L-Theanine and Reduced Trait Anxiety

• Performance-enhancing effects of caffeine and L-Theanine among Iranian elite wrestlers: a focus on cognitive and specific physical performance.

  • 2025-09-22
  • RCT
  • Journal of the International Society of Sports Nutrition 22(1)
  • • Rouzbeh Razazan
    • Mohammad Hemmatinafar
    • Babak Imanian
    • Nima Jahaniboushehri
    • Rasoul Rezaei
    • Gholamhossein Nazemzadegan

  • PubMed: 40977612
  • DOI: 10.1080/15502783.2025.2564238

  9 Insights on

  • Reduced Trait Anxiety

  • High evidence
  • Athletes

  Trait anxiety was lower in CAF+THE compared to CAF (p = 0.018).

  Effect

  Beneficial

  Effect size

  Moderate

  Significant

  Yes

  Dose

  3 mg/kg