Assessment of a Pre-Workout Supplement

Not Applicable

Completed

• Conditions: Exercise Ergogenics
• Interventions: Dietary Supplement: Placebo; Dietary Supplement: C4/Generation 4; Dietary Supplement: C450X

• Registration Number: NCT03022604
• Lead Sponsor: Texas A&M University

Brief Summary

This study is assessing the effects of a pre-workout dietary supplement.

Detailed Description

The purpose of this study is to examine the acute effects of a pre-workout dietary supplement at a standard dose and one that is delivered at 150% of the standard dose on energy metabolism, cardiovascular hemodynamics, blood metabolites and mental focus.

Study Timeline

• Study Start: 2015-06
• Primary Completion: 2015-09
• Study Completion: 2015-09
• Status Verified: 2017-01
• Study First Submitted: 2017-01-12
• Study First Submitted QC: 2017-01-12
• Study First Posted: 2017-01-16
• Last Update Submitted: 2017-01-20
• Last Update Posted: 2017-01-24

Recruitment & Eligibility

• Status: COMPLETED
• Sex: All
• Target Recruitment: 19

Inclusion Criteria

• Participants must be apparently healthy males and/or females between the ages of 18 and 40
• Participants must have at least 6 months immediate prior history of resistance training including the bench press and leg press/squat

Exclusion Criteria

• Participants who have a history of treatment for metabolic disease (i.e., diabetes), hypertension, hypotension, thyroid disease, arrhythmias and/or cardiovascular disease
• Participants who currently use any prescription medication
• Participants who are intolerant to caffeine and/or other natural stimulants
• Participants who are pregnant or lactating women
• Participants who have a history of smoking
• Participants who drink excessively (12 drinks per week)

Study & Design

• Study Type: INTERVENTIONAL
• Study Design: CROSSOVER

Arm && Interventions

Group	Intervention	Description
Placebo	Placebo	12 grams of flavored dextrose
C4/Generation 4	C4/Generation 4	12 grams of C4/Generation 4 Extreme
C450X	C450X	12 grams of C4X (150% of regular dose)

Primary Outcome Measures

Name	Time	Method
Effects of a Pre-Workout Dietary Supplement on the Stroop Color and Word Test	Seven Days
Effects of a Pre-Workout Dietary Supplement on the Word Recall Test	Seven Days
Effects of a Pre-Workout Dietary Supplement on VAS Readiness to Perform	Seven Days
Effects of a Pre-Workout Dietary Supplement on anaerobic sprint capacity on a bicycle ergometer	Seven Days
Effects of a Pre-Workout Dietary Supplement on bench press power output	Seven Days
Effects of a Pre-Workout Dietary Supplement on leg press power output	Seven Days
Effects of a Pre-Workout Dietary Supplement on total work on the bench press	Seven Days
Effects of a Pre-Workout Dietary Supplement on total work on the leg press	Seven Days

Secondary Outcome Measures

Name	Time	Method
Effects of a Pre-Workout Dietary Supplement on energy expenditure	Seven Days
Effects of a Pre-Workout Dietary Supplement on blood pressure	Seven Days
Effects of a Pre-Workout Dietary Supplement on heart rate	Seven Days
Effects of a Pre-Workout Dietary Supplement on ECG's	Seven Days
Effects of a Pre-Workout Dietary Supplement on blood lab results	Seven Days