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

Examine Database: Cognition

Intervention	Grade	Evidence	Effect
Prolonged Fasting	D	Participants: 3484	No effect
Omega-3 Fatty Acids	D	Participants: 8511	No effect
Panax Ginseng (Korean Ginseng)	B	Participants: 709	Small Improvement
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Fish Oil		Participants: 1124
Vitamin B12		Participants: 2912
Ginkgo Biloba		Participants: 718
Aerobic Exercise		Participants: 436
Folic Acid (Vitamin B9)		Participants: 823
Chlorogenic Acid		Participants: 243
Cannabis		Participants: 229
Creatine		Participants: 280
Cognitive Stimulation Therapy		Participants: 237
Probiotics		Participants: 419
Curcumin		Participants: 255
Soy Isoflavones		Participants: 1386
Tai Chi		Participants: 8
Red Light Therapy		Participants: 215
Medium-chain Triglycerides		Participants: 236
Alpha-GPC		Participants: 350
Tart Cherry Juice		Participants: 114
Rhodiola Rosea		Participants: 220
D-Serine		Participants: 262
Phosphatidylserine		Participants: 218
L-Carnitine		Participants: 284
Mindfulness		Participants: 254
Glycine		Participants: 28
Green Tea Extract		Participants: 72
Zinc		Participants: 206
Caffeine		Participants: 40
Cocoa Extract		Participants: 5609
Binaural Beats		Participants: 55
Sarcosine		Participants: 98
Black Cohosh		Participants: 66
Kava		Participants: 20
Black seed		Participants: 40
Ashwagandha		Participants: 20
Kanna		Participants: 16
Theanine		Participants: 30
Choline		Participants: 13
Vitamin E		Participants: 820
Pycnogenol		Participants: 53
Resveratrol		Participants: 9
Pramiracetam		Participants: 4
Nicotine		Participants: 67
Piracetam		Participants: 24
Cannabidiol (CBD)		Participants: 60
DHEA		Participants: 225
Guarana		Participants: 20
Spirulina		Participants: 18
Wild Yam		Participants: 28
Kudzu		Participants: 127
Polyphenols		Participants: 5519

Prolonged Fasting

No effect

Omega-3 Fatty Acids

No effect

Panax Ginseng (Korean Ginseng)