43XP
Reduces tiredness and sleepiness for a few hours, most clearly after poor sleep.
Energy & Performance
Daily Energy & Fatigue
Supplements and protocols ranked by XP
40XP
In women with unexplained fatigue and low-to-borderline iron stores, iron supplementation reduced fatigue more than placebo over four weeks — but the benefit was limited to those with low ferritin.
25XP
Chronic partial sleep restriction produces cumulative daytime fatigue and sleepiness that builds over days and is not fully repaired by a single night of recovery sleep.
Studies1
9XP
May ease mental and physical fatigue in stressed people, from small trials of mixed quality.
