Stomach upset
The most common complaint with any concentrated liquid taken on an empty stomach. If it happens, take it with a meal and see whether it settles.
No side effects are printed on the label. That is not the same as none existing, and this page explains the difference.
The Cognizil label prints no side effects, and none appeared in the reviews supplied to us. No published human trial exists on this formula, so nobody has counted them. Three interaction areas are worth raising before you start: blood thinners, because of ginseng and green tea; diabetes medication, because of chromium and gymnema sylvestre; and stimulants, because green tea and guarana both carry caffeine. The label rules out anyone under 18 and anyone pregnant or nursing.
Four lines on the bottle set the limits, and they are worth reading as written rather than summarised.
Do not exceed recommended dose. Not for use by individuals under the age of 18, or by pregnant or nursing women. Individuals with a known medical condition should consult a physician before using this or any dietary supplement. Keep out of the reach of children.
That is the entire safety text. No side effect is named, no adverse reaction is listed, and no stopping instruction is given.
For a supplement this is completely normal, and it is also why a page like this one exists. A label that lists no side effects is a label, not a safety study.
These come from what is on the panel, not from reported cases with this product. Take them to a pharmacist, who can check them against your actual prescriptions.
| If you take | Why it matters here | What to do |
|---|---|---|
| Warfarin or another blood thinner | Panax ginseng and green tea have both been studied for effects on blood clotting | Ask before starting. This is the most important row on the page |
| Insulin or diabetes medication | Chromium and gymnema sylvestre both touch blood sugar handling | Ask before starting, and watch your readings for the first two weeks |
| A stimulant, or you are cutting caffeine | Green tea and guarana both carry natural caffeine | Amount is small and unpublished. Worth knowing it is there |
| Blood pressure medication | Monoammonium glycyrrhizinate comes from licorice, which in large amounts can affect blood pressure and potassium | Amount here is very small. Mention it if you already monitor |
| An antidepressant | L-tryptophan is the precursor the body turns into serotonin | Raise it, particularly with an SSRI or an MAOI |
| Any daily prescription at all | Twenty-two ingredients is a lot of surface area | Show your pharmacist the panel. It takes two minutes |
Reasoned from what is on the panel. None of this has been reported with this product, and we are not implying that it has.
The most common complaint with any concentrated liquid taken on an empty stomach. If it happens, take it with a meal and see whether it settles.
Xylitol in larger amounts can loosen the bowel in some people. At the amount used to sweeten 1 mL, this is unlikely.
Green tea and guarana are both on the panel. If you react to small amounts of caffeine, an evening dose is the wrong choice.
Chromium and gymnema sylvestre are both studied in this area. Relevant if you already manage your levels.
Twenty-one botanical and amino acid ingredients is a wide list. If you have a known plant allergy, read the full panel before buying.
The most likely outcome by a distance, in both directions. Most people report neither a side effect nor a dramatic result.
Stop and speak to a clinician if anything new appears after you start: a rash, swelling, difficulty breathing, a racing heart, persistent stomach pain or a change in your blood sugar readings.
Stop before any surgery, and tell the surgical team what you have been taking. Ingredients studied for effects on clotting matter in an operating theatre, and two weeks of notice is the usual advice for any herbal supplement.
Stop if you become pregnant. The label rules out pregnancy and nursing without qualification.
And stop if it is not doing anything by week eight. That is not a safety point, it is a money point, and the 180-day guarantee is there precisely so you can act on it.
If you have a serious reaction to any dietary supplement in the United States, you can report it to the FDA through MedWatch, and you should also tell the seller. Email [email protected] with your order ID and what happened. A report only helps if it is made.
Most people notice nothing at all, in either direction, which is the expected outcome.
If something does happen, it tends to happen early. Keep a note for the first seven days: how your stomach feels in the hour after the dose, how you sleep that night, and anything unusual you would otherwise forget by the weekend.
Taking the first few doses in the morning makes this easier to interpret, because it separates a sleep effect from a general one. If the dose is at night and your sleep changes, you cannot tell which way round it is.
If you manage diabetes, check your readings a little more closely for the first fortnight. Chromium and gymnema sylvestre are both studied in blood sugar handling, and your own numbers are better evidence than any page.
Stop taking this and any other herbal supplement at least two weeks before planned surgery, and tell the surgical team what you have been taking. Ingredients studied for effects on clotting matter in an operating theatre, and this is standard advice for every botanical product rather than a concern specific to this one.
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 subscriptionNone are printed on the label and none appeared in the reviews supplied to us. That is not evidence that there are none. Stop and speak to a clinician if anything changes after you start.
The label sets the limits: one dropperful a day, no one under 18, not for pregnant or nursing women, and a physician conversation first if you have a known medical condition. No side effects are printed, and this formula has not been through a published human trial, so nobody has counted them.
It can. Ginseng and green tea have been studied for effects on blood clotting, which matters with warfarin and other blood thinners. Gymnema sylvestre and chromium both touch blood sugar handling, which matters with insulin and diabetes medication. Show the panel to your pharmacist.
Chromium has a role in how the body handles blood sugar, and gymnema sylvestre is studied in the same area. At 7 mcg of chromium and a 15.47 mg blend the amounts are small, but if you manage diabetes, treat this as a question for your doctor rather than for a website.
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.
Anyone under 18. Anyone pregnant or nursing. Anyone with a known medical condition who has not spoken to a physician first. Those three come straight off the label.
Not for people at this amount. It is toxic to dogs, so store the bottle where a pet cannot get to it. The label already asks you to keep it out of reach of children.
No, and no supplement may be sold as if it can. The label carries the required line: these statements have not been evaluated by the Food and Drug Administration, and this product is not intended to diagnose, treat, cure or prevent any disease.
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