On this page
Six ingredients is a sensible number for this category - long lists in small volumes are arithmetically suspicious. Here is what published research says about each, and the limitation that applies to all six equally.
The three with the strongest cases
Bacopa Monnieri has multiple randomised placebo-controlled trials reporting effects on memory acquisition and delayed recall, generally over about twelve weeks. It is the best memory ingredient in the formula and arguably the best available in the category. N-Acetyl L-Carnitine is the carnitine form with the most developed neurological research, and choosing it over plain L-carnitine base is a detail many competitors get wrong. Phosphatidylserine is a genuine structural component of neuronal membranes with trial support for memory measures, though study quality varies and the shift from bovine to plant-derived source complicates older results.
The three that need caveats
Ginkgo Biloba has a plausible mechanism and a significant negative result: the large long-term trials for preventing cognitive decline did not find benefit. Including it is defensible; citing it as proven is not. Huperzine-A is a real acetylcholinesterase inhibitor, which means a real mechanism and real pharmacological considerations - cholinergic side effects, drug interactions, and a narrow useful range measured in micrograms. St. John’s Wort has a substantial mood evidence base and the widest interaction profile of any herb in routine supplement use.
Cognizil is a stimulant-free liquid memory support formula — see current official-site pricing.
See Cognizil PricingThe problem that applies to all six
Every research finding above attaches to a specific dose of a specific extract. Bacopa trials used standardised extract at defined amounts. Ginkgo research uses extracts standardised to specified flavone glycoside and terpene lactone percentages. Huperzine-A research uses microgram quantities. Cognizil publishes neither per-serving amounts nor standardisation. So no citation anywhere - including on our own pages - can be connected to what is actually in the bottle. We state that plainly because the alternative is implying a connection we cannot demonstrate.
Pros and cons
Pros
- Bacopa Monnieri is the correct memory ingredient to include
- N-Acetyl L-Carnitine rather than the less-evidenced base form
- Only six actives, all named, none vague
- No caffeine or hidden stimulants
Cons
- No per-serving amounts published for any of the six
- No extract standardisation stated for the botanicals
- Ginkgo's large prevention trials were negative
- Huperzine-A and St. John's Wort are both dose-sensitive at unknown doses
Pricing and packages
All pricing below is from the Cognizil official website. The Cognizil discount is applied automatically by quantity — there is no code to enter, and quantity tiers are the only genuine saving available.
| Package | Price per bottle | Total | Supply | Shipping |
|---|---|---|---|---|
| 1 bottle | $69 | $69 | 30 days | Charged |
| 3 bottles | $59 | $177 | 90 days | Charged |
| 6 bottles — best value | $49 | $294 | 180 days | Free (US) |
All tiers carry the money-back guarantee. Note that marketing for this product has described the window as both 60 days and six months — confirm which is correct, and whether it runs from purchase or delivery, with support before ordering. See our refund policy.
Verdict
A genuinely well-selected six-ingredient formula for a memory product, undermined for evaluation purposes by the absence of amounts and standardisation. The ingredients are defensible; the disclosure is not.
Who this is for
Readers who want to know what each ingredient does before deciding whether the undisclosed amounts are acceptable to them.
If you are still deciding, read our buyer’s checklist and our refund policy review before ordering, and check the full ingredient list against anything you currently take.
Cognizil™ — Official Site Pricing
Liquid advanced memory support with Ginkgo Biloba, Bacopa Monnieri, St. John’s Wort, N-Acetyl L-Carnitine, Huperzine-A and Phosphatidylserine. Stimulant-free, taken once daily by dropper.
Check Cognizil AvailabilityFrom $49 per bottle on the 6-bottle tier · free US shipping on 6 bottles · 60-day money-back guaranteeInteraction notice: contains St. John’s Wort. If you take any prescription medicine, including hormonal contraception, check the interaction list and speak to a pharmacist first.