Caffeine habituation.
Conditions
Interventions
Intervention 1: The first intervention group included the caffeine consumption group, which consumed caffeine supplement (3 mg/kg/day) for 8 weeks. Intervention 2: The second intervention group includ
Sponsors
Islamic Azad University
Eligibility
Sex/Gender
Male
Age
19 Years to 23 Years
Inclusion criteria
Inclusion criteria: Healthy Not consuming caffeine Physically inactive Non-smoker and non-alcoholic
Exclusion criteria
Exclusion criteria: Not taking any medicine or supplement Smoker and alcoholic Caffeine users Physically active
Design outcomes
Primary
| Measure | Time frame |
|---|---|
| Caffeine habituation. Timepoint: Before starting the intervention (pre-test), After 4 weeks of intervention (mid-test), After 8 weeks of intervention (post-test). Method of measurement: By food frequency questionnaire.;Training adaptations. Timepoint: Before starting the intervention (pre-test), After 4 weeks of intervention (mid-test), After 8 weeks of intervention (post-test). Method of measurement: Power outputs (The 30 s Wingate Anaerobic Power Test) - Aerobic endurance (The 3-km running time-trial performance ) - Body composition (InBody 970 Body Composition Analyzer).;Effect of caffeine withdrawal after the 8-week supplementation on caffeine ergogenicity. Timepoint: After one week of caffeine withdrawal (delayed post-test). Method of measurement: Anaerobic power response in the 30-second Wingate test at delayed post-test and comparison with post-test scores, Aerobic endurance response in the 3 km running performance at delayed post-test and comparison with post-test scores. | — |
Countries
Turkey
Contacts
Public ContactDavar Khodadadi
Islamic Azad University
Outcome results
None listed