Caffeine and baking soda: the surprising gym hack tested

NCT ID NCT06714331

Completed Knowledge-focused Sponsor: Memorial University of Newfoundland Source: ClinicalTrials.gov ↗

First seen Jun 26, 2026 · Last updated Jun 27, 2026 · Updated 1 time

Summary

This study looked at whether taking caffeine and sodium bicarbonate (baking soda) before exercise helps people do more reps and feel less tired during weight training. Twelve healthy, active adults took the supplements or a placebo and then did bench press and knee extension exercises. Researchers measured repetitions, muscle activity, and fatigue to see if the supplements made a difference.

What this could mean

Our plain-language read of the trial. This is informational only — not medical advice or a prediction.

Active substance: caffeine and sodium bicarbonate supplements
What this could lead to: If it works, this could help athletes and gym-goers improve short-term workout performance with simple supplements.
What could go wrong: This is a very small, early-phase study with only 12 people, so results may not apply to everyone. Supplements can cause side effects like stomach upset or jitters.

This is an AI summary of the original study and may miss details. Read our disclaimer.

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Conditions

The condition(s) this trial relates to.

Fatigue

As listed by the trial registrant

The condition terms exactly as the trial's registrant entered them.

NUTRITIONAL SUPPLEMENTATION RESISTANCE TRAINING

Contacts and locations

Locations

Memorial University of Newfoundland

St. John's, Newfoundland and Labrador, A1C 5S7, Canada

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