PQQ (Pyrroloquinoline Quinone)
A redox-active micronutrient-like compound found in trace amounts in plant foods, studied for activating mitochondrial biogenesis pathways and protecting cells from oxidative injury.
Mechanism of Action
PQQ activates the SIRT1/PGC-1α signaling axis, the master regulator of mitochondrial biogenesis, and acts as a potent redox-cycling antioxidant capable of thousands of catalytic cycles without degrading, unlike most conventional antioxidants.
Dosing Protocol
20mg
Standard starting dose based on research
Therapeutic Range
10
Minimum
20
Maximum
Once daily with food; often paired with CoQ10 given a complementary mitochondrial mechanism, though the combination itself is not independently validated in RCTs
Cycling Protocol
No established cycling protocol; human trials used continuous daily dosing for 8–12 weeks
Dosages are general guidelines. Individual requirements vary based on body weight, health status, and specific goals. Start with lower doses and adjust based on response.
Benefits
Primary Benefits
- Robust preclinical evidence shows PQQ activates PGC-1α-driven mitochondrial biogenesis and protects mitochondrial function under oxidative stress (Chowanadisai et al., J Biol Chem 2010, with follow-on studies through 2025)
- Small human trials report improved sleep quality, reduced oxidative-stress markers, and modest short-term memory/attention improvements with 8–20mg/day over 8–12 weeks
- 2025–2026 mechanistic/dermatology-focused human and ex-vivo studies confirm antioxidant and anti-inflammatory activity in human skin and cell models, though direct evidence of mitochondrial biogenesis specifically in human tissue remains limited
Secondary Benefits
Safety Information
Contraindications
Do not use if any of the following apply:
- •Limited long-term human safety data; avoid in pregnancy and breastfeeding absent data
Drug/Supplement Interactions
May interact with the following. Consult a healthcare provider before combining:
Potential Side Effects
Some users may experience:
This is not a complete list of interactions or side effects. Individual responses vary. Always start with the lowest effective dose and monitor your response. Report any adverse effects to your healthcare provider.
Quality Markers
Look for these specific quality indicators when sourcing this compound:
- Choose disodium PQQ salt (e.g. BioPQQ), the form used in most published research
- Third-party testing, since PQQ is a higher-cost raw material with reported adulteration/under-dosing issues
- Avoid unsubstantiated 'mitochondrial biogenesis' claims not backed by the product's specific dose
Trusted Certifications
Note: Supplement quality varies dramatically between brands. Cheap supplements often contain fillers, incorrect doses, or contaminants. Investing in quality products from reputable manufacturers is essential for safety and efficacy.
Evidence Profile
Evidence Score
4/10
Emerging/Anecdotal
Limited clinical data, primarily mechanistic studies or user reports
Evidence Scale
8-10
Strong
5-7
Moderate
1-4
Emerging
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