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Alpha GPC 300 mg

Jarrow Formulas
4.6
★ ★ ★ ★ ★
(2848 ratings)
Alpha-GPC 300 mg
Product Image
Score78
A practical material amount and clean single-active design give this Alpha-GPC capsule good everyday usability. Active-yield and moisture-protection details are the notable omissions.
How scoring works
Quantity:60 Veggie Cap(s) • (60 servings)
Goals:
Productivity Boost
Anti-Aging
Brain Health
Mental Focus
Cognitive Support

Score 78

A practical material amount and clean single-active design give this Alpha-GPC capsule good everyday usability. Active-yield and moisture-protection details are the notable omissions.
How scoring works
$19.40($0.32 per serving)
Pure Formulas
$ 28.99
Vitacost
$ 36.19
Vitacost
$ 35.99
Daily Vita
$ 30.99
Amazon
$ 28.99
Daily Vita
$ 19.40
Daily Vita
$ 28.99
iHerb
$ 36.70
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Analysis

The 300 mg Alpha-GPC listing provides a useful material amount for a focused choline routine. Its direct role in acetylcholine production makes the capsule relevant to memory, attention, and mental output.

A single-active design keeps dosing simple and avoids low-value additions. The label does not state active Alpha-GPC yield or a branded source, which prevents precise comparison with products that disclose usable content.

Standard vegetable capsules have no stated protection against moisture, a stability concern for Alpha-GPC. Even with those gaps, the straightforward formula and efficient serving value make it a solid fit for users who understand the disclosure limits.

Who is it for
  • Adults seeking focused Alpha-GPC support
  • Users who prefer one active per capsule
  • People building a stimulant-free cognitive routine
Best for
  • Acetylcholine-focused supplementation
  • Simple daily dosing
  • Users seeking reasonable serving efficiency

Pros

  • Useful 300 mg material amount
  • Single-active formula avoids padding
  • Clear serving quantity
  • Strong serving efficiency

Cons

  • Active Alpha-GPC yield is not stated
  • No branded source is named
  • No moisture-protective packaging claim
  • Supports one main cognitive pathway

Warnings

  • Alpha-GPC may cause headache in sensitive users
  • Alpha-GPC may cause digestive discomfort in sensitive users

Nutrient quality

78 High impact

Alpha-GPC is a brain-available choline source, but generic sourcing and standard capsule storage limit quality assurance. The material amount is useful, though actual active Alpha-GPC yield is not stated.

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Ingredient transparency

80 Highest impact

Every listed active ingredient has a specific amount. Usage and inactive-ingredient details remain incomplete.

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Customer satisfaction

70 High impact

The average rating is positive but not exceptional. The very large feedback pool makes the average highly dependable.

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Value for money

81 Highest impact

The focused formula and useful amount reasonably support the price. Serving cost is reasonable despite uncertain active yield.

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Goals

Productivity Boost
Impact
Highest effect
B+ Goal FitA Strength of SupportC- CoverageA+ Formula Quality
Alpha-GPC · 300 mg

Alpha-GPC supplies a direct choline source for acetylcholine production, giving it clear relevance to attention and mental output. Human evidence is useful for cognitive function in selected populations but less certain for routine productivity enhancement in healthy adults.

The 300 mg amount is meaningful and fully disclosed without a proprietary blend. The streamlined formula offers strong depth in one neurotransmitter pathway but no alertness or stress-resilience support.

Study evidence
Alpha-GPC Supportive 2 studies
Anti-Aging
Impact
Highest effect
B Goal FitA Strength of SupportC- CoverageA+ Formula Quality
Alpha-GPC · 300 mg

Alpha-GPC provides highly available choline for acetylcholine production and neuronal membrane support, making it relevant to cognitive aging. The 300 mg amount is meaningful and fully disclosed.

The single-active capsule gives good depth for one neurological pathway but does not address oxidative stress, inflammation, mitochondrial decline, or structural aging. Evidence is more applicable to selected cognitive settings than to broad prevention of age-related decline.

Study evidence
Alpha-GPC Not classified

No linked studies yet.

Brain Health
Impact
High effect
A- Goal FitB- Strength of SupportC- CoverageA Formula Quality
Alpha-GPC · 300 mg

Alpha-GPC directly supports acetylcholine production for attention and memory, and the listed amount is useful. A single capsule provides simple focused dosing.

The label does not clarify active yield, branded sourcing, or moisture-protective packaging. Those gaps reduce confidence in the amount of stable Alpha-GPC actually delivered.

Study evidence
Alpha-GPC Supportive 12 studies
Mental Focus
Impact
High effect
B Goal FitB- Strength of SupportD+ CoverageA+ Formula Quality
Alpha-GPC · 300 mg

Alpha-GPC supplies choline for acetylcholine synthesis and is directly relevant to attention and memory. Human evidence is useful but less consistent for routine focus enhancement in healthy adults than for caffeine.

The listed amount is practical, though the label does not state active yield or a branded source. A single-ingredient formula keeps the cognitive purpose clear and avoids competing effects.

Study evidence
Alpha-GPC Supportive 1 study
Cognitive Support
Impact
High effect
B+ Goal FitC Strength of SupportD CoverageA Formula Quality
Alpha-GPC · 300 mg

Alpha-GPC directly supplies a choline source that can reach the brain and support acetylcholine production for memory and focus. The 300 mg material amount is useful, although evidence for noticeable enhancement is stronger in people with cognitive needs than in healthy users.

The label clearly names the material amount but does not verify active yield, branded sourcing, or moisture protection. The single-active design is focused and avoids unrelated ingredients, but the uncertain active yield limits confidence in the effective dose.

Study evidence
Alpha-GPC Supportive 15 studies

Ingredients

IngredientAmount per serving
L-Alpha-Glycerylphosphorylcholine
300 mg
Adults 18–50 Vegan Vegetarian
Report overview
Alpha-GPC · 300 mg OverallScore54
D- Active Ingredient Quality & BioavailabilityC Dose, Safety & Label TransparencyC Value

The capsule supplies a useful amount of Alpha-GPC, but the label does not clarify active yield or identify a branded form or botanical source. Standard capsule packaging also offers limited assurance against the ingredient's tendency to absorb moisture. Cost efficiency remains reasonable, though the uncertain active yield weakens the value compared with a fully disclosed formula.

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Sources

Published studies used for the product analysis and the top-ranked studies for each ingredient and goal.

  1. Effect of Choline Alfoscerate on the Progression From Mild Cognitive Impairment to Dementia: Distributed Network Analysis of a Multicenter Korean Database Using a Common Data Model.
    Pyun JM; Lee I; Lee K; Kim MH; Park C; Yang HJ · Dementia and neurocognitive disorders · 2024
    Cohort study3,062 participantsCognitive Support forAlpha-GPC
  2. Activity of Choline Alphoscerate on Adult-Onset Cognitive Dysfunctions: A Systematic Review and Meta-Analysis.
    Sagaro GG; Traini E; Amenta F · Journal of Alzheimer's disease : JAD · 2023
    Meta-analysis8 studies pooledBrain Health Cognitive Support forAlpha-GPC
  3. Treatment of dementia with neurotransmission modulation.
    Doggrell SA; Evans S · Expert opinion on investigational drugs · 2004
    Narrative reviewProductivity Boost forAlpha-GPC
  4. The Care Pathway for Patients with Mild Cognitive Impairment in Korea: A Survey of Dementia Specialists.
    Choi SH; Shim Y; Kim S; Yang DW; Park KH; Kim J; Youn YC · Dementia and geriatric cognitive disorders extra · 2025
    Cross-sectional studyCognitive Support forAlpha-GPC
  5. Comparative study of choline alfoscerate as a combination therapy with donepezil: A mixed double-blind randomized controlled and open-label observation trial.
    Lee W; Kim M · Medicine · 2024
    Randomized trial119 participantsCognitive Support Brain Health forAlpha-GPC
  6. Acute Alpha-Glycerylphosphorylcholine Supplementation Enhances Cognitive Performance in Healthy Men.
    Kerksick CM · Nutrients · 2024
    Randomized trial20 participantsBrain Health Productivity Boost Mental Focus forAlpha-GPC
  7. Effects of choline alfoscerate on cognitive function and quality of life in type 2 diabetes: A double-blind, randomized, placebo-controlled trial.
    Sohn M; Park YH; Lim S · Diabetes, obesity & metabolism · 2025
    Randomized trial36 participantsBrain Health Cognitive Support forAlpha-GPC
  8. Effect of Choline Alfoscerate on Cognitive Dysfunction After Mild Traumatic Brain Injury: A Single-Center Prospective Case-Control Study.
    Park MS; Yang JS; Kang SH; Choi HJ; Jeon JP; Cho YJ · Korean journal of neurotrauma · 2025
    Non-randomized trial30 participantsBrain Health forAlpha-GPC
  9. [Gliatilin in the Treatment of Cognitive Impairments Not Reaching the Level of Dementia: Meta-Analysis and Systematic Review].
    Voznyuk IA; Nepomnyashchiy IS; Kutkova AK; Tokareva DV; Prokhorova MV; Ovdiienko OA; Shusharina NN · Zhurnal nevrologii i psikhiatrii imeni S.S. Korsakova · 2025
    Meta-analysis10 studies pooledCognitive Support forAlpha-GPC
  10. [Modern approaches to the diagnostics and treatment of the consequences of traumatic brain injury in children and adolescents].
    Nemkova SA · Zhurnal nevrologii i psikhiatrii imeni S.S. Korsakova · 2022
    Randomized trialBrain Health Cognitive Support forAlpha-GPC
  11. Vertical Association Between Dietary Total Choline and L-alpha-glycerylphosphorylcholine and the Cognitive Function in Chinese Adults Aged over 55, Result from China Health and Nutrition Survey 1997-2018.
    Guan F; Jia X; Huang F; Zhang J; Wei Y; Li L; Bai J; Wang H · Nutrients · 2024
    Cohort study7,659 participantsCognitive Support forAlpha-GPC
  12. A multicentre trial to evaluate the efficacy and tolerability of alpha-glycerylphosphorylcholine versus cytosine diphosphocholine in patients with vascular dementia.
    Di Perri R; Coppola G; Ambrosio LA; Grasso A; Puca FM; Rizzo M · The Journal of international medical research · 1991
    Randomized trial120 participantsBrain Health Cognitive Support forAlpha-GPC
  13. Clinical Effectiveness of Treatments for Mild Cognitive Impairment in Adults: A Systematic Review.
    Cepeda-Pineda D; Sequeda G; Carrillo-Sierra SM; Silvera-Cruz K; Redondo-Chamorro J; Rozo-Sánchez A; Bermúdez V; Contreras-Velásquez JC; Gómez-Charris Y; Rivera-Porras D · European journal of investigation in health, psychology and education · 2025
    Systematic review40 studies pooledBrain Health forAlpha-GPC
  14. [Efficacy of choline alfoscerate treatment for subjective cognitive impairment in first-degree relatives of patients with Alzheimer's disease: Results of a comparative 5-year study].
    Selezneva ND; Roshchina IF; Gavrilova SI · Zhurnal nevrologii i psikhiatrii imeni S.S. Korsakova · 2026
    Non-randomized trial122 participantsCognitive Support forAlpha-GPC
  15. Cognitive improvement in mild to moderate Alzheimer's dementia after treatment with the acetylcholine precursor choline alfoscerate: a multicenter, double-blind, randomized, placebo-controlled trial.
    De Jesus Moreno Moreno M · Clinical therapeutics · 2003
    Randomized trial261 participantsBrain Health forAlpha-GPC
  16. alpha-Glycerophosphocholine in the mental recovery of cerebral ischemic attacks. An Italian multicenter clinical trial.
    Barbagallo Sangiorgi G; Barbagallo M; Giordano M; Meli M; Panzarasa R · Annals of the New York Academy of Sciences · 1994
    Single-arm trial2,044 participantsBrain Health forAlpha-GPC