Alpha GPC 300 mg Ingredients & Drug Interactions
What is this page for?
First and foremost: checking Alpha GPC 300 mg against your medications. The heart of this page is the interaction checker and the full interaction report — how this product’s ingredients may interact with prescription and over-the-counter medicines you may be taking.
Around that, we add a pharmacist’s high-level view of the product as a whole — what’s inside, the evidence for its stated use, how transparent the label is, and what safety data exists — so you can see the full picture in one place. It’s educational information from our licensed clinical databases and the clinical staff at HelloPharmacist — not medical advice — and we don’t sell or endorse products. Our editorial policy
Alpha GPC 300 mg is a dietary supplement by Zazzee Naturals with 1 active ingredient. Its ingredients are commonly taken for memory and learning support, age-related cognitive decline, alzheimer's disease and dementia (under study).Based on those ingredients, 16 medications have a known interaction with it, the most serious rated minor. The ingredients most likely to interact are L Alpha Glycerylphosphorylcholine. Use the checker below to test your specific medication, or read the full HelloPharmacist Interaction Report.
Check Your Meds Against Alpha GPC 300 mg by Zazzee Naturals
Ask about any prescription or over-the-counter medication and we check it for interactions with Alpha GPC 300 mg by Zazzee Naturals — and tell you which ingredient is responsible.
AI summaries are generated from our interaction database for education only — always confirm with your pharmacist. How we use AI
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HelloPharmacist Scorecard of Alpha GPC 300 mg by Zazzee Naturals
Our pharmacy team’s full take, with four database checks built into the cards below — a summary of what is known, not a grade of the product itself.
What’s inside
Full disclosure
Zazzee Naturals Alpha GPC contains one active ingredient: alpha-GPC (L Alpha Glycerylphosphorylcholine), a naturally occurring compound in the brain that plays a role in cell membrane function and neurotransmitter production. The capsule also contains inactive ingredients—cellulose, rice powder, and silica—which are fillers and binders.
Does it work?
Moderate evidence
The evidence supporting alpha-GPC is mixed. For Alzheimer disease, it's rated possibly effective — meaning there's some clinical support, but it's not definitive.
For cognitive function, stroke recovery, brain tumors, and vascular dementia, the evidence isn't established enough in our data to rate it. If you're considering this for brain health or memory, talk with your doctor about whether the current evidence makes sense for your situation.
How safe is it?
Well-documented data
Alpha-GPC is generally well tolerated in studies, though long-term safety hasn't been fully established. Rarely, people have reported dizziness, headache, insomnia, nausea, heartburn, diarrhea, vomiting, and excitation.
There's one important caution: oral alpha-GPC use for 2 months or longer has been rarely associated with an elevated stroke risk compared to non-users or those using it for shorter periods. Pregnancy and lactation safety information isn't on file for this ingredient, so talk with your doctor or pharmacist if you're pregnant or nursing.
Meds to double-check
Minor interactions only
If you use a scopolamine patch (Transderm Scop) for motion sickness, check with your pharmacist before adding this product — alpha-GPC may reduce its effects. Because we hold data on only one documented interaction, run your complete medication list through the checker on this page before you start.
The bottom line
Scorecard at a glanceFully disclosed formula with some supporting evidence for its stated purpose. Only minor medication interactions are documented, and safety information is well characterized.
Alpha-GPC may be worth considering if you're exploring options for Alzheimer disease, but the evidence for other cognitive claims is unclear. Because of the rare stroke risk with longer-term use and the incomplete long-term safety data, this isn't something to start on your own — check with your doctor first, especially if you're older or have cardiovascular risk factors.
Educational only — not medical advice; always confirm with your pharmacist. Our editorial policy · How we use AI
Assessment coverage: 1 of 1 active ingredient matched to our full ingredient reviews (monographs). Based on the product label dated Oct 24, 2022.
This Scorecard evaluates available label information, ingredient evidence, and known medication-safety considerations. It does not independently verify product identity, purity, potency, contamination, or manufacturing quality. How these ratings are computed
General information
Key facts about Alpha GPC 300 mg, straight from the product label.
| Brand | Zazzee Naturals |
|---|---|
| Barcode (UPC) | X001RROU8J |
| Net contents | 75 Veggie Cap(s) |
| Market status | On market |
| Date entered into DSLD | Oct 24, 2022 |
| DSLD ID | 276068 |
| Product type | Non-nutrient/non-botanical |
| Supplement form | Capsule |
| Dietary claims / uses | All Other, Structure/Function |
| Intended target group(s) | Adult (18 - 50 Years), Gluten Free, Dairy Free |
Everything in this section is reproduced from the manufacturer’s own product label — it’s the label speaking, not HelloPharmacist. We show it so you can see exactly what the maker states; we don’t verify or endorse those statements.
Supplement Facts
The label details for Alpha GPC 300 mg by Zazzee Naturals, sourced from the NIH Dietary Supplement Label Database.
Supplement Facts
| Ingredient | Amount | % DV |
|---|---|---|
| L Alpha Glycerylphosphorylcholine | 600 mg | -- |
Other ingredients: Cellulose, Cellulose powder, Rice, Powder, Silica
Tap any ingredient to jump to its full detail below.
These statements are the manufacturer’s wording, reproduced from the product label — the label is saying it, not HelloPharmacist. We don’t verify or endorse them.
Suggested/Recommended/Usage/Directions
Suggested Usage: As a dietary supplement, take 2 capsules twice daily with food, or as directed by your healthcare practitioner.
Formula
Zazzee Naturals Alpha GPC is a high-quality, all-natural choline compound that is particularly important to support optimal cognitive function. Alpha GPC is a highly bioavailable form of choline that crosses the blood brain barrier. Studies have shown that Alpha GPC supports healthy brain function, memory, mental sharpness and overall mental acuity.
Alpha GPC (Choline Alfoscerate) 300 mg per capsule
Precautions
Warnings: For adults only.
Consult physician if pregnant or nursing, taking medication, or have a medical condition.
Keep out of reach of children.
Do not eat freshness packet. Keep in bottle.
Allergen Information: Not manufactured with yeast, soy, wheat, corn, gluten, milk, egg, fish, shellfish or tree nut ingredients. Produced in a GMP facility that processes other ingredients containing these allergens.
Storage
Store in a cool, dry place after opening.
General Statements
Please recycle.
FDA Disclaimer Statement
These statements have not been evaluated by the Food and Drug Administration. This product is not intended to diagnose, treat, cure or prevent any disease.
Formulation
Supports healthy mental acuity Supports enhanced memory function Supports increased mental sharpness
Allergen Information: Not manufactured with yeast, soy, wheat, corn, gluten, milk, egg, fish, shellfish or tree nut ingredients.
Natural color variation may occur in this product.
Made with Non GMO ingredients
FDA Statement of Identity
Dietary Supplement
Seals/Symbols
GMP Good Manufacturing Practice Consistent Quality Made in USA
Is this label outdated? Report a formula or label change and our pharmacy team will review it.
Alpha GPC 300 mg by Zazzee Naturals label
The label scan from the NIH Dietary Supplement Label Database. Tap to enlarge.
Label images are published by the NIH Dietary Supplement Label Database for the version of this product on file. Always read your actual product label.
View the full label (PDF)The Ingredients in Alpha GPC 300 mg by Zazzee Naturals
This is the 1 active ingredient this product is made of. Select it to open its full monograph.
Serving size2 Veggie Capsule(s) Dosage formCapsule Servings per container38 Amounts shown are per serving.
L Alpha Glycerylphosphorylcholine
Interacts with16 drugs
Alpha-GPC is a choline-containing compound used mainly for memory, brain health, and as a choline source. There is some evidence it may help cognition...
L Alpha Glycerylphosphorylcholine monograph & interactionsOther (inactive) ingredients: Cellulose, Cellulose powder, Rice, Powder, Silica. These complete the product’s ingredient list but are not active constituents.
Alpha GPC 300 mg by Zazzee Naturals Drug Interactions
HelloPharmacist Interaction Report
Zazzee Naturals Alpha GPC 300 mg has one documented interaction we hold data on.
The ingredient alpha-GPC may theoretically decrease the effects of scopolamine, the active ingredient in the motion sickness patch Transderm Scop — this is rated Minor severity. A small clinical study showed that alpha-GPC can partially counteract some of scopolamine's effects on attention and memory when given by injection, though whether it affects the patch's anti-motion sickness benefit isn't fully clear.
Read the full breakdown — every affected drug type, severity by severity
Altogether, these interactions span 16 individual medications. If you use a scopolamine patch or take any prescription medication, run them through the checker below before you start this supplement.
Check your own medications below · Editorial policy · How we use AI
Want to check YOUR meds against Alpha GPC 300 mg?
Ask about interactions with your drugs in plain English — “Can I take it with lisinopril?” — and we find you the answer in seconds, ingredient by ingredient.
Go to the checkerIngredients driving the most interactions
Individual Drug Interactions
The ingredients in Alpha GPC 300 mg interact with 16 drugs. Click any drug to see the details.
1 of the 1 ingredient in Alpha GPC 300 mg interact with drugs. Each result below shows which ingredient is responsible. L Alpha Glycerylphosphorylcholine
Atropine, Chlorpheniramine, Hyoscyamine, Phenylephrine, Phenylpropanolamine, ScopolamineAtrohist Plus, Pro Tuss, Ru-tuss, Stahist
How Atropine, Chlorpheniramine, Hyoscyamine, Phenylephrine, Phenylpropanolamine, Scopolamine interacts with Alpha GPC 300 mg — through 1 ingredient. Tap an ingredient for the detail:
L Alpha GlycerylphosphorylcholineScopolamine (transderm Scop) Minor
Interaction Summary
Theoretically, alpha-GPC might decrease the effects of scopolamine.
Read the full L Alpha Glycerylphosphorylcholine + Atropine, Chlorpheniramine, Hyoscyamine, Phenylephrine, Phenylpropanolamine, Scopolamine interactionAtropine, Hyoscyamine, Phenobarbital, ScopolamineBarbidonna No. 2, Belladonna Phenobarbital
How Atropine, Hyoscyamine, Phenobarbital, Scopolamine interacts with Alpha GPC 300 mg — through 1 ingredient. Tap an ingredient for the detail:
L Alpha GlycerylphosphorylcholineScopolamine (transderm Scop) Minor
Interaction Summary
Theoretically, alpha-GPC might decrease the effects of scopolamine.
Read the full L Alpha Glycerylphosphorylcholine + Atropine, Hyoscyamine, Phenobarbital, Scopolamine interactionAtropine, Hyoscyamine, ScopolamineColytrol
How Atropine, Hyoscyamine, Scopolamine interacts with Alpha GPC 300 mg — through 1 ingredient. Tap an ingredient for the detail:
L Alpha GlycerylphosphorylcholineScopolamine (transderm Scop) Minor
Interaction Summary
Theoretically, alpha-GPC might decrease the effects of scopolamine.
Read the full L Alpha Glycerylphosphorylcholine + Atropine, Hyoscyamine, Scopolamine interactionAtropine, Hyoscyamine, Scopolamine, PhenobarbitalBarbeloid, Donnatal #2, Donphen
How Atropine, Hyoscyamine, Scopolamine, Phenobarbital interacts with Alpha GPC 300 mg — through 1 ingredient. Tap an ingredient for the detail:
L Alpha GlycerylphosphorylcholineScopolamine (transderm Scop) Minor
Interaction Summary
Theoretically, alpha-GPC might decrease the effects of scopolamine.
Read the full L Alpha Glycerylphosphorylcholine + Atropine, Hyoscyamine, Scopolamine, Phenobarbital interactionBarbital, Hyoscyamine, Scopolamine, Passiflora, ValeriBarbatose #2
How Barbital, Hyoscyamine, Scopolamine, Passiflora, Valeri interacts with Alpha GPC 300 mg — through 1 ingredient. Tap an ingredient for the detail:
L Alpha GlycerylphosphorylcholineScopolamine (transderm Scop) Minor
Interaction Summary
Theoretically, alpha-GPC might decrease the effects of scopolamine.
Read the full L Alpha Glycerylphosphorylcholine + Barbital, Hyoscyamine, Scopolamine, Passiflora, Valeri interactionBelladonna Alkaloids, PhenobarbitalBarbidonna, Donnatal
How Belladonna Alkaloids, Phenobarbital interacts with Alpha GPC 300 mg — through 1 ingredient. Tap an ingredient for the detail:
L Alpha GlycerylphosphorylcholineScopolamine (transderm Scop) Minor
Interaction Summary
Theoretically, alpha-GPC might decrease the effects of scopolamine.
Read the full L Alpha Glycerylphosphorylcholine + Belladonna Alkaloids, Phenobarbital interactionCamphor, Hyoscyamine, Passif, Phenobarbital, Scopolamine, ValerianNevrotose #3
How Camphor, Hyoscyamine, Passif, Phenobarbital, Scopolamine, Valerian interacts with Alpha GPC 300 mg — through 1 ingredient. Tap an ingredient for the detail:
L Alpha GlycerylphosphorylcholineScopolamine (transderm Scop) Minor
Interaction Summary
Theoretically, alpha-GPC might decrease the effects of scopolamine.
Read the full L Alpha Glycerylphosphorylcholine + Camphor, Hyoscyamine, Passif, Phenobarbital, Scopolamine, Valerian interactionChlorpheniramine, MethscopolamineAllerx
How Chlorpheniramine, Methscopolamine interacts with Alpha GPC 300 mg — through 1 ingredient. Tap an ingredient for the detail:
L Alpha GlycerylphosphorylcholineScopolamine (transderm Scop) Minor
Interaction Summary
Theoretically, alpha-GPC might decrease the effects of scopolamine.
Read the full L Alpha Glycerylphosphorylcholine + Chlorpheniramine, Methscopolamine interactionChlorpheniramine, Methscopolamine, PhenylephrineAH Chew, DA, DA II, Dallergy, Dallergy ER, Dura Vent DA +9 more
How Chlorpheniramine, Methscopolamine, Phenylephrine interacts with Alpha GPC 300 mg — through 1 ingredient. Tap an ingredient for the detail:
L Alpha GlycerylphosphorylcholineScopolamine (transderm Scop) Minor
Interaction Summary
Theoretically, alpha-GPC might decrease the effects of scopolamine.
Read the full L Alpha Glycerylphosphorylcholine + Chlorpheniramine, Methscopolamine, Phenylephrine interactionChlorpheniramine, Methscopolamine, PhenylpropanolaminePannaz
How Chlorpheniramine, Methscopolamine, Phenylpropanolamine interacts with Alpha GPC 300 mg — through 1 ingredient. Tap an ingredient for the detail:
L Alpha GlycerylphosphorylcholineScopolamine (transderm Scop) Minor
Interaction Summary
Theoretically, alpha-GPC might decrease the effects of scopolamine.
Read the full L Alpha Glycerylphosphorylcholine + Chlorpheniramine, Methscopolamine, Phenylpropanolamine interactionChlorpheniramine, Methscopolamine, PseudoephedrineMescolor, Rescon-Mx, Xiral
How Chlorpheniramine, Methscopolamine, Pseudoephedrine interacts with Alpha GPC 300 mg — through 1 ingredient. Tap an ingredient for the detail:
L Alpha GlycerylphosphorylcholineScopolamine (transderm Scop) Minor
Interaction Summary
Theoretically, alpha-GPC might decrease the effects of scopolamine.
Read the full L Alpha Glycerylphosphorylcholine + Chlorpheniramine, Methscopolamine, Pseudoephedrine interactionDextromethorphan, Methscopolamine, PhenylephrineDA Chewable
How Dextromethorphan, Methscopolamine, Phenylephrine interacts with Alpha GPC 300 mg — through 1 ingredient. Tap an ingredient for the detail:
L Alpha GlycerylphosphorylcholineScopolamine (transderm Scop) Minor
Interaction Summary
Theoretically, alpha-GPC might decrease the effects of scopolamine.
Read the full L Alpha Glycerylphosphorylcholine + Dextromethorphan, Methscopolamine, Phenylephrine interactionMethscopolamine BromidePamine
How Methscopolamine Bromide interacts with Alpha GPC 300 mg — through 1 ingredient. Tap an ingredient for the detail:
L Alpha GlycerylphosphorylcholineScopolamine (transderm Scop) Minor
Interaction Summary
Theoretically, alpha-GPC might decrease the effects of scopolamine.
Read the full L Alpha Glycerylphosphorylcholine + Methscopolamine Bromide interactionMethscopolamine, Mivacurium, PhenylephrineDallergy IR
How Methscopolamine, Mivacurium, Phenylephrine interacts with Alpha GPC 300 mg — through 1 ingredient. Tap an ingredient for the detail:
L Alpha GlycerylphosphorylcholineScopolamine (transderm Scop) Minor
Interaction Summary
Theoretically, alpha-GPC might decrease the effects of scopolamine.
Read the full L Alpha Glycerylphosphorylcholine + Methscopolamine, Mivacurium, Phenylephrine interactionMethscopolamine, PseudoephedrineAllerx D
How Methscopolamine, Pseudoephedrine interacts with Alpha GPC 300 mg — through 1 ingredient. Tap an ingredient for the detail:
L Alpha GlycerylphosphorylcholineScopolamine (transderm Scop) Minor
Interaction Summary
Theoretically, alpha-GPC might decrease the effects of scopolamine.
Read the full L Alpha Glycerylphosphorylcholine + Methscopolamine, Pseudoephedrine interactionScopolamineScopace, Scopolamine Injection, Transderm Scop
How Scopolamine interacts with Alpha GPC 300 mg — through 1 ingredient. Tap an ingredient for the detail:
L Alpha GlycerylphosphorylcholineScopolamine (transderm Scop) Minor
Interaction Summary
Theoretically, alpha-GPC might decrease the effects of scopolamine.
Read the full L Alpha Glycerylphosphorylcholine + Scopolamine interactionEach ingredient & the kinds of drugs it affects
For each ingredient in Alpha GPC 300 mg with known interactions, here are the types of medications it can affect. Open any type for the detail — or search your exact drug in the checker above.
L Alpha Glycerylphosphorylcholine
Scopolamine (Transderm Scop)
Theoretically, alpha-GPC might decrease the effects of scopolamine.
A small clinical study shows that alpha-GPC can partially counteract the attention and memory impairment effects caused by scopolamine given intramuscularly. Whether alpha-GPC can decrease the beneficial anti-motion sickness effects of the scopolamine patch (Transderm Scop) is unclear.
Brand information
Manufacturer and brand details for Alpha GPC 300 mg, from the product label.
Zazzee Naturals
See all Zazzee Naturals products- Name
- Zazzee Naturals
- Street Address
- 400 Rella Boulevard Suite 123 Dept. 182
- City
- Montebello
- State
- NY
- ZipCode
- 10901
Alpha GPC 300 mg by Zazzee Naturals: Common Questions
Does Alpha GPC 300 mg by Zazzee Naturals interact with any medications?
How can one product interact with so many drugs?
Where does this information come from?
What is alpha-GPC and what does it do?
Does it actually work for memory or Alzheimer disease?
Are there any side effects I should know about?
Is it safe to use if I'm pregnant or breastfeeding?
Can I take this with my other medications?
Written and reviewed by the HelloPharmacist editorial staff. Our editorial policy
Not sure if Alpha GPC 300 mg is safe with your meds?
Our pharmacists answer your medication & supplement questions — free.
Label information is sourced from the NIH Dietary Supplement Label Database and reflects the product version on file; always read your actual product label. This page is for education only and is not a substitute for professional medical advice. Confirm with your pharmacist or doctor before combining supplements and medications.
The Full Monographs Behind Alpha GPC 300 mg’s Ingredients
Every ingredient we hold a full HelloPharmacist monograph for — uses, evidence, safety, and the complete interaction list.
Sources & How We Checked
Alpha GPC 300 mg's label data comes from the NIH Dietary Supplement Label Database; the ingredient interaction data is from the Natural Medicines database, reviewed by our pharmacists.
- NIH Dietary Supplement Label Database (DSLD) — The official product label on file for this supplement.
- Natural Medicines (Therapeutic Research Center) — Evidence-graded clinical reference behind the ingredient interaction data.
Content is written and reviewed by licensed HelloPharmacist pharmacists. See our data sources and editorial standards for how this information is built and checked.
The 4 references behind this product’s interaction data
Every citation that drives the interaction findings for this product’s ingredients, from the evidence-graded Natural Medicines (TRC Healthcare) database. Open an ingredient to browse its citations — links open the study on PubMed or the publisher’s site.
Alpha-gpc 4 references
- Di Perri R, Coppola G, Ambrosio LA, et al. A multicentre trial to the evaluate the efficacy and tolerability of alpha-glycerylphosphorylcholine versus cytosine diphosphocholine in patients with vascular dementia. J Int Med Res 1991;19:330-41.
- Barbagallo Sangiorgi G, Barbagallo M, Giordano M, et al. Alpha-glycerophosphocholine in the mental recovery of cerebral ischemic attacks: An Italian multicenter clinical trial. Ann N Y Acad Sci 1994;717:253-69. PubMed
- Canal N, Franceschi M, Alberoni M, et al. Effect of L-alpha-glyceryl-phosphorylcholine on amnesia caused by scopolamine. Int J Clin Pharmacol Ther Toxicol 1991;29:103-7.
- Lee G, Choi S, Chang J, et al. Association of L-a glycerylphosphorylcholine with subsequent stroke risk after 10 Years. JAMA Netw Open 2021;4(11):e2136008.
Parts of this content are provided by the Therapeutic Research Center, LLC.
DISCLAIMER: Currently this does not check for drug-drug interactions. This is not an all-inclusive comprehensive list of potential interactions and is for informational purposes only. Not all interactions are known or well-reported in the scientific literature, and new interactions are continually being reported. Input is needed from a qualified healthcare provider including a pharmacist before starting any therapy. Application of clinical judgment is necessary.
© 2021 Therapeutic Research Center, LLC