proof.fit

PQQ

8 benefits mapped to clinical evidence across supplements.

Benefit Evidence

Antioxidant
Moderate

Antioxidant ↑ TAC, GSH

Lipid peroxidation ↓ MDA/8-isoprostane

1,634 people
Memory
Weak

Memory +14%

Attention/flow

133 people

Memory/attention +

+14.4% BDNF

Prefrontal blood flow +

133 people

Growth + yield

MDA ↓

Mito marker ↑

1,274 people

Attention + memory

PFC blood-flow +10%

Processing speed/flexibility

99 people

Brain health +14%

Memory/cognition improved

92 people

Mitochondrial ↑; fatigue unchanged

Performance no change

490 people

BDNF, NAA +8.6%

Orientation +22.2%

34 people

Similar by evidence

Supplements the same benefits carry qualifying findings for — a fact about the evidence graph, not a recommendation to swap.

Products with PQQ

Search all

10 products whose verified label declares PQQ — not every bottle that mentions it in a title.

Being studied right now

Recruiting clinical trials registered on ClinicalTrials.gov. A trial in progress has no result yet — this is what the field is asking, not what it found.