Outcome
    Moderate Evidence

    Citicoline (CDP-Choline) for Synaptic Plasticity

    Citicoline supports membrane phospholipid synthesis with modest cognitive trial support.

    Overview

    Citicoline supports membrane phospholipid synthesis with modest cognitive trial support.

    Verdict

    Insufficient evidence

    How It Works

    Provides choline and cytidine for phosphatidylcholine synthesis in neuronal membranes and synapses.

    Dosing & Protocol

    Typical dose

    Recommended dose
    250-500mg/day
    Expected timeframe
    8-12 weeks

    Protocol

    studied dose
    250-500 mg/day, with higher doses used in post-stroke rehabilitation research
    evidence note
    Verdict is insufficient - plasticity-specific endpoints were never directly measured
    what happened
    Randomised trials show improved attention and memory measures in older adults and after stroke, but synaptic plasticity itself was not assessed. The mechanism - supplying cytidine and choline for membrane phospholipid synthesis - is plausible and remains unproven as a human outcome
    if you still trial it
    250-500 mg each morning with food alongside a structured learning or rehabilitation programme
    what genuinely drives synaptic change
    Repeated skill practice, aerobic exercise and deep sleep

    Evidence

    What the studies say

    Randomised trials show improved attention and memory measures in older adults and after stroke. Plasticity-specific endpoints are not directly measured.

    Citicoline and membrane phospholipid synthesis in the human brain: a review

    Score: 5/10
    2009
    systematic_review

    Wurtman RJ, Cansev M, Ulus IH

    Citicoline increased brain phosphatide levels and dendritic spine density

    View source

    Safety

    Caveats

    Cognitive benefits are modest and clearest in impaired populations.

    Less likely to help if

    Anyone expecting a measurable plasticity outcome, and people without a concurrent learning or rehabilitation stimulus.

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