NCT05209022

Brief Summary

Beetroot juice is a dietary supplement with good evidence for improving sports performance in different sport contexts, however, the evidence about the effects of beetroot juice in jump capacity is unclear. Thus, the aim of this study was to conduct a comprehensive examination of beetroot juice effects on vertical jump performance

Trial Health

87
On Track

Trial Health Score

Automated assessment based on enrollment pace, timeline, and geographic reach

Enrollment
19

participants targeted

Target at below P25 for not_applicable

Timeline
Completed

Started May 2019

Shorter than P25 for not_applicable

Geographic Reach
1 country

1 active site

Status
completed

Health score is calculated from publicly available data and should be used for screening purposes only.

Trial Relationships

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Study Timeline

Key milestones and dates

Study Start

First participant enrolled

May 20, 2019

Completed
1 month until next milestone

Primary Completion

Last participant's last visit for primary outcome

June 20, 2019

Completed
Same day until next milestone

Study Completion

Last participant's last visit for all outcomes

June 20, 2019

Completed
2.6 years until next milestone

First Submitted

Initial submission to the registry

January 14, 2022

Completed
12 days until next milestone

First Posted

Study publicly available on registry

January 26, 2022

Completed
Last Updated

January 26, 2022

Status Verified

January 1, 2022

Enrollment Period

1 month

First QC Date

January 14, 2022

Last Update Submit

January 14, 2022

Conditions

Dietary Supplements

Outcome Measures

Primary Outcomes (3)

  • Jump height

    Maximal jump height using a force platform

    72-hours

  • Peak Power

    Maximal peak power obtained using a force platform

    72-hours

  • Average power

    Average power obtained using a force platform

    72-hours

Secondary Outcomes (2)

  • Peak velocity

    72-hours

  • Phase durations

    72-hours

Study Arms (2)

Beetroot supplementation

EXPERIMENTAL

One serving 140 mL of beetroot juice (12.8 mmol of NO3-; Beet-It-Pro Elite Shot, James White Drinks Ltd., Ipswich, UK) after an overnight fast and 3 h before initiating the testing session.

Dietary Supplement: Beetroot juice

Placebo supplementation

PLACEBO COMPARATOR

One serving of beetroot juice depleted in NO3- (0.08 mmol of NO3-) as placebo (Beet It; James White Drinks Ltd, Ipswich, UK) after an overnight fast and 3 h before initiating the testing session.

Dietary Supplement: Beetroot juice

Interventions

Beetroot juiceDIETARY_SUPPLEMENT

140 mL of beetroot juice or beetroot juice placebo

Beetroot supplementationPlacebo supplementation

Eligibility Criteria

Age18 Years - 35 Years
Sexmale(Gender-based eligibility)
Healthy VolunteersYes
Age GroupsAdult (18-64)

You may qualify if:

  • Experience in resistance training (at least 18 months of three weekly sessions).
  • A one-repetition maximum weight (1 RM) higher than bodyweight in the bench press and of 1.5 of body weight in squat exercise No sports supplement was taken in the previous three months No smoking. No cardiovascular, pulmonary or neurological disease. To not be considered an elite athlete.

You may not qualify if:

  • Age \<18 year or \> 35 years.

Contact the study team to confirm eligibility.

Sponsors & Collaborators

Study Sites (1)

Universidad Francisco de Vitoria

Madrid, 28223, Spain

Location

Study Design

Study Type
interventional
Phase
not applicable
Allocation
RANDOMIZED
Masking
QUADRUPLE
Who Masked
PARTICIPANT, CARE PROVIDER, INVESTIGATOR, OUTCOMES ASSESSOR
Masking Details
Quadruple (Participant, Care Provider, Investigator, Outcomes Assessor)
Purpose
TREATMENT
Intervention Model
PARALLEL
Sponsor Type
OTHER
Responsible Party
SPONSOR

Study Record Dates

First Submitted

January 14, 2022

First Posted

January 26, 2022

Study Start

May 20, 2019

Primary Completion

June 20, 2019

Study Completion

June 20, 2019

Last Updated

January 26, 2022

Record last verified: 2022-01

Data Sharing

IPD Sharing
Will not share

Locations

ES(1)