Gene test could reveal if caffeine boosts your gym performance
NCT ID NCT06610110
First seen Jun 27, 2026 · Last updated Jun 27, 2026
Summary
This study looked at how a gene called CYP1A2 affects the way caffeine influences strength and power during weightlifting. Sixty healthy, active adults took either caffeine or a placebo before exercise. Researchers measured things like bar speed, power output, and how many reps they could do. The goal was to see if genetic differences explain why some people get a bigger boost from caffeine than others.
What this could mean
Our plain-language read of the trial. This is informational only — not medical advice or a prediction.
Active substance
caffeine
What this could lead to
If successful, this could help personalize caffeine use for better workout performance based on a person's genetics.
What could go wrong
This is a small, completed study focused on acute effects, not a treatment. Results may not apply to everyone or lead to practical changes.
Disclaimer
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This is a summary of
the original study
.
Summaries may miss details or leave out important information. Before applying or accepting participation, make sure you have read and understood the full study. Curemydisease.com takes no responsibility whatsoever for anything missed, misunderstood, or acted upon as a result of our summary — we know it does not capture everything.
This is a summary of the original study . Summaries may miss details or leave out important information. Before applying or accepting participation, make sure you have read and understood the full study. Curemydisease.com takes no responsibility whatsoever for anything missed, misunderstood, or acted upon as a result of our summary — we know it does not capture everything.
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As listed by the trial registrant
The condition terms exactly as the trial's registrant entered them.
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Other studies related to the condition(s) this trial covers.
Contacts and locations
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Locations
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Facultad de Medicina y Ciencias de la Salud. Universidad de Alcalá
Alcalá de Henares, Madrid, 28805, Spain
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Facultad de Medicina y Ciencias de la Salud. Universidad de Alcalá
Alcalá de Henares, Madrid, Spain