Citicoline
TL;DR
Naturally occurring brain compound that provides both choline and cytidine. Supports cell membrane synthesis and neurotransmitter production. Better studied for stroke recovery and cognitive function than most nootropics.
Safety: Excellent. Very well-tolerated. Rare insomnia, headache. Long safety track record in clinical use.
Cost: approximately $15-25/month.
Best for: Cognitive decline
What the research says
Multiple trials for cognitive function, particularly memory and attention. Studied for stroke recovery. Cognizin brand has the strongest data. May support brain cell membrane integrity.
Some evidence for improved retinal function and visual pathway support. Mechanism via cell membrane phospholipid synthesis. Limited AMD-specific data.
Citicoline on Amazon
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Safety & practical info
Very well-tolerated. Rare insomnia, headache. Long safety track record in clinical use.
No clinically meaningful drug interactions. Compatible with most medications.
Moderate cost. Cognizin is the most studied brand.
Sources for this page include published meta-analyses, systematic reviews, and NIH dietary supplement fact sheets. All claims reflect the evidence as of early 2026.
This is not medical advice. Consult your healthcare provider before starting any supplement, especially if you take medications.