15
Participants
Start Date
May 1, 2023
Primary Completion Date
September 24, 2024
Study Completion Date
September 26, 2024
Intervention 1: Dietary Supplement - Caffeine Supplement
Participants in this group will receive a caffeine supplement (3 mg/kg body weight) taken orally 45 minutes before performance testing. No additional interventions will be administered.
Intervention 2: Dietary Supplement - Caffeine + L-Theanine Supplement
Participants in this group will receive a caffeine supplement (3 mg/kg body weight) along with L-theanine in a 1:2 ratio taken orally 45 minutes before performance testing.
Intervention 3: Dietary Supplement - Caffeine Supplement + Diaphragmatic Breathing Exercises
Participants in this group will receive a caffeine supplement (3 mg/kg body weight) 45 minutes before performance testing, followed by a 10-minute session of diaphragmatic breathing exercises.
Bandirma Onyedi Eylul University, Balıkesir
Hacettepe University
OTHER