✓ No active regulatory warningsFDA MedWatch, EMA EudraVigilance, WHO VigiBase, WADA Prohibited List · 2026-05-29
📰Read the full Citicoline evidence review on GMJ News →Complete clinical article, references and updates on news.gmj.ge. This page is the structured safety summary.⚠ Patient wanting cognitive benefit from choline — citicoline or Alpha-GPC, NOT choline bitartrate (BBB issue) [1]
⚠ Stroke recovery — Rx in Europe; ICTUS subgroup benefit in moderate severity [2]
⚠ 4–12 weeks for cognitive effects [2]
ℹ️ Not obtained from food. Not applicable — this is not obtained from food in meaningful amounts; supplementation is the practical route.
🔬 Lab interpreter
ℹ️ No validated blood test. There is no established laboratory test to assess status or guide dosing for this ingredient. Clinical response and symptoms are the practical guide.
⚕ For professionals — confirm ranges against your local laboratory.
Clinical verdict
Citicoline is the premium brain-choline supplement — crosses BBB, delivers choline + uridine, supports both acetylcholine AND membrane phospholipids. Prescription drug for stroke in Europe/Japan. Superior to choline bitartrate for cognitive applications. Meta-analysis positive for elderly cognition. Well-tolerated [1] [2].
1 How much do I need?
👤 Adults: Specific dosage data under clinical review
👴 Elderly: Specific dosage data under clinical review
🤰 Pregnancy: See guidance
Endogenous compound. Limited supplementation data [1].
👦 Pediatric: See guidance
One ADHD trial in adolescents. Otherwise limited data [2].
🏃 Athletes: Standard dose
⚖️ Obesity: Standard dose
Fat-soluble compounds may require dose adjustment in obesity.
🩺 Renal: Consult specialist
Dose adjustment may be needed in renal impairment.
🌱 Vegan: Standard dose
How to take
🍽 Timing: Morning for cognitive effects [2].
💊 With food: With or without food [1].
🚫 Avoid: No significant contraindications [2].
2 Which form?
| Form | Bioavailability | Vegan | Cost |
|---|---|---|---|
| ['Citicoline (Cognizin)', 'preferred', 'Patented form. 250–500 mg/day. Most studied branded form [2].'] | Standard | Check label | |
| ['Citicoline sodium', 'common', 'Standard pharmaceutical form. 500–2,000 mg/day. Used in European/Japanese trials [2].'] | Standard | Check label |
3 Common questions
Is citicoline better than choline bitartrate? ▼
For brain effects: yes. Citicoline crosses the BBB; choline bitartrate largely does not. Citicoline also provides uridine (from cytidine), which independently supports membrane synthesis [1].
Is citicoline the same as Alpha-GPC? ▼
Both deliver choline to the brain, but through different mechanisms. Citicoline also provides cytidine/uridine. Alpha-GPC has higher choline content per mg. Both are valid choices for brain choline delivery [1].
How long until effects? ▼
4–12 weeks for cognitive improvement in trials [2].
4 Clinical evidence
Strong
Crosses BBB and delivers choline + uridine to brain — established pharmacokinetics [1]. Phospholipid membrane synthesis support — well-established biochemistry [1]. HIGH
Moderate
Cognitive function in elderly: meta-analysis of 14 RCTs (primarily Italian/Japanese) showed improvement in memory, attention, and behavioral ratings [2]. Stroke recovery: ICTUS trial (n=2,298) was negative overall but showed benefit in moderate severity subgroup [2]. Glaucoma: improved retinal function in small trials [2]. ADHD (adolescent): one positive RCT [2]. MODERATE
Insufficient
5 Safety, toxicity & adverse events
Relative
⚠ Concurrent levodopa — may enhance its effect
⚠ Bipolar disorder — theoretical caution
⚠ Pregnancy and lactation — insufficient safety data
🚩 Red flags
● Patient on AChE inhibitors — additive cholinergic effects (monitor) [1]
6 Interactions
Drug interactions
Levodopa Minor (beneficial)
Mechanism: Citicoline may enhance levodopa efficacy through dopamine pathway support. [2]
Effect: Potentially improved PD symptom control. May allow levodopa dose reduction. [2]
Action: Monitor — may be a beneficial interaction [2].
Supplement synergies
Omega-3 DHA · 250–500 mg DHA
DHA for membrane structure + citicoline for membrane synthesis = comprehensive brain support [1].
DHA for membrane structure + citicoline for membrane synthesis = comprehensive brain support [1].
Phosphatidylserine · 100–300 mg PS
Both support neuronal membrane function [1].
Both support neuronal membrane function [1].
7 Regulatory
United States (FDA): GRAS. Dietary supplement (Cognizin) [1].
Europe/Japan: Prescription drug for stroke recovery and cognitive impairment [2].
South Korea: Pharmaceutical and supplement.
8 US supplement products
45
on-market products containing Citicoline (NIH DSLD)
Brands carrying Citicoline (23)
Click a brand to see its Citicoline products.
9 Frequently paired with
10 Cite this page
Vancouver: Pkhakadze G. Citicoline — safety profile [Internet]. Tbilisi: PHIG; 2026 [cited 2026 Aug 15]. Available from: https://supplement.ge/ingredients/citicoline/
APA 7th: Pkhakadze, G. (2026). Citicoline — Safety profile. Public Health Institute of Georgia. https://supplement.ge/ingredients/citicoline/
📋 Editorial information
Author: Prof. G. Pkhakadze, MD, MPH, PhD
Institution: Public Health Institute of Georgia (PHIG)
Affiliation: David Tvildiani Medical University (DTMU)
First published: January 2026
Last reviewed: 2026-05-29
Next review: February 2027
References: 2 cited sources
COI: SupplementIndex receives no funding from supplement manufacturers. All content independently authored by PHIG.
Process: Systematic literature review
📄 License & reuse
Published under Creative Commons Attribution 4.0 International (CC BY 4.0). You may share and adapt for any purpose with attribution.
Pkhakadze G. "Citicoline — Safety Profile." SupplementIndex, PHIG, 2026. https://supplement.ge/ingredients/citicoline/ CC BY 4.0.
GP
Prof. G. Pkhakadze, MD, MPH, PhD
Professor of Public Health · Head of Department, DTMU
Editor-in-Chief, Georgian Medical Journal (ISSN 3088-4322)
Chair, Public Health Institute of Georgia · UEMS Public Health Section
Educational and public health purposes. CC BY 4.0. Consult your healthcare provider before starting any supplement. Corrections: info@accreditation.ge. Publisher: PHIG