Caffeine & Bodybuilding Dehydration Ability

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

14 participants

Study Classification

INTERVENTIONAL

Study Start Date

2024-04-08

Study Completion Date

2024-06-30

Brief Summary

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15-20 trained bodybuilding athletes were divided into caffeine gum trial (CAF) and placebo trial (PL) with a randomized, double-blind study design. The participants chewing either caffeine Gum (CAF trial, containing 5 mg/kg of caffeine) or placebo gum (PL) for 10 minutes. After rested for 15 minutes, Participants used the bicycle to adjust the pedal resistance and speed according to their own feelings until they were dehydrated to 2% of their original body weight.

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Detailed Description

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The purpose of this study was to investigate the effect of caffeinated chewing gum on dehydration ability in bodybuilding athletes. Methods: 15-20 trained bodybuilding athletes were divided into caffeine gum trial (CAF) and placebo trial (PL) with a randomized, double-blind study design. The participants chewing either caffeine Gum (CAF trial, containing 5 mg/kg of caffeine) or placebo gum (PL) for 10 minutes. After rested for 15 minutes, Participants used the bicycle to adjust the pedal resistance and speed according to their own feelings until they were dehydrated to 2% of their original body weight. Record time from exercise to completion of dehydration, heart rate, HRV, energy expenditure, fat oxidation rate and carbohydrate oxidation rate.

Conditions

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Caffeine Placebo

Study Design

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Allocation Method

RANDOMIZED

Intervention Model

CROSSOVER

The participants were divided into caffeine gum trial (CAF) and placebo trial (PL) with a randomized, double-blind study design.

Primary Study Purpose

TREATMENT

Blinding Strategy

SINGLE

Investigators

Using placebo chewing gum

Study Groups

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caffeine gum

Chewing caffeine Gum (CAF trial, containing 5 mg/kg of caffeine) for 10 minutes before test.

Group Type EXPERIMENTAL

caffeine

Intervention Type DIETARY_SUPPLEMENT

The participants chewed either caffeine gum (5 mg/kg for 10 minutes per chew) or a placebo (10 minutes per chew, using regular gum).

placebo

Chewing placebo gum (without caffeine) for 10 minutes before test.

Group Type PLACEBO_COMPARATOR

caffeine

Intervention Type DIETARY_SUPPLEMENT

The participants chewed either caffeine gum (5 mg/kg for 10 minutes per chew) or a placebo (10 minutes per chew, using regular gum).

Interventions

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caffeine

The participants chewed either caffeine gum (5 mg/kg for 10 minutes per chew) or a placebo (10 minutes per chew, using regular gum).

Intervention Type DIETARY_SUPPLEMENT

Other Intervention Names

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plocabo gum

Eligibility Criteria

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Inclusion Criteria

* having won the top 8 places in a national competition,
* having no cardiovascular or joint diseases
* being an adult male

Exclusion Criteria

* no top 8 finishes at national level
* cardiovascular or joint disease, or any other condition that could be impaired by exercise
* female and underage participants
* previous caffeine allergy

Minimum Eligible Age

20 Years

Maximum Eligible Age

40 Years

Eligible Sex

MALE

Accepts Healthy Volunteers

Yes