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Related Experiment Video

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A single dose multi-ingredient pre-workout supplement enhances upper body resistance exercise performance.

Kyle S Beyer1, Max Gadsden1, Patrick Patterson-Zuber1

  • 1Resistance Exercise, Physiology, and Sport Laboratory, Department of Health and Exercise Physiology, Ursinus College, Collegeville, PA, United States.

Frontiers in Nutrition
|February 7, 2024
PubMed
Summary

This study found that a multi-ingredient pre-workout supplement (MIPS) improved upper body exercise performance and reduced perceived exertion. Athletes experienced enhanced power output and completed more repetitions when using MIPS compared to a placebo.

Keywords:
dietary supplementmuscle endurancepowerreaction timeresistance training

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Area of Science:

  • Exercise Physiology
  • Sports Nutrition
  • Nutritional Biochemistry

Background:

  • Multi-ingredient pre-workout supplements (MIPS) are widely used to enhance exercise performance and training adaptations.
  • The effectiveness of MIPS varies based on their ingredient composition, necessitating research into novel formulations.
  • Understanding the acute effects of specific MIPS formulations on resistance exercise is crucial for optimizing athletic performance.

Purpose of the Study:

  • To evaluate the impact of a specific, commercially available multi-ingredient pre-workout supplement (MIPS) on upper body resistance exercise performance.
  • To assess changes in key performance indicators and subjective measures following acute MIPS ingestion.

Main Methods:

  • A double-blind, placebo-controlled, crossover study involving twenty resistance-trained participants (10 men, 10 women).
  • Participants completed an upper body resistance exercise protocol after ingesting either MIPS or a placebo (PLA).
  • Measurements included reaction time, bench press peak power, repetitions completed, rating of perceived exertion (RPE), and perceived recovery.

Main Results:

  • Significant improvements were observed in reaction time (p < 0.001) and bench press peak power (p = 0.026) with MIPS compared to PLA.
  • Participants completed significantly more repetitions during the MIPS trial (96.90 ± 21.31) versus the PLA trial (89.50 ± 18.37; p = 0.003).
  • Overall session RPE was significantly lower with MIPS (7.6 ± 1.2) compared to PLA (8.3 ± 0.9; p = 0.002), indicating reduced perceived exertion.

Conclusions:

  • Acute supplementation with the tested MIPS formulation demonstrated an ergogenic benefit, enhancing upper body resistance exercise performance.
  • The MIPS product effectively reduced perceived exertion during the exercise protocol.
  • Further investigation into the effects of chronic MIPS supplementation is warranted to explore long-term performance adaptations.