants randomly ingested beetroot juice (BRJ) or placebo (PL) 3 hours before the start of the tests.

Detailed description

Three hours after BRJ or PL intake, the participants began the 2,000-meter rowing ergometer test. Before starting (pretest) and at the end of the tests (posttest), blood oxygen saturation, rating of perceived exertion (RPE), and blood lactate measurements were taken. During the rowing ergometer tests, performance parameters and cardiorespiratory variables were recorded.

Conditions

• Pulmonary Function
• Nutrition, Healthy

Interventions

Type	Name	Description
DIETARY_SUPPLEMENT	Beetroot juice ingestion	Beetroot juice ingestion was randomly administered 3 h before the start of the test to the participants in two assessment sessions with a one-week washout between both sessions.
DIETARY_SUPPLEMENT	Placebo ingestion	Placebo ingestion was randomly administered 3 h before the start of the test to the participants in two assessment sessions with a one-week washout between both sessions.

Timeline

• Start date: 2018-11-01
• Primary completion: 2019-01-31
• Completion: 2019-02-26
• First posted: 2023-10-10
• Last updated: 2023-10-10

Locations

1 site across 1 country: Spain