Question
PQQ side effects
In context of PQQ·Insufficient evidence48/100
Reported issues in our file focus on commonly discussed adverse effects and monitoring cues: Insomnia Headache GI upset
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).