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The Effect of Dietary Nitrate Supplementation on Linear Running Sprint Performance, Agility and Vertical Jump Performance in a Rested and Fatigued State

NCT03565523 · Status: COMPLETED · Phase: NA · Type: INTERVENTIONAL · Enrollment: 32

Last updated 2018-06-21

No results posted yet for this study

Summary

Dietary nitrate (NO3-) supplementation has been shown to improve skeletal muscle contractility and fatigue resistance, particularly in fast-twitch (type II) muscle fibers. Furthermore, NO3- supplementation has been shown to speed reaction time. Taken together, these findings suggest that NO3- ingestion may be ergogenic during all-out sprint running and reactive agility tasks. Moreover, increasing muscle force production at high contraction speeds would be expected to translate into improved muscle power and, subsequently, improved performance in very explosive forms of exercise, such as vertical jumping. Therefore, the purpose of this investigation is to assess the effect of short term (5 days) NO3- supplementation on linear running sprint performance, reactive agility and vertical jump performance in a rested and fatigued state.

Conditions

  • Exercise Performance

Interventions

OTHER

Beetroot

Containing 385 mg nitrate

OTHER

Placebo beverage

\<0.1 mmol nitrate in sucrose solution with beet coloring

Sponsors & Collaborators

  • PepsiCo Global R&D

    lead INDUSTRY

Principal Investigators

  • Andy Jones, PhD · University of Exeter, Sport and Health Sciences department

Study Design

Allocation
RANDOMIZED
Purpose
BASIC_SCIENCE
Masking
DOUBLE
Model
CROSSOVER

Eligibility

Min Age
18 Years
Max Age
45 Years
Sex
ALL
Healthy Volunteers
Yes

Timeline & Regulatory

Start
2016-09-01
Primary Completion
2017-03-31
Completion
2017-04-30

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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 NCT03565523 on ClinicalTrials.gov