Overview Pyrroloquinoline quinone (PQQ) is a redox-active quinone compound found in trace amounts in many foods (especially natto, green peppers, kiwi, and breast milk) and in soil bacteria. It was identified as a bacterial cofactor for some oxidoreductases and was initially proposed as a…
In the full monograph
- What it is, and how it works
- What the evidence shows — randomized trials, observational data, animal studies, graded and cited
- Dose, form, and timing
- What to expect, and how soon
- Who should be careful, and what to check first
- The verdict
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