Moderate-dose caffeine enhances anaerobic performance without altering hydration status

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dc.authoridMAN, MARIA CRISTINA/0000-0002-7332-1628
dc.authoridALEXE, DAN IULIAN/0000-0002-6396-761X
dc.authoridALEXE, Cristina Ioana/0000-0001-7424-7741
dc.contributor.authorMor, Ahmet
dc.contributor.authorAcar, Kursat
dc.contributor.authorAlexe, Dan Iulian
dc.contributor.authorMor, Hakki
dc.contributor.authorAbdioglu, Mekki
dc.contributor.authorMan, Maria Cristina
dc.contributor.authorKarakas, Fatih
dc.date.accessioned2025-03-23T19:26:30Z
dc.date.available2025-03-23T19:26:30Z
dc.date.issued2024
dc.departmentSinop Üniversitesi
dc.description.abstractThe effects of direct nutritional supplements on athletic performance are still being investigated and arouse curiosity. Only one study in the literature was found that investigated the kicking speed performance of futsal players following low-dose caffeine supplementation (3 mg/kg); thus, the question of whether caffeine supplementation improves kicking speed as well as essential physical parameters in soccer players is still controversial. Therefore, the aim of this study was to determine the effect of caffeine supplementation on vertical jump (VJ), sprint, reaction time, balance, change of direction (COD), and ball-kicking speed in soccer players. In a double-blind, cross-over design, nine moderately trained male soccer players (21.11 +/- 2.02 years, 171.22 +/- 6.14 cm, 71.78 +/- 10.02 kg) consumed caffeine (6 mg/kg) or a placebo 60 min before completing balance, reaction time, vertical jump, agility, 30 m sprint, and ball-kicking speed tests. Greater VJ height (p = 0.01) and power (p = 0.08), and faster completion time according to the Illinois Agility Test (p = 0.08) were found following caffeine supplementation compared to placebo. Elapsed time (p = 0.01), average (p = 0.01) time, and the slowest reaction times (p = 0.016) were significantly reduced after caffeine consumption compared to placebo supplementation. Caffeine intake significantly improved VJ, agility, and reaction time (p < 0.05) but did not affect 30 m sprint, ball-kicking speed, balance, and RPE values in soccer players (p > 0.05). Although non-significant, caffeine intake also improved sprint (0.67%) and ball kicking (2.7%) performance percentages. Also, caffeine consumption did not induce dehydration, and the athletes' body hydration levels were normal. These findings support the use of caffeine supplementation as an effective nutritional ergogenic aid to enhance anaerobic performance, at least for vertical jumps, COD speed, and reaction time, in trained male soccer players.
dc.description.sponsorshipVasile Alecsandri University of Bacau, Romania
dc.description.sponsorshipGreat thanks go to all collaborators and volunteers for their availability and contribution to this study. CA and DA are thankful for the support and assistance provided by the Vasile Alecsandri University of Bacau, Romania.
dc.identifier.doi10.3389/fnut.2024.1359999
dc.identifier.issn2296-861X
dc.identifier.pmid39050139
dc.identifier.scopus2-s2.0-85199148162
dc.identifier.scopusqualityQ2
dc.identifier.urihttps://doi.org/10.3389/fnut.2024.1359999
dc.identifier.urihttps://hdl.handle.net/11486/4709
dc.identifier.volume11
dc.identifier.wosWOS:001274377200001
dc.identifier.wosqualityQ2
dc.indekslendigikaynakWeb of Science
dc.indekslendigikaynakScopus
dc.indekslendigikaynakPubMed
dc.language.isoen
dc.publisherFrontiers Media Sa
dc.relation.ispartofFrontiers in Nutrition
dc.relation.publicationcategoryMakale - Uluslararası Hakemli Dergi - Kurum Öğretim Elemanı
dc.rightsinfo:eu-repo/semantics/openAccess
dc.snmzKA_WOS_20250323
dc.subjectsports nutrition
dc.subjectsupplements
dc.subjectergogenic aid
dc.subjectsoccer
dc.subjectcaffeine
dc.titleModerate-dose caffeine enhances anaerobic performance without altering hydration status
dc.typeArticle

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