The effect of low dose caffeine powder supplementation on serve speed, spike speed, and speed-endurance in elite sitting volleyball players: a randomized double-blind crossover study
The randomized controlled trial was retrospectively registered on 21/06/2025 at ClinicalTrials.gov, under the registration number NCT07056231.
Authors
- Dilara Erkan (ORCID: https://orcid.org/0000-0002-2403-4841)
- Ulaş Can Yıldırım (ORCID: https://orcid.org/0000-0001-7767-8416)
- Ender Eyüboğlu (ORCID: https://orcid.org/0000-0002-0196-1853)
- Selin Yıldırım Tuncer (ORCID: https://orcid.org/0000-0001-6092-2849)
- İzzet Karakulak (ORCID: https://orcid.org/0000-0003-0673-4796)
- Raci Karayiğit (ORCID: https://orcid.org/0000-0001-9058-1918)
- Halit Şar (ORCID: https://orcid.org/0000-0001-9866-5403)
- Azize Bingöl Diedhiou
- Melek Güler (ORCID: https://orcid.org/0000-0001-9707-7271)
- Mehmet Can Gundem (ORCID: https://orcid.org/0009-0009-2944-3714)
Institutions
- Çankaya University (TR)
- Ankara University (TR)
- Mardin Artuklu University (TR)
- Hungarian University of Sports Science (HU)
- Lokman Hekim Üniversitesi (TR)
- State University of Physical Education and Sport (MD)
- Karamanoğlu Mehmetbey University (TR)
- Sinop University (TR)
Publication Details
- Journal
- BMC Sports Science Medicine and Rehabilitation
- Published
- 2025-11-06
- DOI
- https://doi.org/10.1186/s13102-025-01408-8
- Primary Topic
- Coffee research and impacts
- Type
- article
- Field-Weighted Citation Impact
- 0.00