# Influence of Caffeinated and Non-caffeinated Pre-workout Supplements on Resistance Exercise Performance

> **NCT04712578** · NA · COMPLETED · sponsor: **Texas Tech University** · enrollment: 24 (actual)

## Conditions studied

- Resistance Training
- Caffeine
- Dietary Supplements

## Interventions

- **DIETARY_SUPPLEMENT:** Caffeinated pre-workout supplement
- **DIETARY_SUPPLEMENT:** Non-caffeinated pre-workout supplement
- **DIETARY_SUPPLEMENT:** Placebo

## Key facts

- **NCT ID:** NCT04712578
- **Lead sponsor:** Texas Tech University
- **Sponsor class:** OTHER
- **Phase:** NA
- **Study type:** INTERVENTIONAL
- **Status:** COMPLETED
- **Start date:** 2021-02-23
- **Primary completion:** 2021-05-11
- **Final completion:** 2021-05-11
- **Target enrollment:** 24 (ACTUAL)
- **Last updated:** 2021-06-03

## Collaborators

- [object Object]

## Primary source

ClinicalTrials.gov registry: https://clinicaltrials.gov/study/NCT04712578

## Citation

> US National Library of Medicine, ClinicalTrials.gov registration NCT04712578, "Influence of Caffeinated and Non-caffeinated Pre-workout Supplements on Resistance Exercise Performance". Retrieved via AI Analytics 2026-06-02 from https://api.ai-analytics.org/clinical/NCT04712578. Licensed CC0.

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