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Alpha-GPC 300 mg

Swanson
4.6
★ ★ ★ ★ ★
(703 ratings)
Alpha-GPC 300 mg
Product Image
Score73
A straightforward 300 mg Alpha-GPC capsule delivers focused choline support. Uncertain active yield and limited quality details weaken confidence and value.
How scoring works
Quantity:60 Capsule(s) • (60 servings)
Goals:
Productivity Boost
Brain Health
Mental Focus
Cognitive Support

Score 73

A straightforward 300 mg Alpha-GPC capsule delivers focused choline support. Uncertain active yield and limited quality details weaken confidence and value.
How scoring works
$31.39($0.52 per serving)
iHerb
$ 31.39
iHerb
$ 31.39
Amazon
$ 119.28
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Analysis

A 300 mg Alpha-GPC material amount gives the product a clear role in acetylcholine support for memory and attention. The single-active design makes it easy to combine with other supplements without duplicating ingredients.

The label does not state active yield, so the amount of usable Alpha-GPC may be lower than the material weight suggests. Generic sourcing and no stated moisture protection create further uncertainty around purity and stability.

The formula suits adults who want targeted, stimulant-free choline support rather than broad cognitive coverage. Comparable focused products may offer better value or stronger disclosure, making comparison shopping worthwhile.

Who is it for
  • Adults seeking single-ingredient Alpha-GPC
  • Stimulant-sensitive cognitive supplement users
  • People who want flexible stack building
Best for
  • Focused acetylcholine support
  • Simple capsule routines
  • Combining with non-choline cognitive ingredients

Pros

  • Useful labeled material amount
  • Single-active formula
  • No unrelated ingredient padding
  • Clear serving quantity

Cons

  • Active yield is not disclosed
  • No branded source or purity details
  • No stated moisture protection
  • Value is weaker than some comparable basic formulas

Warnings

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

Nutrient quality

76 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 conservative active-yield assumptions make the effective dose modest.

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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

67 High impact

The average rating is positive but not exceptional. The substantial feedback pool makes the average reasonably dependable.

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Value for money

65 Moderate impact

The price is only partly supported by the likely active dose. Serving cost is relatively high for uncertain active yield.

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Report analysis

Goals

Productivity Boost
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
Brain Health
Brain Health
Impact
High effect
A- Goal FitC- Strength of SupportD+ CoverageA Formula Quality
Alpha-GPC · 300 mg

Alpha-GPC directly supports acetylcholine production for attention and memory. The listed capsule amount is relevant to cognitive use.

The label does not clarify active yield, so the actual Alpha-GPC delivered may be lower than the material weight suggests. Generic sourcing and no moisture-protection claim further limit confidence in stability.

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

Alpha-GPC is a direct acetylcholine precursor and is relevant to attention and memory. Human evidence is useful for selected cognitive settings but remains mixed for everyday focus in healthy adults.

The stated material amount is practical, yet uncertain active yield may substantially reduce the delivered Alpha-GPC. Generic sourcing and no stated moisture protection further weaken confidence in the capsule.

Study evidence
Alpha-GPC Supportive 1 study
Cognitive Support
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 states the material amount but omits active yield, branded sourcing, and 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
Anti-Aging
Anti-Aging
Impact
Moderate effect
C Goal FitC- Strength of SupportF CoverageA Formula Quality
Alpha-GPC · 300 mg

Alpha-GPC supports acetylcholine production and may help aspects of cognitive function with age. The listed material amount is useful, but the active Alpha-GPC yield is not clear.

The single-active formula is focused and avoids ingredient clutter. Evidence supports selected cognitive settings more than broad healthy-aging or healthspan outcomes.

Study evidence
Alpha-GPC Not classified

No linked studies yet.

Ingredients

IngredientAmount per serving
Alpha Glycerylphosphorylcholine
300 mg
Adults 18–50
Report overview
Alpha-GPC · 300 mg OverallScore50
D- Active Ingredient Quality & BioavailabilityC Dose, Safety & Label TransparencyD- Value

Generic Alpha-GPC is clearly listed, but no branded form or botanical source is provided. Under the conservative yield assumption, the 300 mg material may provide only 150 mg of active Alpha-GPC. The standard capsule lacks stated moisture protection, and cost per active dose is relatively high.

View ingredientView products
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72 Performance

Genius Consciousness Watermelon

The Genius Brand
<p>Alpha-GPC, acetyl-L-carnitine, phosphatidylserine, tyrosine, and lion's mane create broad cognitive coverage, giving it broader cognitive support than the original. Caffeine and methyliberine raise stimulant concerns, and the huperzine active yield is unclear.</p>
73 Performance

Vital Brain Powder

Vital Nutrients
<p>Alpha-GPC, phosphatidylserine, and acetyl-L-carnitine provide a concise cognitive blend in meaningful listed amounts, giving it broader cognitive support than the original. The serving cost is high, so the ingredient depth comes with poor value.</p>
76 Performance

Natural Brain Enhancers

Doctor's Best
<p>Branded Alpha-GPC and phosphatidylserine provide complementary choline and cell-membrane support, giving it broader cognitive support than the original. The active Alpha-GPC yield is not stated, and several calcium entries make the label harder to interpret.</p>
78 Budget

Alpha GPC 300 mg

Jarrow Formulas
<p>A clearly listed Alpha-GPC amount provides focused choline support without unrelated additions at a lower serving cost than the original. Generic sourcing, unconfirmed active yield, and no stated moisture protection limit certainty about ingredient quality.</p>
72 Budget

Seventh Gear Your Mom's Lemonade

Axe & Sledge Supplements
<p>No provided candidate in this slot costs less per serving than the original. Beta-alanine, betaine, creatine, caffeine, and two choline forms provide broad pre-workout coverage at a low serving cost, making it one of the closest available options. The added workout ingredients and caffeine make it less focused and may not suit stimulant-sensitive users.</p>
77 Budget

Cognitex Basics

Life Extension
<p>No provided candidate in this slot costs less per serving than the original. Alpha-GPC, phosphatidylserine, and blueberry combine choline, membrane, and antioxidant support in a softgel, making it one of the closest available options. The active Alpha-GPC yield is not stated, and the likely choline amount is modest.</p>
75 Value

Alpha GPC 300 mg

NOW
<p>A large listed Alpha-GPC material amount provides concentrated, single-ingredient choline support, delivering more useful cognitive or performance coverage for the serving cost than the original. The active yield and moisture protection are not stated, so the practical choline amount remains uncertain.</p>
66 Value

Bucked Up Pre-Workout 'Merica Rocket Pop

DAS Labs
<p>Citrulline malate and caffeine provide a practical performance base with beta-alanine and Alpha-GPC, delivering more useful cognitive or performance coverage for the serving cost than the original. The added workout ingredients and caffeine make it less focused and may not suit stimulant-sensitive users.</p>
71 Value

High-Performance Pre-Workout Black Cherry

Pre JYM
<p>Citrulline, creatine, amino acids, tyrosine, caffeine, and taurine provide broad, fully disclosed workout support, delivering more useful cognitive or performance coverage for the serving cost than the original. The added workout ingredients and caffeine make it less focused and may not suit stimulant-sensitive users.</p>
Report alternatives

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. 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
  4. 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
  5. 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
  6. Acute Alpha-Glycerylphosphorylcholine Supplementation Enhances Cognitive Performance in Healthy Men.
    Kerksick CM · Nutrients · 2024
    Randomized trial20 participantsBrain Health Mental Focus Productivity Boost forAlpha-GPC
  7. 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
  8. [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
  9. [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
  10. 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
  11. 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
  12. 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
  13. [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
  14. 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
  15. 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
  16. Treatment of dementia with neurotransmission modulation.
    Doggrell SA; Evans S · Expert opinion on investigational drugs · 2004
    Narrative reviewProductivity Boost forAlpha-GPC