Tuncer, S. Y., Ozdenk, S, Yildirim, U. C., Erkan, D, Sari, C, Gundem, M. C., Sar, H, Yilmaz, B, Karakulak, I & Akca, F. (2026). Acute effects of combined and isolated caffeine and theanine supplementation on physical and cognitive performance in competitive athletes: A randomized, double-blind, placebo-controlled crossover study. Frontiers in Nutrition, 12 , 1751673. Zugriff am 18.02.2026 unter https://doi.org/10.3389/fnut.2025.1751673
APA-Zitierstil (7. Ausg.)Tuncer, S. Y., Ozdenk, S., Yildirim, U. C., Erkan, D., Sari, C., Gundem, M. C., . . . Akca, F. (2026). Acute effects of combined and isolated caffeine and theanine supplementation on physical and cognitive performance in competitive athletes: A randomized, double-blind, placebo-controlled crossover study. Frontiers in Nutrition, 12, 1751673.
Chicago-Zitierstil (17. Ausg.)Tuncer, S. Y., et al. "Acute Effects of Combined and Isolated Caffeine and Theanine Supplementation on Physical and Cognitive Performance in Competitive Athletes: A Randomized, Double-blind, Placebo-controlled Crossover Study." Frontiers in Nutrition 12 (2026): 1751673.
MLA-Zitierstil (9. Ausg.)Tuncer, S. Y., et al. "Acute Effects of Combined and Isolated Caffeine and Theanine Supplementation on Physical and Cognitive Performance in Competitive Athletes: A Randomized, Double-blind, Placebo-controlled Crossover Study." Frontiers in Nutrition, vol. 12, 2026, p. 1751673.