A randomized crossover study shows caffeine and paraxanthine affect performance and sleep quality, suggesting new options for athletes.
Paraxanthine may represent a practical option for athletes who prioritize sleep quality or experience sensitivity to caffeine-related sleep disturbances, although further dose‒response studies are required to clarify its ergogenic potential.
No takes yet. Share an insight, caveat, or question.
Diedhiou et al. (2026) studied this question.
Synapse has enriched 5 closely related papers on similar clinical questions. Consider them for comparative context: