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    CDP-Choline vs Dihexa

    Side-by-side comparison of CDP-Choline and Dihexa: mechanism, half-life, dose range, safety profile, and vendor pricing.

    CDP-Choline from $69.99
    Dihexa from $79.99

    Price snapshot

    CDP-Choline

    Current low
    $69.99
    current listings
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    Dihexa

    Current low
    $79.99
    current listings
    7-day low
    —
    not enough history yet
    30-day low
    —
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    30-day change
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    CDP-Choline

    CDP-choline (cytidine 5'-diphosphocholine, pharmaceutical name citicoline) is a naturally occurring intracellular intermediate in the Kennedy pathway for phosphatidylcholine synthesis — the primary biochemical route by…

    Lowest listed price: $69.99 across 1 listing

    Full CDP-Choline profile

    Dihexa

    Dihexa is a synthetic peptide analogue of the angiotensin IV metabolite LVV-hemorphin-7, developed at Washington State University. It is considered one of the most potent cognitive enhancers ever tested in animal models…

    Lowest listed price: $79.99 across 3 listings

    Full Dihexa profile

    Side-by-side comparison

    Attribute CDP-Choline Dihexa
    Category Nootropic Nootropics
    Research Stage Preclinical Preclinical
    Mechanism of Action CDP-choline operates through a distinctive dual-substrate delivery mechanism that differentiates it from all other cholinergic precursors: oral citicoline is rapidly hydrolyzed to cytidine and choline in the gut, both components are absorbed and cross the… Dihexa is a small-molecule analog derived from angiotensin IV (AngIV). It retains the Tyr-Ile core of Nle1-AngIV, with an N-terminal hexanoic acid cap and a C-terminal 6-aminohexanoic amide that give it metabolic stability and blood-brain-barrier penetration.…
    Half-Life — Not characterized in humans. Dihexa was engineered for metabolic stability (resistant to plasma and enzymatic degradation) and blood-brain-barrier penetration; in preclinical work its central procognitive effects appear to outlast its plasma presence.
    Typical Dose Range — 5 to 40 mg oral per day (anecdotal range; no established human dose)
    Dosing Frequency — Once daily (oral), typically in the morning
    Administration — Oral, Intranasal, Subcutaneous
    Side Effects CDP-choline has one of the most favorable safety profiles of any cognitive-support compound, with decades of European prescription use and extensive global supplement use documenting low rates of adverse events at therapeutic doses of 250-2,000mg/day. Common… No controlled human safety data. Anecdotal user reports include headache, fatigue, irritability or anxiety, insomnia, and vivid dreams, usually at higher doses. The most serious concern is theoretical rather than reported: because dihexa acts on the HGF/c-Met…
    Molecular Weight 488.32 g/mol 504.7 g/mol
    Common Vial Sizes — 50mg, 100mg

    Price tracking

    Tracking CDP-Choline prices since September 7, 2026. Trend chart unlocks once we have price snapshots from more than one day.

    Price tracking

    Tracking Dihexa prices since September 5, 2026. Trend chart unlocks once we have price snapshots from more than one day.

    CDP-Choline: potential benefits

    • Acetylcholine support
    • Dopamine D2 upregulation (via uridine)
    • Focus and attention
    • Memory
    • Neuroprotection
    • Stroke recovery

    Dihexa: potential benefits

    • Synaptogenesis: formation of new dendritic spines and functional synapses (preclinical)
    • Memory and spatial-learning support in rodent models
    • Potential research application in Alzheimer's and other neurodegenerative disease models
    • HGF/c-Met and PI3K/Akt-linked neuroplasticity (mechanism proposed; key paper retracted)

    Frequently asked

    What's the difference between CDP-Choline and Dihexa?

    CDP-Choline is a nootropic that cdp-choline operates through a distinctive dual-substrate delivery mechanism that differentiates it from all other cholinergic precursors: oral citicoline is rapidly hydrolyzed to…. Dihexa is a nootropics that dihexa is a small-molecule analog derived from angiotensin iv (angiv). it retains the tyr-ile core of nle1-angiv, with an n-terminal hexanoic acid cap and a c-terminal…. The two differ in mechanism, half-life (not reported vs Not characterized in humans. Dihexa was engineered for metabolic stability (resistant to plasma and enzymatic degradation) and blood-brain-barrier penetration; in preclinical work its central procognitive effects appear to outlast its plasma presence.), and typical dose range.

    Which has the longer half-life, CDP-Choline or Dihexa?

    CDP-Choline has a half-life of not reported. Dihexa has a half-life of Not characterized in humans. Dihexa was engineered for metabolic stability (resistant to plasma and enzymatic degradation) and blood-brain-barrier penetration; in preclinical work its central procognitive effects appear to outlast its plasma presence.. Longer half-lives generally mean less frequent dosing but slower on/off kinetics.

    Which is cheaper, CDP-Choline or Dihexa?

    Lowest listed price on BodyHackGuide: CDP-Choline from $69.99, Dihexa from $79.99. Prices are pulled from the vendor listings tracked on BHG and change frequently. See the compare tables on each compound page for the current set of offers.

    Can you stack CDP-Choline and Dihexa?

    Stacking depends on mechanism overlap, safety profile, and goals. CDP-Choline and Dihexa should only be stacked after reviewing each compound's individual protocol page, side effect profile, and any published interaction data. Use the BodyHackGuide stack builder for a structured review before combining research compounds.

    See current vendor prices

    Listings from the vendors we track. Prices change often, so check the vendor before you buy.

    CDP-Choline prices Dihexa prices Compare all compounds

    Before you buy CDP-Choline or Dihexa

    Check the vendor trust score. Every supplier we track is rated 0-100 on COA verification, payment transparency, shipping, reviews, and listings: one published, reproducible methodology, applied to every vendor.

    View Vendor Scorecard

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    Research use only. BodyHackGuide is a research and price-comparison reference. The compounds discussed on this page are not approved by the FDA for human consumption and are sold strictly for laboratory research. Prices shown are pulled from vendor listings tracked on BHG and are subject to change. We earn an affiliate commission on some outbound clicks, and every vendor is ranked on the same public, reproducible methodology. See editorial standards and affiliate disclosure.