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Beetroot Juice as a Potential Ergogenic Aid During Exercise in Hypoxia

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ClinicalTrials.gov Identifier: NCT01795534
Recruitment Status : Completed
First Posted : February 20, 2013
Results First Posted : April 6, 2015
Last Update Posted : July 19, 2017
Sponsor:
Information provided by (Responsible Party):
Bangor University

Study Description
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Brief Summary:
The study will aim to describe and evaluate the effect of beetroot juice supplementation upon whole body running exercise at altitude. It is hypothesised that beetroot supplementation will decrease time to complete a 10 km time trial.

Condition or disease Intervention/treatment Phase
Hypoxia Dietary Supplement: Beetroot shot then placebo shot Dietary Supplement: Placebo shot then beetroot shot Not Applicable

Study Design
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Study Type : Interventional  (Clinical Trial)
Actual Enrollment : 10 participants
Allocation: Randomized
Intervention Model: Crossover Assignment
Masking: Triple (Participant, Investigator, Outcomes Assessor)
Primary Purpose: Other
Official Title: Beetroot Juice as a Potential Ergogenic Aid During Exercise in Hypoxia
Study Start Date : February 2013
Actual Primary Completion Date : September 2013
Actual Study Completion Date : September 2013
Arms and Interventions
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Arm Intervention/treatment
Experimental: Beetroot shot then placebo shot

Intervention: Participants will first consume a Beetroot shot: 1x70ml concentrated NO-3 shot of rich Beetroot juice (~7mmol nitrate) (Beet It, James White Drinks Ltd, Ipswich, UK).

Following a four day wash out, participants will then consume a Nitrate-depleted beetroot shot: 1x70ml nitrate-depleted beetroot Placebo shot (~0.003mmol of nitrate)(Beet It, James White Drinks Ltd, Ipswich, UK)

 Dietary Supplement: Beetroot shot then placebo shot
Beetroot shot, four day wash out, then placebo shot
Placebo Comparator: Placebo shot then beetroot shot

Intervention: Participants will first consume a Nitrate-depleted beetroot shot: 1x70ml nitrate-depleted beetroot Placebo shot (~0.003mmol of nitrate)(Beet It, James White Drinks Ltd, Ipswich, UK).

Following a four day wash out, participants will then consume a Beetroot shot: 1x70ml concentrated NO-3 shot of rich Beetroot juice (~7mmol nitrate) (Beet It, James White Drinks Ltd, Ipswich, UK).

 Dietary Supplement: Placebo shot then beetroot shot
Placebo shot, four day wash out, then beetroot shot


Outcome Measures
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Primary Outcome Measures :
  1. Time to Complete a 10 km Run [ Time Frame: Period 1 (on day of 1st intervention) and period 2 (on day of 2nd intervention) ]
    Time taken following consumption of beetroot shot or consumption of placebo shot


Eligibility Criteria
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Ages Eligible for Study:   18 Years to 65 Years   (Adult, Older Adult)
Sexes Eligible for Study:   Male
Accepts Healthy Volunteers:   Yes
Criteria

Inclusion Criteria:

- Trained athletes with personal best performances for a 10km run of sub 40 minutes

Exclusion Criteria:

- Unable to give informed consent Unstable medical condition.

Contacts and Locations
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Information from the National Library of Medicine

To learn more about this study, you or your doctor may contact the study research staff using the contact information provided by the sponsor.

Please refer to this study by its ClinicalTrials.gov identifier (NCT number): NCT01795534


Locations
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United Kingdom
Bangor University
Bangor, Gwynedd, United Kingdom, LL57 2PZ
Sponsors and Collaborators
Bangor University
Investigators
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Principal Investigator: Jamie H Macdonald, PhD Bangor University
More Information
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Responsible Party: Bangor University
ClinicalTrials.gov Identifier: NCT01795534    
Other Study ID Numbers: Jan 13
First Posted: February 20, 2013    Key Record Dates
Results First Posted: April 6, 2015
Last Update Posted: July 19, 2017
Last Verified: March 2015
Additional relevant MeSH terms:
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Hypoxia
Signs and Symptoms, Respiratory