NutriStack
Citicoline and Donepezil, a synergy.
Citicoline has been studied as an adjunct to acetylcholinesterase inhibitors such as donepezil in Alzheimer's disease. Observational data and a systematic review suggest possible additional benefit for cognition and behavioral symptoms, with generally mild adverse effects. This should be treated as an adjunctive dementia-care option, not a replacement for donepezil or diagnostic follow-up.
One pair, every claim cited. The two substances, the type, the mechanism, the recommendation, and the primary literature.
Same shape as the other 1,729 pairs in the public database.
From the interaction database
What the row says.
Every entry follows the same shape: what is happening, the mechanism, the recommendation, and the primary literature.
At a glance
- Substances
- Citicoline and Donepezil
- Pair type
- Synergy
- Evidence (highest tier)
- Moderate
- Source citations
- 2 sources
- Stack Score effect
- +2 to your Stack Score (per scored synergy row).
- Scope
- Supplement × Prescription
- Last verified
- May 30, 2026
Synergy · Moderate evidence
Synergy
What is happening. Citicoline has been studied as an adjunct to acetylcholinesterase inhibitors such as donepezil in Alzheimer's disease. Observational data and a systematic review suggest possible additional benefit for cognition and behavioral symptoms, with generally mild adverse effects. This should be treated as an adjunctive dementia-care option, not a replacement for donepezil or diagnostic follow-up.
Mechanism. Donepezil inhibits acetylcholinesterase, increasing synaptic acetylcholine. Citicoline supplies cytidine and choline for phosphatidylcholine synthesis and cholinergic membrane support, giving a mechanism-distinct cognitive adjunct rather than a chelation or metabolism interaction.
Recommendation. Consider citicoline only as an add-on after discussing it with the clinician managing dementia therapy. Monitor for headache, excitability, stomach upset, sleep change, or worsening confusion after starting it. Do not change donepezil dosing on your own.
Sources (2)
- Gareri P, Castagna A, Cotroneo AM, Putignano D, Conforti R, Santamaria F, et al. The Citicholinage Study: Citicoline Plus Cholinesterase Inhibitors in Aged Patients Affected with Alzheimer's Disease Study. J Alzheimers Dis. 2017;56(2):557-565. PMID 28035929
- Piamonte BLC, Espiritu AI, Anlacan VMM. Effects of Citicoline as an Adjunct Treatment for Alzheimer's Disease: A Systematic Review. J Alzheimers Dis. 2020;76(2):725-732. PMID 32538854
Stack Score
How this pair moves the number.
Effect on the composite score
If both Citicoline and Donepezil are in the same stack, this pair applies +2 to your Stack Score (per scored synergy row).
The full algorithm, the clamping rules, and four worked stacks are documented at /methodology/stack-score.
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