Beta-alanine Supplementation and CrossFit Performance

Study Results

Results pending

The study team has not published outcome measurements, participant flow, or safety data for this trial yet. Check back later for updates.

Basic Information

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Recruitment Status

COMPLETED

Clinical Phase

NA

Total Enrollment

12 participants

Study Classification

INTERVENTIONAL

Study Start Date

2023-03-15

Study Completion Date

2023-08-31

Brief Summary

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This study will randomize CrossFit participants to receive beta-alanine or placebo supplementation for 3 weeks. The study will be double-blind. Performance on the "Fran" test will be completed at baseline and after the 3 week intervention. Respiratory exchange ratio will also be assessed during the performance test at baseline and after 3 weeks.

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Supplementation Sport

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Detailed Description

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Beta-alanine is a nutritional supplement often consumed by people involved in high-intensity sports that involve substantial lactic acidosis. If consumed on a regular basis, it improves muscle buffering capacity and exercise performance during high-intensity moderate-duration events. CrossFit involves competitions that are high in intensity and moderate duration and many elite CrossFit athletes have reported taking beta-alanine as a supplement. It has never however been evaluated in a research study for its affect on CrossFit performance. The purpose of the study is therefore to assess the effects of beta-alanine supplementation on CrossFit performance. A maximum of 30 CrossFit participants will participate in this randomized double-blind parallel groups study. Participants will be randomized to receive 6.4 g/d beta-alanine or maltodextrin placebo for 3 weeks. At baseline and after the intervention, participants will complete a "Fran" test, which involves performing sets of repeated dumbbell thrusters alternating with chin-ups. The performance measure is the time to complete the test. During the test, respiratory exchange ratio will be assessed to indirectly assess acidosis.

Conditions

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Exercise-Induced Lactic Acidemia

Study Design

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Allocation Method

RANDOMIZED

Intervention Model

PARALLEL

Primary Study Purpose

TREATMENT

Blinding Strategy

TRIPLE

Participants Investigators Outcome Assessors

Study Groups

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Beta-alanine

Beta-alanine to be given for three weeks

Group Type EXPERIMENTAL

Beta-alanine

Intervention Type DIETARY_SUPPLEMENT

Beta-alanine

Maltodextrin

Placebo to be given for three weeks

Group Type PLACEBO_COMPARATOR

Maltodextrin

Intervention Type DIETARY_SUPPLEMENT

Maltodextrin

Interventions

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Beta-alanine

Intervention Type DIETARY_SUPPLEMENT

Maltodextrin

Intervention Type DIETARY_SUPPLEMENT

Eligibility Criteria

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Inclusion Criteria

* Minimum of one year of CrossFit experience and doing CrossFit training at least twice a week

Exclusion Criteria

* Having consumed beta-alanine in the past six months
* Having changed the dose of any other nutritional supplement within the past month
* Having suffered a major physical injury in the past six months

Minimum Eligible Age

18 Years

Eligible Sex

ALL

Accepts Healthy Volunteers

Yes