Beetroot Juice Doses and Anaerobic Performance

January 29, 2020 updated by: Dr. Semone Myrie, University of Manitoba

Evaluation of Various Doses of Beetroot Juice on Anaerobic Performance

The purpose of this study is to examine the effect of varying nitrate doses of beetroot juice supplementation on dynamic, multijoint resistance exercise performance in active, trained individuals. Performance will be assessed based on parameters including neuromuscular efficiency, anaerobic performance capability, oxygen consumption, plasma nitrate/nitrite levels, specific muscle tissue biomarkers including lactate, and anthropometric measurements of select muscle groups.

Study Overview

Status

Completed

Conditions

Intervention / Treatment

Study Type

Interventional

Enrollment (Actual)

13

Phase

  • Not Applicable

Contacts and Locations

This section provides the contact details for those conducting the study, and information on where this study is being conducted.

Study Locations

  • Canada
    • Manitoba
      • Winnipeg, Manitoba, Canada, R3T 6C5
        • Richardson Centre for Functional Foods and Nutraceuticals

Participation Criteria

Researchers look for people who fit a certain description, called eligibility criteria. Some examples of these criteria are a person's general health condition or prior treatments.

Eligibility Criteria

Ages Eligible for Study

18 years to 35 years (ADULT)

Accepts Healthy Volunteers

Yes

Genders Eligible for Study

Male

Description

Inclusion Criteria:

  • Minimum 6 consecutive months experience in resistance training, engaging at least 2 times per week.
  • Possess sufficient mobility to properly execute movements required in testing protocol

Exclusion Criteria:

  • Usage of any banned dietary supplements or performance enhancing drugs (thermogenics, anabolic steroids, prohormones, etc.)
  • Any physical condition or malady that would impede participant from performing exercise or by doing so, endanger the individual

Study Plan

This section provides details of the study plan, including how the study is designed and what the study is measuring.

How is the study designed?

Design Details

  • Primary Purpose: BASIC_SCIENCE
  • Allocation: RANDOMIZED
  • Interventional Model: CROSSOVER
  • Masking: DOUBLE

Arms and Interventions

Participant Group / Arm
Intervention / Treatment
Active Comparator: High Dosage
Subjects will receive approximately 8 mmol of dietary nitrate per day delivered as a commercially available beetroot juice supplement for 7 days.
Dietary supplement: Beet It Sport Shot
Commercially available concentrated beetroot juice supplement intended for athletes.
Active Comparator: Moderate Dosage
Subjects will receive approximately 0.5 mmol of dietary nitrate per day delivered as a commercially available beetroot juice supplement for 7 days.
Dietary supplement: Beet It Sport Shot
Commercially available concentrated beetroot juice supplement intended for athletes.
Placebo Comparator: Placebo
Subjects will receive a placebo beverage containing negligible nitrate for 7 days.
Other: Placebo
Fruit juice cordial containing negligible nitrate

What is the study measuring?

Primary Outcome Measures

Outcome Measure
Measure Description
Time Frame
Muscle activation and fiber recruitment
Time Frame: 5 weeks
Muscle activation/fiber recruitment to be measured in millivolts (mV) using electromyography (EMG) sensor during maximum voluntary contractions (MVC) and compared between study arms.
5 weeks

Secondary Outcome Measures

Outcome Measure
Measure Description
Time Frame
Plasma nitrate/nitrite levels
Time Frame: 5 weeks
Plasma nitrate and nitrite levels will be measured at baseline and after 7 days of supplementation and compared between study arms.
5 weeks
Number of repetitions performed
Time Frame: 5 weeks
Total number of repetitions in each session and number of repetitions performed at each respective % of 1 repetition maximum during each session will be recorded and compared between study arms.
5 weeks
Oxygen consumption
Time Frame: 5 weeks
Total oxygen consumption during testing sessions will be recorded and compared between study arms.
5 weeks

Collaborators and Investigators

This is where you will find people and organizations involved with this study.

Sponsor

University of Manitoba

Study record dates

These dates track the progress of study record and summary results submissions to ClinicalTrials.gov. Study records and reported results are reviewed by the National Library of Medicine (NLM) to make sure they meet specific quality control standards before being posted on the public website.

Study Major Dates

Study Start

August 1, 2016

Primary Completion (Actual)

May 1, 2017

Study Completion (Actual)

December 1, 2018

Study Registration Dates

First Submitted

August 5, 2016

First Submitted That Met QC Criteria

September 27, 2016

First Posted (Estimate)

September 29, 2016

Study Record Updates

Last Update Posted (Actual)

January 31, 2020

Last Update Submitted That Met QC Criteria

January 29, 2020

Last Verified

January 1, 2020

More Information

Terms related to this study

Other Study ID Numbers

  • J2015:108

Plan for Individual participant data (IPD)

Plan to Share Individual Participant Data (IPD)?

NO

This information was retrieved directly from the website clinicaltrials.gov without any changes. If you have any requests to change, remove or update your study details, please contact register@clinicaltrials.gov. As soon as a change is implemented on clinicaltrials.gov, this will be updated automatically on our website as well.

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