Caffeine gum gives volleyball players a jump boost, study finds
Symptom relief
Completed
This study looked at whether chewing caffeinated gum (200 mg caffeine) could help female volleyball players jump higher. Ten professional players from Turkey took part, each trying both the caffeinated gum and a placebo gum on different days. The results showed that the caffeinat…
Phase: NA • Sponsor: Muttalip Ayar • Aim: Symptom relief
Last updated Jun 27, 2026 08:00 UTC