Beetroot Juice Doses and Anaerobic Performance

NCT02919254 | Completed

• 1 other identifier: J2015:108
• Study Type: interventional
• Target: 13
• Locations: 1 country
• Sites: 1

Brief Summary

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.

Conditions

Anaerobic Exercise; Dietary Supplementations

Outcome Measures

Primary Outcomes (1)

• Muscle activation and fiber recruitment

  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 Outcomes (3)

• Plasma nitrate/nitrite levels

  5 weeks

• Number of repetitions performed

  5 weeks

• Oxygen consumption

  5 weeks

Study Arms (3)

High Dosage

ACTIVE COMPARATOR

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

Moderate Dosage

ACTIVE COMPARATOR

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

Placebo

PLACEBO COMPARATOR

Subjects will receive a placebo beverage containing negligible nitrate for 7 days.

Other: Placebo

Interventions

Beet It Sport Shot DIETARY_SUPPLEMENT

Commercially available concentrated beetroot juice supplement intended for athletes.

High Dosage; Moderate Dosage

Placebo OTHER

Fruit juice cordial containing negligible nitrate

Placebo

Eligibility Criteria

• Age: 18 Years - 35 Years
• Sex: male
• Healthy Volunteers: Yes
• Age Groups: Adult (18-64)

You may qualify if:

• 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

You may not qualify if:

• 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

Sponsors & Collaborators

• University of Manitoba: lead

Study Sites (1)

Richardson Centre for Functional Foods and Nutraceuticals

Winnipeg, Manitoba, R3T 6C5, Canada

Location

Study Design

• Study Type: interventional
• Phase: not applicable
• Allocation: RANDOMIZED
• Masking: DOUBLE
• Who Masked: PARTICIPANT, INVESTIGATOR
• Purpose: BASIC SCIENCE
• Intervention Model: CROSSOVER
• Sponsor Type: OTHER
• Responsible Party: PRINCIPAL INVESTIGATOR
• PI Title: Dr. Semone Myrie

Study Record Dates

• First Submitted: August 5, 2016
• First Posted: September 29, 2016
• Study Start: August 1, 2016
• Primary Completion: May 1, 2017
• Study Completion: December 1, 2018
• Last Updated: January 31, 2020

Record last verified: 2020-01

Data Sharing

• IPD Sharing: Will not share

Locations

CA (1)