Short answer: Spermidine carries the most developed direct cognitive research of the four named ingredients, while Konjac Glucomannan is well studied for digestive and metabolic health with limited direct cognitive research — two honestly, differently rated ingredients.
Spermidine: the formula's strongest evidence anchor
A naturally occurring polyamine studied in the longevity space, with human trials including positive results, though not every trial has shown a benefit — an honestly moderate, not overstated, rating.
Konjac Glucomannan: well-established, but not for cognition
A soluble fiber from the konjac root, well studied for digestive and metabolic health — direct cognitive research specifically is limited, an honest gap acknowledged rather than glossed over.
Why both are still reasonable inclusions
Konjac Glucomannan's well-established digestive benefit, paired with Spermidine's more directly cognitive-relevant research, reflects a formula built on genuinely useful ingredients rated according to their actual, differing evidence bases.
See both honestly rated in IQHoney's formula
Moderate and limited evidence, labeled accurately.
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