Evidence-based

Alertness

•Last Updated: October 13, 2024

Alertness is an aspect of wakefulness with hints of attention, and is the ability to interpret and maintain attention on different targets. Supplements that increase alertness tend to be anti-sleep or stimulatory agents.

Last Updated:October 13, 2024

Research Snapshot

2,510 participants in 20 trials

Examine Evidence Grades

BAshwagandha + 1 more

C4 outcomes

D5 outcomes

F2 outcomes

Examine Database: Alertness

Intervention	Grade	Evidence	Effect
Ashwagandha	B	Participants: 170	Small Improvement
Theanine	D	Participants: 86	No effect
Tart Cherry Juice	D	Participants: 77	No effect
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L-Tyrosine		Participants: 23
Lemon Balm		Participants: 33
Creatine		Participants: 22
Grape Juice		Participants: 20
Rhodiola rosea		Participants: 26
Gotu Kola		Participants: 28
Bacopa Monnieri		Participants: 17
Bitter Orange		Participants: 50
Iron		Participants: 294
Melatonin		Participants: 50

Ashwagandha