This site's own buyer checklist lists this specific third step — worth understanding it on its own.
This site describes it directly: notice real changes over time rather than assuming a result because you took something — worth reading this as a direct caution against the placebo-adjacent assumption that taking any product automatically produces an effect.
Since this site cannot confirm a specific biological mechanism, worth actively tracking your own experience rather than attributing any change to a specific ingredient this site itself could not verify.