Boxers test supplement combo for edge in the ring
NCT ID NCT07530185
First seen Jun 27, 2026 · Last updated Jul 09, 2026 · Updated 2 times
Summary
This study tests whether taking L-tyrosine and caffeine, alone or together, can improve thinking speed, accuracy, and physical performance in elite boxers. Eighteen male boxers will try each supplement and a placebo in random order, with a break between sessions. Researchers will measure reaction times, brain chemicals, and stress markers before and after exercise.
What this could mean
Our plain-language read of the trial. This is informational only — not medical advice or a prediction.
- Active substance
- L-tyrosine and caffeine supplements
- What this could lead to
- If it works, this could point toward a safe way for athletes to boost focus and performance during competition.
- What could go wrong
- This is a very small trial (18 people) in elite male boxers only, so results may not apply to others. Supplements may cause side effects like jitters or stomach upset.
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As listed by the trial registrant
The condition terms exactly as the trial's registrant entered them.
Contacts and locations
Locations
-
Ataturk University Faculty of Sport Sciences
Erzurum, Turkey (Türkiye)
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