Question
Does PQQ work?
In context of PQQ·Insufficient evidence48/100
Evidence strength for PQQ is scored 42/100 in our rubric, separate from safety and marketing gap. Limited cognition and inflammation pilots; long-term safety data are thin.
Full ingredient file
This page is a short answer. Mechanisms, dosing notes, sources, and the rest of the verdict live on the hub for PQQ.
Open PQQ verdictOther questions on PQQ
A few more focused pages for the same ingredient (we keep lists short on purpose).