USA Authorized CogniHoney Retailer30 capsules on the bottle countShips from the U.S.60-day guarantee per seller materials
Order now

Side effects

CogniHoney Side Effects: What Each Named Ingredient Can Cause

Quick answer

No study has tested CogniHoney, so its own side effects are unknown. The named ingredients have known ones: stomach upset and sedation with bacopa, dizziness and bleeding risk with ginkgo, rare liver injury with green tea extract, and a stroke association with alpha-GPC. Stop and call a doctor for the warning signs below.

Written by the CogniHoney label deskUpdated

Side effects01

What side effects are known?

The product has no side-effect data of its own. The named ingredients do.

Known effects of the named ingredients
IngredientEffects named in sourcesSource
GinkgoDizziness, stomach problems, headache; bleeding risk with anticoagulants(NCCIH, Ginkgo)
BacopaMore stools, nausea, cramps; mild sedation(StatPearls, Bacopa monnieri)
Green tea extractRare liver injury; nausea, constipation, abdominal discomfort, higher blood pressure; caffeine(NCCIH, Green Tea)
AGP cholineFishy odor, sweating, vomiting, low blood pressure at high intakes(NIH ODS, Choline)
Vitamin B6Nerve damage at very high long-term intakes(NIH ODS, Vitamin B6)

Read the table as a list of possibilities, not predictions. Most people who take a given herb will not get most of these. Side effects are more likely at high doses, when a supplement replaces a medicine, or when several products are combined (NIH ODS, What You Need to Know).

Side effects02

What are the most likely complaints?

Digestive ones, because bacopa, ginkgo and green tea extract all act on the stomach.

Bacopa's usual effects are stomach upset, such as more frequent stools, nausea and cramps (StatPearls, Bacopa monnieri). Ginkgo can add dizziness, headache and stomach upset (NCCIH, Ginkgo). Taking capsules with a full glass of water and with a meal, as the sibling-pack wording says, may ease the stomach. If a bottle's own directions differ, follow the bottle. Persistent diarrhea, vomiting or dizziness is a reason to stop and call a pharmacist, not to push through.

Side effects03

What are the rare but serious risks?

Liver injury, bleeding and a stroke association are the three that matter most.

  • Liver: green tea extract is a well-established but uncommon cause of liver injury, usually appearing 1 to 6 months into use (NIH LiverTox, Green Tea). Cassia cinnamon adds a coumarin concern for sensitive people (NCCIH, Cinnamon).
  • Bleeding: ginkgo may raise bleeding risk, especially alongside blood thinners (NCCIH, Ginkgo).
  • Stroke: in a large Korean cohort of adults aged 50 or older, alpha-GPC users had a higher 10-year risk of stroke. The study is observational, which shows association, not cause (Lee 2021, alpha-GPC and stroke).

A rare risk is still a risk if it lands on you. That is why the groups on the who it is for page should ask first.

Side effects04

What do we not know?

Most of what matters most for a real buyer.

We do not know the amount of any line, so we cannot say whether a serving sits near any threshold. We do not know whether the green tea extract is decaffeinated, which species of cinnamon is used, or whether the AGP choline is alpha-GPC as we read it. We do not know what other ingredients, fillers or allergens the capsule holds, because no panel was given to this site. And no one has run a safety study on the finished product. Each unknown moves the responsibility to the label on your bottle and to the person who checks your medicines.

Side effects05

What are the warning signs?

  1. Bleeding or bruisingUnusual bruising, nosebleeds, blood in urine or stool, or heavy bleeding. Stop the capsules and call your doctor; ginkgo is named in the list.
  2. Stomach upset, dizziness, headacheThe usual complaints named for ginkgo and bacopa. Stop and ask your pharmacist if they continue.
  3. Liver warning signsAbdominal pain, dark urine, or yellowing of the skin or eyes. Stop and see a clinician the same day (green tea extract, cassia cinnamon).
  4. Allergic reactionHives, swelling of the lips or face, or wheezing. Stop and get help.
  5. Call 911, do not driveFace drooping, arm weakness, slurred speech, sudden confusion, sudden vision loss, a sudden severe headache, or chest pain: call 911 right away.

Stroke signs: CDC (CDC, Stroke Signs and Symptoms). Liver signs: USP caution on green tea extract (USP 2020, green tea extract review). This list is not complete, and a supplement is never a reason to wait.

Side effects06

When should you stop and call?

Stop the capsules and call your doctor for bleeding, dark urine, jaundice, hives, or numbness and tingling.

Call 911 for stroke signs. FDA asks you to stop and report a bad reaction; MedWatch takes supplement reports (FDA 101: Dietary Supplements) (FDA MedWatch). Keep the bottle and lot number when you report.

CogniHoney capsules: 30 on the bottle count2, 3 or 6 bottles · 60-day guarantee per seller materials

See packs

Side effects07

How do you report a reaction?

  1. Stop

    Stop the capsules.

  2. Call

    Tell your doctor and pharmacist what you took and when you stopped.

  3. Report

    File with FDA MedWatch, and tell the seller at +1 (302) 200-3480.

  4. Keep the bottle

    Keep the bottle, a photo of the label and the lot number.

Reports help regulators see patterns that no single patient can. They also support a guarantee claim; see the guarantee page.

Side effects08

Why can several small risks add up?

Because the capsule combines eleven lines, and each has its own quirks.

01

Same organ, many lines

Green tea extract and cassia cinnamon both raise a liver question. Two small flags near one organ matter more than one.

02

Same effect, many lines

Ginkgo may raise bleeding risk, and a blood thinner does the same by design. The sum is what your doctor cares about.

03

Unknown amounts

Without milligrams, nobody can say which line dominates a serving, or whether you also take the same vitamin elsewhere.

That last point is practical. Many multivitamins contain B6 and B12. Stacking products for the same goal can push a vitamin toward its upper limit; for B6, long-term intakes of 1 to 6 g a day can cause severe nerve damage (NIH ODS, Vitamin B6), far above any ordinary dose, but a reason to count your sources.

Side effects09

When do side effects usually show up?

Digestive effects tend to appear in the first days, while liver effects can take weeks or months.

That difference shapes how you watch. Stomach upset is obvious and fast, so you will know within a few days. Liver trouble can be silent, then show up as tiredness, nausea, dark urine or yellow skin or eyes, typically within 1 to 6 months for green tea extract (NIH LiverTox, Green Tea). If you take the capsules for weeks, keep checking yourself, and tell your doctor if you are scheduled for blood tests.

Side effects10

How can you lower the chance of trouble?

Start with the pharmacist, follow the bottle, and write things down.

  • Show a pharmacist the full ingredient list before the first capsule.
  • Take only the amount on your bottle, not more.
  • Do not add other supplements for the same goal at the same time.
  • Keep a dated log of symptoms, so you can tell a coincidence from a pattern.
  • Tell every provider you see, and every surgical team, that you take it (NCCIH, Using Dietary Supplements Wisely).

FAQ11

CogniHoney questions people ask

Does CogniHoney cause stomach upset?

Bacopa and ginkgo are named for stomach upset. Take as the bottle says and ask your pharmacist.

Can CogniHoney hurt my liver?

Green tea extract and cassia cinnamon carry liver cautions.

Can it cause bleeding?

Ginkgo may raise bleeding risk with blood thinners.

Can CogniHoney cause headaches or dizziness?

Ginkgo is named for both. Stop and call a pharmacist if they persist.

Can CogniHoney affect sleep?

Green tea extract may contain caffeine, and bacopa can cause mild sedation. The effect on sleep for this capsule is unknown.

How do I report a side effect?

Stop the capsules, call your doctor, and report to FDA MedWatch with the lot number.

Who wrote this12

Written and reviewed by

Written byThe CogniHoney label deskIcognihoney, USA Authorized CogniHoney Retailer

Pages built from the label, the seller checkout and linked NIH, FDA, FTC, CDC and peer-reviewed sources.

Medically reviewed byDr. Neelum Aggarwal, MD, PhysicianRole: Medical reviewerReview date: October 31, 2026

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.

Keep reading

More about CogniHoney

USA Authorized CogniHoney Retailer

Ready to look at CogniHoney?

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.
Three black CogniHoney capsule bottles

CogniHoney30 capsules on the bottle count · 60-day guarantee

See packs