PQQ and PQQ for Fatigue / cognition

Each entry’s own grades, side by side. A grade says how strong the evidence is for one outcome — it does not rank one entry over the other.

Compound or practice

PQQ

A 'mitochondrial biogenesis' supplement whose small human trials are unconvincing.

Grade D1 graded outcomerevised Jul 10, 2026

A structured monograph in Prometheus's bundled library. Its grades are the monograph's own reading of the evidence, not a peer-reviewed review.

Evidence brief

PQQ for Fatigue / cognition

Evidence grade D — Weak, small studies

Grade D1 graded outcomerevised Jul 10, 2026

Assembled by the app from other entries in this library. It adds no evidence of its own — follow the links to the entries it draws on.

Swap the two

Graded in both

Outcomes are matched by name. Two entries can describe the same outcome in different words, so one listed further down may still be graded in the other.

OutcomePQQPQQ for Fatigue / cognition
Fatigue / cognition
Evidence grade DTrivial effectlowWeak, small studies
Evidence grade DTrivial effectlowWeak, small studies

Graded only in PQQ

None — every outcome it grades is graded in both.

Graded only in PQQ for Fatigue / cognition

None — every outcome it grades is graded in both.

What each entry says about the other

  • PQQ for Fatigue / cognition’s entry · Goes with: Read the full PQQ monograph

Both columns are read from the entries as they stand in this library. A comparison is not advice to take either one, and it is no substitute for a clinician who knows the person.