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Alpha-GPC and Choline Safety: What Is Known
Alpha-GPC is not proven safe or proven harmful. One Korean cohort linked it to more strokes and a mouse study found plaque effects, but both are weak evidence for people. No study tested CogniHoney, and no choline amount is printed in our materials.
Written by the CogniHoney label deskUpdated · 4 min read
Is alpha-GPC safe?
It is not proven safe or proven harmful; the two warning signals are both weak in different ways.
Alpha-GPC is a form of choline. The list given to this site for the sibling pack names "AGP choline", which we read as alpha-GPC. That list is unconfirmed, so check your bottle.
A large Korean insurance cohort linked alpha-GPC use to more strokes (Lee 2021, alpha-GPC and stroke). A mouse study found that GPC promoted artery plaque through gut bacteria (Mouse study, GPC and atherosclerosis). Neither shows that a capsule caused harm in a person.
What did the stroke study actually find?
It found a link, not a cause, in people who were older and had been prescribed the product.
Adults aged 50 or older with no earlier stroke were followed for ten years. Alpha-GPC users had a higher stroke risk after matching, rising with dose (Lee 2021, alpha-GPC and stroke). The authors call for more study. The mouse work asks how a molecule might harm arteries and answers in animals only (Mouse study, GPC and atherosclerosis).
| Signal | Suggests | Cannot show |
|---|---|---|
| Korean cohort | Higher stroke risk among users | That alpha-GPC caused the strokes |
| Mouse study | A gut-bacteria route to plaque | An effect at a human dose |
| CogniHoney list | Nothing; no study tested it | Safety or harm of the capsule |
How much choline is too much?
The federal upper level is 3,500 mg of choline a day from all sources, and no amount is printed for the CogniHoney line.
Adequate intakes are 550 mg a day for men and 425 mg for women. High intakes are linked to fishy odor, vomiting, sweating, low blood pressure and liver toxicity (NIH ODS, Choline). That page does not name alpha-GPC, so treat the limits as a rough guide. Food already supplies choline, and a capsule adds to it.
- 1Himalayan pink saltNamed in the sibling-pack list · amount not printedSalt
- 2Cinnamon extractNamed in the sibling-pack list · amount not printedPlants
- 3AGP choline (alpha-GPC)Named in the sibling-pack list · amount not printedNutrients
- 4Bacopa monnieri (20%)Named in the sibling-pack list · printed 20% · amount not printedPlants
- 5Lutein (5%) and Zeaxanthin (5%)Named in the sibling-pack list · printed 5% each · amount not printedNutrients
- 6Bilberry leaf powderNamed in the sibling-pack list · amount not printedPlants
- 7Vitamin B6Named in the sibling-pack list · amount not printedVitamins
- 8Ginkgo biloba powderNamed in the sibling-pack list · amount not printedPlants
- 9Vitamin B12Named in the sibling-pack list · amount not printedVitamins
- 10Green tea extract (50%)Named in the sibling-pack list · printed 50% · amount not printedPlants
Names as given in the list given to this site for the sibling pack, in that order (lutein and zeaxanthin share a row here, so 11 names make 10 rows). A percent in brackets is printed in that list; what it measures is not stated. No milligram amount is printed anywhere we can see, and none is invented. Confirm every line and amount on your bottle.
CogniHoney capsules: 30 on the bottle count2, 3 or 6 bottles · 60-day guarantee per seller materials
See packsWho should ask a pharmacist first?
Anyone with a stroke history, heart disease or several prescriptions.
- You have had a stroke or mini-stroke.
- You take blood thinners, a statin or blood pressure medicine.
- You already take another choline product.
Sudden face drooping, arm weakness or speech trouble means call 911 (CDC, Stroke Signs and Symptoms). See the choline and stroke signal page and medicine safety.
What is a sensible next step?
Read your bottle for the choline line and its amount, then show it to a pharmacist.
The sibling-pack wording says two capsules daily; at that rate 30 capsules last 15 days, so settle questions before buying a larger pack. No study has tested CogniHoney.
Mid pack
3 bottles: 90 capsules
Not listed on the packNot listed on the pack a bottle
Shipping shown at checkout · 60-day guarantee, confirm live
Order 3 bottles
Longest supply
6 bottles: 180 capsules
Not listed on the packNot listed on the pack a bottle
Shipping shown at checkout · 60-day guarantee, confirm live
Order 6 bottlesPrices are blank until copied from the live CogniHoney checkout. Check your medicines with your doctor or pharmacist before you order.
FAQ01
CogniHoney questions people ask
Is alpha-GPC linked to stroke?
One large Korean cohort found higher stroke risk among users, but it was observational and cannot prove cause.
Does CogniHoney contain alpha-GPC?
The unconfirmed sibling-pack list names AGP choline, which we read as alpha-GPC; confirm it on your bottle.
Is there a safe daily amount of choline?
The upper level for adults is 3,500 mg a day from all sources, and it does not single out alpha-GPC.
Who wrote this02
Written and reviewed by
Pages built from the label, the seller checkout and linked NIH, FDA, FTC, CDC and peer-reviewed sources.
Last updated . Read our editorial standards and how we check reviews. This website is the information site for a U.S. authorized retailer of CogniHoney. It is not the manufacturer. We earn money when you buy through our order links.
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Read the bottle you receive, check your medicines with a pharmacist (blood thinners, thyroid, statins and diabetes medicines matter here), then pick a pack. The guarantee is 60 days per the seller's materials; confirm the live wording at checkout.
- Checkout on the sales site
- 60-day guarantee (confirm live)
- Ships from the U.S.