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Effects of Isotonic Beetroot Supplementation on Sprint Interval Exercise Performance

NCT06349018 · Status: COMPLETED · Phase: NA · Type: INTERVENTIONAL · Enrollment: 24

Last updated 2025-04-13

No results posted yet for this study

Summary

This study aims to examine the effects of dietary nitrate supplementation via beetroot juice on sprint interval cycling exercise performance. Twenty-four participants (male or female) will undertake a randomized, crossover trial where they consume either (i) an isotonic beetroot juice drink containing nitrate (12.9 mmol) for 5 days or (ii) an isotonic sports drink (no nitrate) for 5 days. On Day 5 of each trial, participants will come to the laboratory and 2 hours after consuming their allocated drink will complete a 6 bouts of sprint interval exercise. Power output during cycling will be measured as the primary outcome measure. Salivary and plasma measures of nitrate and nitrite will be taken over the course of the morning on Day 5. After a 5-day washout period participants will crossover and begin their second trial.

Conditions

  • Exercise Performance

Interventions

OTHER

Dietary Supplement: High nitrate isotonic drink

High nitrate (12.9 mmol) drink with carbohydrate and minerals

OTHER

Dietary Supplement: No nitrate isotonic drink

Carbohydrate and mineral isotonic drink

Sponsors & Collaborators

  • Nanyang Technological University

    lead OTHER

Study Design

Allocation
RANDOMIZED
Purpose
OTHER
Masking
DOUBLE
Model
CROSSOVER

Eligibility

Min Age
21 Years
Max Age
40 Years
Sex
ALL
Healthy Volunteers
Yes

Timeline & Regulatory

Start
2024-02-20
Primary Completion
2024-05-31
Completion
2024-05-31

Countries

  • Singapore

Study Locations

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Read the full study record

This page highlights key information. For complete eligibility criteria, study locations, investigator contacts, and the full protocol, visit the original record on ClinicalTrials.gov.

View NCT06349018 on ClinicalTrials.gov