Guarana

Attention/RT +8.5%

Fatigue↓; vigilance↑

Attention +5-8%

Reaction time -17 ms

Mental fatigue reduced

Energy/Fatigue: ↓ fatigue

Energy/Fatigue: ↑ endurance

Attention/RT faster -8.5%

Mental fatigue lower

Weight/fat loss −4.0kg

Reduced intake ~17%

Slower emptying, more satiety

−112 kcal intake

Reaction-time gains -17 ms

Agility faster -3.4%

Endurance output +4%

Reaction speed −5%

Agility +3.4%

Decision speed +8.5%

HRV stability, delayed decrease