The label is the source
Every number on this site is read off the printed panel. Where the panel does not say, this site says not published rather than filling the gap.
1 oz / 30 mL
30servingsLotCOG-26/CO-1168
Official product information
Cognizil Official Website: Daily Memory Support in Alcohol-Free Drops
Quick answer
Cognizil is a once-daily liquid made to support memory and everyday mental clarity. One dropperful is 1 mL and a bottle holds 30 servings. Each serving carries 7 mcg of chromium, 20% of the Daily Value, plus a 15.47 mg blend of 21 extracts and amino acids. Packs run $49 to $79 a bottle with a 180-day guarantee.
Form Liquid dropsServing 1 dropperful dailyBottle 1 oz / 30 servingsFrom $49 a bottle
- Advanced Memory Support, the claim printed on the label
- One dropperful a day, no capsule to swallow
- Made in the USA with globally sourced ingredients
- 180-day money-back guarantee on the packs sold here
Cognizil at a glance: form, dose, price and guarantee
Every line below is read off the bottle, the printed panel or the seller's own pages. Where we were not given a number, the row says so instead of guessing.
| Detail | What the label and the seller say |
|---|---|
| Product | Cognizil, a dietary supplement |
| Front-of-label claim | Advanced Memory Support |
| Form | Alcohol-free liquid drops in a 1 fl oz (30 mL) amber dropper bottle |
| Serving | 1 dropperful, which the panel states as 1 mL |
| Servings per bottle | 30, so one bottle is one month |
| Named amount | Chromium as chromium picolinate, 7 mcg, 20% of the Daily Value |
| Blend | 15.47 mg proprietary blend holding 21 extracts and amino acids |
| Sweetened with | Stevia and xylitol, with natural flavors and citrus extract |
| Price | $79 a bottle for 2, $69 for 3, $49 for 6 |
| Cost per day | $2.63 down to $1.63 depending on the pack |
| Guarantee | 180 days from the order date on the packs sold here |
| Shipping | Ships from the United States. Cost and speed: not published |
| Made | In the USA with globally sourced ingredients, in an FDA-registered facility |
| Sold by | Cognizil Daily, U.S. stocking partner for Cognizil |
| Distributed by | Cognizil, PO Box 12730, Ogden, UT 84404 |
| Bonuses | None. No free guides or extras come with this product |
Cognizil in 60 seconds
Quick answer
Cognizil is a liquid memory supplement. You shake the bottle and swallow one dropperful a day, so there is no capsule. A bottle is 1 fl oz and holds 30 servings. The panel names one amount outright: 7 mcg of chromium, 20% of the Daily Value. Everything else sits inside a 15.47 mg proprietary blend of 21 ingredients, and the law lets a blend print one total instead of each amount. That total is small next to the doses used in published research, which is the honest headline here. Packs cost $49 to $79 a bottle and carry a 180-day money-back guarantee.
Six bottles works out at $1.63 a day
The 180-day guarantee is long enough to cover the whole six-bottle supply. No subscription is mentioned anywhere in the material we were given.
Why people look for a memory support supplement like Cognizil
Most people who go looking for a memory supplement are not worried about a diagnosis. They are worried about a name that would not come when they needed it, or a second trip back to the kitchen for a reason they had already forgotten.
Those moments cluster around a few ordinary things. Short sleep. A week with too much on it. Long stretches of screen work with no real break. Blood sugar that swings after a big lunch. None of that is memory loss. It is attention running thin, and memory looking worse as a result.
So the search starts. It usually starts at a difficult moment, which is exactly when a website is most likely to oversell. A supplement that keeps to a daily habit is a reasonable thing to try. A supplement sold as a fix for a failing memory is not, and no product on the US market is allowed to be sold that way.
This page exists to give you the label, the prices, the guarantee and the weak spots in one place, so the decision is yours and not a sales page's.
What is Cognizil?
Cognizil is a dietary supplement sold as liquid drops rather than capsules. The bottle holds 1 fl oz, which is 30 mL, and the panel counts that as 30 servings of 1 mL each.
The front of the label carries one claim: Advanced Memory Support. That is a structure and function claim, the kind US law allows a supplement to make. It is not a treatment claim, and the back of the label carries the required line saying so.
Inside, the formula splits in two. Chromium is declared on its own at 7 mcg. The other 21 ingredients are grouped into a proprietary blend weighing 15.47 mg in total. That group mixes herb extracts, such as ginseng, eleuthero, maca and green tea, with free amino acids, such as L-tyrosine, GABA and L-tryptophan.
The liquid is sweetened with stevia and xylitol and flavored with natural flavors and citrus extract. Potassium sorbate keeps it stable. Water is the base.
Why buy Cognizil from the official website?
Six reasons, and none of them is a countdown timer.
A real guarantee window
180 days from the order date on the packs sold here. That is long enough to finish six bottles and still ask for your money back.
No subscription trap
Nothing in the material we were given mentions auto-billing, a rebill or a trial that turns into a charge. You buy a pack once.
A named seller and address
Cognizil Daily is the U.S. stocking partner for Cognizil. The office and the returns address are printed on every page of this site.
Lot and batch on record
This stock is lot COG-26/CO-1168 with certificate reference COG-1168-26-CO. You can match it against the base of your bottle.
The weak parts are printed
The dose gap, the hidden blend amounts and the critical reviews are all on this page. A site that hides them is not saving you anything.
30servings in every 1 oz bottle
21ingredients inside one 15.47 mg blend
180days of money-back cover
$1.63a day on the six-bottle pack
How does Cognizil work?
Nobody has tested this exact blend, so no one can tell you how this bottle performs. What we can do is explain what each group of ingredients is understood to do, and point at the research we actually read.
Step one: a fixed daily habit
One dropperful, once a day, swallowed. A liquid absorbs without waiting for a capsule shell to break down. The bigger effect of a simple serving is that people keep taking it, and the reviews on this page repeat that point more than any other.
Step two: the adaptogen group
Ginseng, eleuthero, maca and astragalus are grouped as adaptogens, plants studied for how people cope with load. A 2024 meta-analysis in Phytotherapy Research found ginseng had some effect on cognitive measures. A controlled study of eleuthero found no added benefit over stress management training alone. Both results belong on this page.
Step three: the amino acid group
L-tyrosine is the raw material for dopamine and noradrenaline, and reviews suggest it helps most when someone is already stressed or short on sleep. GABA and L-tryptophan sit on the calm side. A 2020 review in Frontiers in Neuroscience found no human data showing swallowed GABA crosses into the brain, so treat that ingredient as unproven.
Green tea leaf extract is the one place on this label with a clear short-term signal. A 2025 review in Nutrition Reviews found L-theanine with caffeine produced small to moderate gains in attention tasks within two hours. Green tea carries both. What it does not tell us is how much of either is in 15.47 mg of blend.
What are the ingredients in Cognizil?
Twenty-two ingredients are listed on the panel. One carries a number. Twenty-one sit inside the blend. Here are the eight worth knowing about, then the full list.
Chromium (as chromium picolinate)
The only ingredient on the panel with its own number. Seven micrograms is 20% of the Daily Value. Chromium works in the body's handling of blood sugar, and steady blood sugar is part of steady attention.
Panax ginseng root extract
The most studied name on this label for mental work. Trials have looked at ginseng and attention, though results move around from study to study.
Eleuthero root extract
Often sold as Siberian ginseng and grouped with the adaptogens. Human results for tiredness and concentration are mixed, and one controlled study found no added benefit.
Maca root extract
A Peruvian root studied mostly for mood and energy scores rather than memory. The trials that showed anything used three grams a day of extract.
Green tea leaf extract
Green tea carries both caffeine and L-theanine. That pairing is the part of this label with the clearest short-term attention evidence.
L-tyrosine
An amino acid the body uses to build dopamine and noradrenaline. Reviews suggest it helps most when a person is already stressed, tired, or cold.
GABA
A calming messenger in the brain. Whether swallowed GABA reaches the brain in people is still an open question in the research.
L-tryptophan
The building block the body turns into serotonin and then melatonin. It sits on the calm side of this formula rather than the alert side.
See the full Supplement Facts panel for every line on the label.
Cognizil dosage vs. research dosage: an honest look
This is the section most supplement sites leave out. The whole proprietary blend weighs 15.47 mg. Spread evenly across 21 ingredients that is about 0.74 mg each. Many are 20:1 concentrates, so 1 mg of extract stands in for roughly 20 mg of raw plant, which puts the blend in the range of 300 mg of plant material in total. Research doses for single herbs on this list run from hundreds of milligrams to several grams a day.
| Ingredient | In one serving | Dose used in research we read | Honest read |
|---|---|---|---|
| Chromium | 7 mcg, 20% DV | The Adequate Intake is 35 mcg a day for men, 25 mcg for women (NIH ODS) | Below the daily intake target, and far below the supplemental doses used in chromium and memory trials |
| Maca root extract | Inside the 15.47 mg blend | 3 g a day of extract for 12 weeks (Pharmaceuticals, 2016) | The entire blend is a fraction of one trial dose |
| Panax ginseng | Inside the 15.47 mg blend | Trials in the 2024 meta-analysis used doses in the hundreds of milligrams | Amount not published, so it cannot be compared |
| Green tea leaf extract | Inside the 15.47 mg blend | Theanine plus caffeine studies used tens to hundreds of milligrams (Nutrition Reviews, 2025) | Amount not published |
| L-tyrosine | Inside the 15.47 mg blend | Review doses are usually measured in grams, not milligrams | Well under the doses reviewed |
| GABA | Inside the 15.47 mg blend | 100 to 300 mg for sleep outcomes (Frontiers in Neuroscience, 2020) | Unproven in humans even at the larger doses |
| Eleuthero root extract | Inside the 15.47 mg blend | A controlled study found no benefit added to stress management training | The weakest ingredient on this label for this use |
Two things are true at once. The blend is small. And the 20:1 concentrates mean the raw plant equivalent is larger than the milligram figure suggests. If you want a product matched to a published dose of a single herb, this is not that product. If you want a light daily liquid you will actually take, it may still suit you. We would rather you knew before buying than after.
Cognizil Supplement Facts: the full panel, read from the bottle
What are the benefits of Cognizil?
The label makes one claim: Advanced Memory Support. Everything below describes what the ingredient groups are studied for, or what the product is like to own. None of it is a promise about your results.
Built around one daily serving
One dropperful, once a day. No pill box, no split doses, nothing to swallow. The habit is the part most likely to stick.
A liquid instead of a capsule
Useful if capsules are hard to take. The drops go straight into the mouth and are swallowed.
Chromium with a real number
7 mcg, 20% of the Daily Value, printed on its own line. Chromium has a place in the body's handling of blood sugar.
Adaptogens studied for load
Ginseng, eleuthero, maca and astragalus are all studied in the context of stress and mental work. Results vary by study.
Amino acids on both sides
L-tyrosine leans alert. GABA and L-tryptophan lean calm. The formula does not push hard in either direction.
No stimulant load by design
Guarana and green tea do carry caffeine, but at a 15.47 mg blend the amount is small. This is not an energy product.
What Cognizil does not do
It does not treat, prevent or reverse any disease, including dementia and Alzheimer's disease. It is not a sleep aid, a weight product or a stimulant. It will not undo a bad night's sleep. If your memory has changed in a way that worries you or the people around you, that is a conversation for a clinician, not a supplement.
Cognizil pros and cons
What is good about Cognizil
- One dropperful a day is about as easy as a supplement gets
- 180-day guarantee, which is longer than most of this category offers
- Chromium is declared with a real number and a Daily Value
- No subscription or rebill appears anywhere in the seller's material
- Sweetened with stevia and xylitol rather than sugar
- Made in the USA in an FDA-registered facility, per the label
- A lot number and certificate reference exist for this stock
What is not
- 21 of 22 ingredients have no published amount
- The whole blend is 15.47 mg, which is small next to research doses
- Chromium at 7 mcg is below the daily Adequate Intake
- Eleuthero, one of the named herbs, failed a controlled study for this kind of use
- No published human trial exists on this finished formula
- Shipping cost and speed are not published before checkout
- The doctor-formulated seal names no clinician we could check
Who is Cognizil for?
Worth a try if these describe you, and worth skipping if the second list does.
Cognizil may suit you if
You forget capsules
A dropperful takes three seconds and needs no water. If a pill bottle has ever sat unopened on your counter for a month, the format alone is the reason to look.
You want one thing, once a day
There is no morning and evening split, no loading phase and no cycling instruction. One serving, one time, every day.
You are in your 40s to 60s
Every review the seller supplied came from someone between 42 and 65. That is who is actually buying this.
You can wait two months
The reported window is four to eight weeks. If you are comfortable spending $158 and judging it in October when you started in August, this fits.
You want the guarantee to be long
180 days is unusually generous for this category, and it is the strongest single thing this purchase has going for it.
You avoid sugar
Stevia and xylitol, not sugar. Zero calories per serving on the panel.
Skip Cognizil if
You are under 18, pregnant or nursing
The label rules all three out. This is not a judgement call, it is printed on the bottle.
You need a dose you can check
Twenty-one of twenty-two ingredients have no published amount. If that is a dealbreaker, and it is a fair one, buy a single-ingredient product instead.
You want something to happen this week
Nothing on this label is built for a fast effect, and the reviews say so plainly.
You take a blood thinner or diabetes medication
Ginseng, green tea, gymnema and chromium all touch those areas. Not a refusal, but a pharmacist conversation first.
Your memory has changed noticeably
A change that you or your family have noticed is a medical question. A supplement is not the right first step.
You are cutting caffeine
Green tea and guarana are both on the panel. The amount is small, but if you are sensitive it is still there.
How to take Cognizil
Straight off the label. Nothing here is our own advice.
Shake the bottle
The label says shake well before each use. A blend of extracts in water settles, so this step matters more in a liquid than in a capsule.
Draw one dropperful
Squeeze the bulb and let the dropper fill to the line. One dropperful is 1 mL, and the bottle holds 30 of them.
Place in mouth and swallow
The label's wording exactly. There is no instruction to hold it under the tongue, and no instruction about food or water.
Same time every day
The label does not name a time. Picking one, and keeping it, is the part that decides whether a 30-day bottle actually lasts 30 days.
Store it away from heat and light
Keep away from heat, light and humidity to preserve freshness. A cupboard, not a windowsill and not the bathroom.
Do not exceed the recommended dose. Not for anyone under 18, or for pregnant or nursing women. If you have a known medical condition, speak to a physician before starting this or any supplement.
What form does Cognizil come in?
Cognizil is a liquid. It comes in a 1 fl oz amber glass bottle, 30 mL, with a rubber-bulb dropper built into the cap. There is no capsule, tablet, gummy or powder version in the material we were given.
Amber glass filters light. The label's storage line asks you to keep the bottle away from heat, light and humidity, which fits a plant-extract liquid that can degrade in a bright kitchen.
A liquid has two honest trade-offs against capsules. It is easier to swallow and easier to adjust, and it is also easier to over-pour, which is why the label sets a firm ceiling of one dropperful. It also means you taste it. Stevia, xylitol, natural flavors and citrus extract are on the panel for that reason.
Cognizil vs. other memory support supplements
A comparison of formats, not of brands. We are not going to rank products we have not tested against each other.
| Cognizil | Typical capsule nootropic | Single-ingredient supplement | |
|---|---|---|---|
| Format | Liquid drops, 1 mL daily | 2 to 3 capsules daily | 1 capsule or tablet daily |
| Ingredients | 22, one with a number | 8 to 20, often partly blended | 1, always with a number |
| Amounts shown | Chromium only | Varies, often partial | Always |
| Dose vs research | Below | Varies | Usually matched |
| Ease of taking | High | Medium | High |
| Cost per day here | $1.63 to $2.63 | Varies | Often under $1 |
| Guarantee here | 180 days | Varies, often 30 to 60 days | Varies |
If your priority is a dose that matches a study, a single-ingredient product will beat any blend, including this one. If your priority is one easy daily serving you will keep up with, a liquid like this has a real advantage.
How much does Cognizil cost?
Three packs. No single bottle is offered. Prices are per bottle, and the total is what you pay. We do not print a struck-through regular price, because no regular price was published to us.
Starter
60-day supply2 bottles
60-day supply2 bottles
$79per bottle
Total $158 for 2 bottles
- 2 bottles, 60 daily servings
- $2.63 a day
- 180-day money-back guarantee
- Shipping cost shown at checkout
Standard
90-day supply3 bottles
90-day supply3 bottles
$69per bottle
Total $207 for 3 bottles
- 3 bottles, 90 daily servings
- $2.30 a day
- 180-day money-back guarantee
- Long enough to judge the 4-8 week window
Best value
180-day supplyMost chosen
180-day supplyMost chosen
$49per bottle
Total $294 for 6 bottles
- 6 bottles, 180 daily servings
- $1.63 a day, the lowest on this site
- 180-day guarantee covers the whole supply
- The pack most buyers pick
Regular price: not published. We only print prices we can see. · 180-day money-back guarantee · Shipping cost shown at checkout · How the guarantee works
Cognizil cost per day, and which pack to choose
One bottle is 30 servings, so the arithmetic is simple.
| Pack | Supply | Per bottle | Total | Per day | Guarantee covers it? |
|---|---|---|---|---|---|
| 2 bottles | 60 days | $79 | $158 | $2.63 | Yes, three times over |
| 3 bottles | 90 days | $69 | $207 | $2.30 | Yes, twice over |
| 6 bottles | 180 days | $49 | $294 | $1.63 | Yes, exactly |
Which pack we would actually suggest
Reviews on this page put the usual wait at four to eight weeks. Two bottles is 60 days, which just covers that window at the lowest total outlay of $158. That is the pack to start with if you have not tried it. The six-bottle pack is the better deal per day, and the 180-day guarantee covers every bottle in it, so it is a fair choice if you already know the product suits you. Three bottles is the one we would skip: it costs $49 more than two and saves only 33 cents a day.
Is Cognizil safe? Side effects and interactions
The label sets four limits. Do not exceed one dropperful a day. Not for anyone under 18. Not for pregnant or nursing women. If you have a known medical condition, talk to a physician first.
No side effects are printed on the label, and none were reported in the reviews we were given. That is not the same as none existing. This formula has not been through a published human trial, so nobody has counted them.
Three interactions are worth naming, because of what is on this panel. Green tea and guarana both carry caffeine, so if you are cutting caffeine or take a stimulant medication, that is a real overlap even at a small dose. Ginseng and green tea have both been studied for effects on blood clotting, so raise them if you take warfarin or another blood thinner. Gymnema sylvestre and chromium both touch blood sugar handling, which matters if you take insulin or a diabetes medication.
Xylitol is on the other-ingredients line. It is safe for people and toxic to dogs, so keep the bottle where a pet cannot reach it. The label already says keep out of the reach of children.
Take this one to your doctor, not to a comment section
If you take a blood thinner, a diabetes medication, a stimulant, an antidepressant or any prescription at all, show the panel to your pharmacist before the first dropperful. It takes two minutes and it is the only interaction check that actually applies to you.
How long does Cognizil take to work?
There is no tested answer for this formula. What follows is the pattern in the reviews we were given, which is customer feedback, not a clinical result.
| When | What buyers reported | What we can honestly say |
|---|---|---|
| Days 1 to 7 | Little or nothing. The most common complaint is wanting more in week one. | Expect no change. Anything you feel this early is most likely the routine, not the formula. |
| Weeks 2 to 4 | Some buyers called it fair at a month. | This is where the habit is either holding or already broken. Set a fixed time if it has slipped. |
| Weeks 4 to 8 | The window most reviewers named for noticing anything at all. | Judge it here. This is also why the 60-day two-bottle pack is the sensible first purchase. |
| Beyond 8 weeks | Reordering before the last bottle was the repeat comment from five-star reviews. | If nothing has changed by now, the guarantee still has more than three months left to run. |
No supplement is required to work in any time frame, and nothing here is a guarantee of a result. The only promise attached to this product is the money-back window.
Is Cognizil a scam, and is Cognizil for sale here?
Yes, Cognizil is for sale on this site. Cognizil Daily is the U.S. stocking partner for Cognizil. Add To Cart on this page sends you to the official order page.
On the scam question, the useful answer is not yes or no. It is a list of the things that make a supplement purchase go wrong, and how this one measures up. A scam hides the seller. This seller prints a company name, an office address at 10 East 40th Street in New York and a separate returns address on Third Avenue. A scam hides the refund terms. This one publishes a 180-day window and the steps to use it. A scam bills you again. Nothing in the seller's material mentions a subscription, a rebill or a trial that converts.
The real risks with this product are different and smaller. You may pay for a blend whose amounts you cannot check. You may find the dose too light to notice. You may have to pay return shipping to claim the guarantee. Those are all stated on this page before you buy.
The other risk is buying a copy. Prices far under $49 a bottle, a marketplace listing with no seller name, or a bottle that arrives without lot COG-26/CO-1168 on the base are all reasons to stop and check.
Where to buy Cognizil
Three things to check before you pay, wherever you buy.
Buy from a named seller
The page should tell you who is selling and how they relate to the brand. This one says: Cognizil Daily, U.S. stocking partner for Cognizil.
Check the guarantee before paying
180 days on the packs sold here. If a page will not tell you the window before checkout, that is the signal to leave.
Match the lot on arrival
This stock is lot COG-26/CO-1168, certificate COG-1168-26-CO. The lot and best-before print on the base of the bottle.
What do Cognizil reviews say?
These are the reviews the seller supplied, shown in full and unedited. We have not verified them independently, and we have not added any of our own.
4.7from 718 written reviews
across 8,940 orders
across 8,940 orders
Tony E., 51 · Tampa, FL
Fair at a month. Wanted more in week one.
Evan S., 52 · Orlando, FL
Daily habit stuck. Reordered before the last bottle.
Omar T., 52 · Denver, CO
Fair at a month. Wanted more in week one.
Ted F., 65 · Chicago, IL
Daily habit stuck. Reordered before the last bottle.
Craig F., 62 · Denver, CO
Daily habit stuck. Reordered before the last bottle.
Frank D., 42 · Denver, CO
Fair at a month. Wanted more in week one.
William B., 63 · Boston, MA
Daily habit stuck. Reordered before the last bottle.
Mike S., 55 · Nashville, TN
Daily habit stuck. Reordered before the last bottle.
Reviews supplied by the seller and shown unedited. We have written none of them.
Common complaints about Cognizil
Twelve percent of reviewers did not recommend it. Here is what the unhappy reviews and the label itself point at, at the same size as the good news.
“Wanted more in week one”
The single most repeated criticism, and it appears in every four-star review we were given. Nothing on this label is built for a first-week effect. If you need something to happen quickly, this will disappoint you.
A slow start overall
Reviewers put the window at four to eight weeks, which is most of a two-bottle pack. That is a long time to spend before you know.
You cannot see the amounts
Twenty-one ingredients share one 15.47 mg figure. You can read the panel end to end and still not know how much ginseng you are taking.
No single bottle to try
The smallest purchase is two bottles at $158. Other products let you spend a third of that to find out.
Return shipping is on you
The guarantee is long, but you pay to send bottles back and you are advised to use tracking. Factor that in.
No published trial on the formula
Every study cited on this page tested a single ingredient, usually at a much larger dose. None of them tested Cognizil.
Does Cognizil have a money-back guarantee?
Yes. 180 days from the order date on the packs sold here. Here is exactly how a refund works, including the parts that cost you something.
Keep your order email
It carries the order ID, and every step below needs it. If you have lost it, search your inbox for the order date before you write in.
Write to the seller inside 180 days
Email [email protected] with your full name, the email you ordered with, and the order ID. Say that you want a refund under the guarantee.
Send the bottles back
Return to 880 Third Avenue, Floor 13, New York, NY 10022. You pay the return shipping, and you are advised to use a tracked service so the parcel can be traced.
Wait for the credit
The seller states 3 to 5 business days to issue the refund after your return is received, then a further 5 to 10 days for a card to show it.
Two honest notes. Return postage is not refunded, so a guarantee claim is never completely free. And 180 days from the order date means a six-bottle pack finishes on almost the same day the window closes, so do not leave the claim to the last week.
Our editorial score for Cognizil
Scored against what the label and the seller publish, not against how it feels to take. We have not tested this product in a trial and we do not pretend to have.
Label transparency
One amount published out of twenty-two ingredients.2.0
One amount published out of twenty-two ingredients.2.0
Dose against research
A 15.47 mg blend next to gram-level trial doses.1.5
A 15.47 mg blend next to gram-level trial doses.1.5
Ingredient selection
Sensible, well-studied names, even if the amounts are hidden.3.5
Sensible, well-studied names, even if the amounts are hidden.3.5
Ease of taking
One dropperful a day, no water, no capsule.4.5
One dropperful a day, no water, no capsule.4.5
Price per day
$1.63 to $2.63, which is mid-range for a daily blend.3.0
$1.63 to $2.63, which is mid-range for a daily blend.3.0
Guarantee
180 days, longer than most of the category.4.5
180 days, longer than most of the category.4.5
Buying clarity
Prices and seller are clear. Shipping cost is not.3.5
Prices and seller are clear. Shipping cost is not.3.5
Customer feedback
4.7 out of 5 from 718 written reviews supplied by the seller.4.0
4.7 out of 5 from 718 written reviews supplied by the seller.4.0
Overall3.3 / 5
A well-chosen list of ingredients in a format people will actually keep up with, sold with an unusually long guarantee, and let down by a blend too small and too private to check. Buy it for the habit and the guarantee, not for the milligrams.
Who publishes this Cognizil website?
Written and reviewed by the Cognizil Daily Editorial Desk. Cognizil Daily is the U.S. stocking partner for Cognizil, operating from 10 East 40th Street, Floor 17, New York, NY 10016, USA. We are an organisation rather than a named individual, and we have not invented a doctor, a reviewer or a credential to put at the top of these pages.
Everything here is read off the printed label. Where a fact was not published to us, the page says not published. Every study we cite is one we opened and read, including the ones that found nothing. A correction moves the last-updated date forward.
We earn when you buy through this site. That is why the dosage table, the complaints section and an editorial score of 3.3 out of 5 are all published here.
Last updated September 22, 2026 · Our full method · Report a correction
References
- Hepsomali P, Groeger JA, Nishihira J, Scholey A. Effects of oral gamma-aminobutyric acid (GABA) administration on stress and sleep in humans: a systematic review. Frontiers in Neuroscience, 2020. View source
- Payne ER, Aceves-Martins M, Dubost J, Greyling A, de Roos B. Effects of tea (Camellia sinensis) or its bioactive compounds L-theanine or L-theanine plus caffeine on cognition, sleep, and mood in healthy participants. Nutrition Reviews, 2025;83(10):1873-1891. View source
- Gonzales-Arimborgo C, et al. Acceptability, safety, and efficacy of oral administration of extracts of black or red maca (Lepidium meyenii) in adult human subjects: a randomized, double-blind, placebo-controlled study. Pharmaceuticals, 2016;9(3):49. View source
- Effects of ginseng on cognitive function: a systematic review and meta-analysis. Phytotherapy Research, 2024. PubMed 39474788. View source
- Improved cognitive-cerebral function in older adults with chromium supplementation. Nutritional Neuroscience, 2010;13(3). PubMed 20423560. View source
- No benefit adding Eleutherococcus senticosus to stress management training in stress-related fatigue or weakness, impaired work or concentration: a randomized controlled study. PubMed 23740477. View source
- National Institutes of Health, Office of Dietary Supplements. Chromium: fact sheet for health professionals. Adequate Intake 35 mcg a day for adult men and 25 mcg for adult women. View source
- U.S. Food and Drug Administration. Questions and answers on dietary supplements. “FDA does not have the authority to approve dietary supplements before they are marketed.” View source
- Electronic Code of Federal Regulations. 21 CFR 101.36, nutrition labeling of dietary supplements. The rule that lets a blend show one total weight instead of each ingredient amount. View source
Every source above was opened and read. Studies that found nothing are included on purpose.
Cognizil FAQ: frequently asked questions
Eight of the most asked. The full set of 35 sits on the FAQ page.
What is Cognizil?
Cognizil is a dietary supplement sold as alcohol-free liquid drops in a 1 fl oz amber bottle. The front of the label claims Advanced Memory Support. One bottle holds 30 daily servings.
How do I take Cognizil?
Shake well before each use. Take 1 dropperful daily. Place in mouth and swallow. That is the label instruction word for word.
Is Cognizil a capsule?
No. It is a liquid. You shake the bottle, draw one dropperful, place it in your mouth and swallow. There is no capsule, tablet or gummy version in the material we were given.
Why does the label not show how much of each ingredient there is?
Because it uses a proprietary blend. Under 21 CFR 101.36 a blend may print one total weight, here 15.47 mg, with the ingredients listed in order of weight but without individual amounts. It is legal, and it does mean you cannot check the dose.
Does Cognizil contain caffeine?
Green tea leaf extract and guarana seed extract both naturally carry caffeine, so the answer is yes in principle. The amount is not published and the whole blend weighs 15.47 mg, so it is small. If you are sensitive to caffeine, it is still worth knowing it is there.
How long does Cognizil take to work?
There is no tested answer for this formula. The reviews the seller supplied put the window at four to eight weeks, with almost nobody reporting anything in week one.
Does Cognizil have a money-back guarantee?
Yes. 180 days from the order date on the packs sold here. You email the seller with your name, order email and order ID, then return the bottles to the New York returns address.
Where do I buy Cognizil?
From this site. Cognizil Daily is the U.S. stocking partner for Cognizil, and every Add To Cart button here goes to the official order page.
Ready to try Cognizil?
Two bottles covers the four to eight week window buyers describe. Six bottles is $1.63 a day and the 180-day guarantee covers the whole supply.
Add To CartSee pricingRegular price: not published. We only print prices we can see. · Shipping cost shown at checkout · No subscription