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 (7th ed.) CitationTuncer, 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 Style (17th ed.) CitationTuncer, 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 (9th ed.) CitationTuncer, 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.