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Last verified: 17 days ago

BioPQQ (Pyrroloquinoline Quinone)

Also known as: PQQ, Pyrroloquinoline Quinone, methoxatin, BioPQQ

Evidence under review. — Not yet rated

Antioxidant compound studied for brain and mitochondrial support, but human evidence is very limited.

  • What it does

    PQQ (Pyrroloquinoline Quinone) is a naturally occurring antioxidant compound found in small amounts in foods like fermented soybeans and kiwi fruit. It is thought to support mitochondrial function...

  • Evidence quality

    Evidence base hasn't been formally rated yet. See research below.

  • Clinical dose

    10-20 mg daily (based on general knowledge; no study data provided)

See full breakdown ↓ Methodology →

What the Science Says

PQQ (Pyrroloquinoline Quinone) is a naturally occurring antioxidant compound found in small amounts in foods like fermented soybeans and kiwi fruit. It is thought to support mitochondrial function — the energy-producing machinery inside cells — and has been explored for potential benefits to memory, focus, and cognitive performance. Most interest comes from animal studies and a small number of short-term human trials; robust clinical evidence in humans is currently lacking.

What It Doesn't Do

Not proven to reverse cognitive decline or treat any neurological condition. No solid evidence it significantly boosts energy in healthy adults. Claims about 'growing new mitochondria' in humans are far ahead of the actual evidence. Not a replacement for sleep, exercise, or a healthy diet for brain health.

Evidence-Based Benefits

May modestly improve attention and working memory in older adults at 20 mg daily.

Weak Evidence

Effective at: 20 mg daily

Supports mitochondrial energy production, primarily shown in animal and cell studies.

Weak Evidence

Effective at: 10-20 mg daily

Absorption & Bioavailability

Moderate — PQQ is water-soluble and absorbed orally in humans, with peak plasma levels observed within a few hours of ingestion. The 'BioPQQ' branded form is produced via bacterial fermentation and is considered bioavailable, but absorption studies in humans are limited.

Red Flags to Watch For

  • No peer-reviewed papers were available for this analysis — all claims here are based on general knowledge, not verified study data.
  • Only 3 clinical trials are indexed on PubMed for this ingredient, meaning the human evidence base is very thin.
  • High doses have not been well studied for long-term safety in humans.
  • Many products combine PQQ with CoQ10 or other ingredients, making it impossible to attribute any effect to PQQ alone.
  • Marketing claims about mitochondrial biogenesis in humans are largely extrapolated from animal or cell studies.

Frequently Asked Questions

What does BioPQQ (Pyrroloquinoline Quinone) do?

Antioxidant compound studied for brain and mitochondrial support, but human evidence is very limited.

What is the effective dose of BioPQQ (Pyrroloquinoline Quinone)?

10-20 mg daily (based on general knowledge; no study data provided)

Is BioPQQ (Pyrroloquinoline Quinone) safe?

No peer-reviewed papers were available for this analysis — all claims here are based on general knowledge, not verified study data.

What doesn't BioPQQ (Pyrroloquinoline Quinone) do?

Not proven to reverse cognitive decline or treat any neurological condition.

Research Sources

  • General knowledge — no paper abstracts were provided for this analysis. Limited published research available.

This information is for educational purposes only and is not medical advice. Always consult a healthcare professional before starting any supplement regimen. Last updated: 2026-05-25