Attention: How diet, lifestyle, and supplements may provide benefits.

Examine Database: Attention

Intervention	Grade	Evidence	Effect
Tea (Camellia sinensis)	B	Participants: 4	Small Improvement
Bacopa Monnieri	D	Participants: 645	No effect
Omega-3 Fatty Acids	D	Participants: 2794	No effect
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Theanine		Participants: 236
Soy Isoflavones		Participants: 1386
Creatine		Participants: 211
Caffeine		Participants: 211
Ginkgo Biloba		Participants: 308
L-Tyrosine		Participants: 90
Cannabis		Participants: 207
Binaural Beats		Participants: 131
L-Carnitine		Participants: 413
Probiotics		Participants: 402
Rhodiola Rosea		Participants: 150
Phosphatidylserine		Participants: 216
Iron		Participants: 339
Fish Oil		Participants: 252
Cocoa Extract		Participants: 178
Mindfulness		Participants: 92
Panax Ginseng (Korean Ginseng)		Participants: 82
Ashwagandha		Participants: 110
Grape Juice		Participants: 20
Ketogenic Diet		Participants: 10
Black seed		Participants: 40
Gotu Kola		Participants: 33
Saffron		Participants: 54
Peppermint		Participants: 144
D-Serine		Participants: 35
Pycnogenol		Participants: 53
Red Clover Extract		Participants: 28
Nicotine		Participants: 18
Cannabidiol (CBD)		Participants: 60
Melatonin		Participants: 50
CDP-Choline		Participants: 60
Lemon Balm		Participants: 20
Blueberry		Participants: 553
Kudzu		Participants: 127
S-adenosylmethionine		Participants: 46

B