ByDr. Brennan Commerford, D.C.·Last reviewed: July 2026
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Micro PQQ: verification pending

We’re confirming the science for this compound before we publish a form ranking. Our team reviews every ranked page against peer-reviewed absorption data — this one is still under review, so we are not showing a score yet.

Check back soon. Rankings are reviewed by Dr. Brennan Commerford, D.C.

References

  1. A double-blind, placebo-controlled study in healthy adults across a broad age range reported that PQQ supplementation may help support normal brain function and memory. PubMed
  2. A randomized, double-blind, placebo-controlled trial in healthy adults reported that PQQ supplementation may help support normal cognitive function, including memory and attention. PubMed
  3. After a single oral dose of PQQ in human subjects, PQQ was detected and measurable in plasma and urine over 48 hours. PubMed

These statements have not been evaluated by the Food and Drug Administration. This product is not intended to diagnose, treat, cure, or prevent any disease.