guarana and Improved Attention Span

• Cognitive effects of guarana supplementation with maximal intensity cycling.

  • 2022-09-23
  • RCT
  • The British journal of nutrition 130(2)
  • • Tom Gurney
    • Naomi Bradley
    • Dionisio Izquierdo
    • Flaminia Ronca

  • PubMed: 36146946
  • DOI: 10.1017/s0007114522002859

  6 Insights on

  • Improved Attention Span

  • High evidence

  Alertness scores significantly improved following guarana supplementation (63·3 (sd 13·8)) in comparison with placebo (57·4 (sd 13·4), P = 0·014)

  Effect

  Beneficial

  Effect size

  Small

  Significant

  Yes

  Dose

  125 mg/kg