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CDP-Choline (Cytidine Diphosphocholine)

Citicoline

Research reviewed: Up until 03/2026

Citicoline (CDP-Choline (Cytidine Diphosphocholine)) is a dietary supplement with 3 published peer-reviewed studies involving 750 participants, researched for Memory Enhancement, Cognitive Function, Neuroprotection.

3
Studies
750
Participants
1989–2023
Research Span

Evidence at a Glance

Strength is scored by study design, sample size, study type, and outcomes

Overall: Moderate Evidence

Memory Enhancement

Moderate
1 study 0 of 1 positive 100 participants

Cognitive Function

Moderate
1 study 0 of 1 positive 0 participants

Neuroprotection

Moderate
1 study 1 of 1 positive 0 participants

Research Visualised

Visual breakdown of the clinical data.

Study Quality Breakdown

What types of studies were conducted

1/3
Randomised
1/3
Double-Blind
1/3
Placebo-Controlled

Participants Per Study

Larger samples = more reliable results

Study 1 (2021)
100
Study 1 (2023)
0
Study 1 (1989)
0

Research Timeline

When the studies were published

1
1989
1
2021
1
2023

All Studies

Detailed breakdown of each trial. Click to expand.

Memory Enhancement

1

To investigate the effect of citicoline on memory and cognition in healthy older adults with age-associated memory impairment

2021 100 participants 12 weeks 500 mg/day citicoline
Human Study RCT Double-Blind Placebo Mixed

Study Type

Randomized, double-blind, placebo-controlled

Purpose

To investigate the effect of citicoline on memory and cognition in healthy older adults with age-associated memory impairment

Dose

500 mg/day citicoline

Participants

100 healthy older adults (aged 50-85) with AAMI

Duration

12 weeks

Results

Citicoline improved overall memory performance, especially episodic memory, in healthy older males and females with age-associated memory impairment.

How They Measured It

Memory battery, episodic memory tasks

Read full study

Cognitive Function

1

To evaluate effects of citicoline on cognitive functions in various conditions including mild cognitive impairment and dementia

2023 ? participants Various (8-12 weeks typical) 500 mg-1200 mg/day
Human Study Mixed

Study Type

Systematic review and meta-analysis

Purpose

To evaluate effects of citicoline on cognitive functions in various conditions including mild cognitive impairment and dementia

Dose

500 mg-1200 mg/day

Participants

Meta-analysis of multiple RCTs

Duration

Various (8-12 weeks typical)

Results

Systematic review of 7 studies in MCI/Alzheimer's showed positive effect of citicoline on cognitive functions. All studies showed positive effects on cognition.

How They Measured It

Meta-analysis of RCT data, cognitive batteries

Read full study

Neuroprotection

1

To review CDP-choline pharmacology and clinical effects on neurological conditions

1989 ? participants Various Various (500-1200 mg/day typical)
Human Study Mixed

Study Type

Review

Purpose

To review CDP-choline pharmacology and clinical effects on neurological conditions

Dose

Various (500-1200 mg/day typical)

Participants

Various patient populations

Duration

Various

Results

CDP-choline demonstrates neuroprotective effects and improves cognitive function in elderly patients and those with neurological decline.

How They Measured It

Literature review and synthesis

Read full study

Frequently Asked Questions

Common questions about Citicoline research

What does the research say about Citicoline?

There are currently 10 peer-reviewed studies on Citicoline (CDP-Choline (Cytidine Diphosphocholine)), involving 750 total participants. Research covers Cognitive function, Memory, Brain health. The overall evidence strength is rated as Moderate.

How strong is the evidence for Citicoline?

The evidence is currently rated as "Moderate Evidence". This rating is based on study design quality (randomisation, blinding, placebo controls), sample sizes, study types (3 human studies), and reported outcomes.

What health goals has Citicoline been studied for?

Citicoline has been researched for: Cognitive function, Memory, Brain health. Each area has its own body of evidence which you can explore in the study breakdowns above.

Are the studies on Citicoline based on human trials?

Yes, 3 out of 10 studies are human trials. Human trials carry more weight in our evidence scoring system.