On this page
Synergy is one of the most-used and least-supported words in supplement marketing, and testing for it is harder than it sounds.
What it actually means
Synergy means the combined effect exceeds the sum of the individual effects. Demonstrating it requires a factorial design: a group receiving A alone, a group receiving B alone, a group receiving both, and a placebo group. Only then can you tell whether the combination outperforms what you would predict from adding the two. Almost no supplement combination has been tested this way, which means almost every synergy claim is an assumption rather than a finding.
Where genuine examples exist
Some do. Piperine inhibits enzymes that metabolise curcumin, and comparative absorption studies support the combination. Vitamin C enhances non-haem iron absorption through a documented mechanism. Fat improves carotenoid absorption. Caffeine with L-theanine has comparative studies, though whether the result is true synergy or two parallel effects is debated. What these share is that the mechanism is specific and the comparison was actually run.
Current Cognizil sale pricing and the guarantee terms are both shown on the order page.
See Cognizil PricingWhat to be sceptical of
Claims that a proprietary blend works synergistically, with no factorial testing behind it. Claims that ingredients work together because they relate to the same body system, which is an association not a synergy. Claims of synergy used to justify sub-research doses of each component on the grounds that less is needed in combination - this is fairy dusting with a rationale attached. When you see synergy on a label, ask what study established it.
Key takeaways
- Demonstrating synergy requires a factorial design with both single-ingredient arms
- Almost no supplement combination has been tested that way
- Piperine with curcumin and vitamin C with iron are genuine documented examples
- Synergy is often used to justify sub-research doses of each component
Cognizil in context
Nothing on this page is a claim about Cognizil specifically. Cognizil is a dietary supplement providing nutrient support for memory, focus and mental clarity; it is not a treatment for any condition and should not be used as one. For an honest read on whether it is worth the money, our value for money review states both sides. Current Cognizil sale pricing is on the official order page.
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.