← Back
3Medicinal

Citicoline

Also sold as CDP-choline, Cognizin

Used for attention and post-stroke cognitive recovery.

3TrustedSupp Tier System™ · Tier 3Take as a defined course

How long to take it

Course-based, eight to twelve weeks.

Who it's actually for

Attention support and clinical cognitive recovery.

Safe upper limit

Unverified
No formal limit; 250–2,000 mg daily in trials
Well tolerated. Headache and insomnia at higher doses.
No source attached yet. Treat this as a starting point, not a citation, until reviewed.

Interactions to know about

  • Parkinson's medication — Levodopa / carbidopa

Other supplements:

Run your full list through the interaction check.

Practical notes

  • Better human evidence than most nootropics, though still modest.
  • Counts toward your total choline intake.