What if you could actually grow new mitochondria?
Most supplements support existing mitochondrial function. PQQ (pyrroloquinoline quinone) is one of the few compounds with evidence for stimulating mitochondrial biogenesis — the creation of entirely new mitochondria.
That’s a significant distinction. More mitochondria means more cellular energy capacity, better metabolic health, and potentially slower aging.
What Is PQQ?
PQQ is a small quinone molecule found in trace amounts in foods — particularly fermented soybeans (natto), green peppers, kiwi fruit, and human breast milk.
It was first identified as a bacterial cofactor in the 1970s, but its role in human biology wasn’t appreciated until the 2000s when researchers discovered it activates key pathways controlling mitochondrial biogenesis.
Some researchers have proposed PQQ be classified as a vitamin, though this remains controversial.
How PQQ Works: The Mechanisms
1. Activates PGC-1α
PGC-1α (peroxisome proliferator-activated receptor gamma coactivator 1-alpha) is often called the “master regulator” of mitochondrial biogenesis. PQQ activates PGC-1α, triggering the creation of new mitochondria.
2. Activates CREB
PQQ activates CREB (cAMP response element-binding protein), a transcription factor that regulates genes involved in energy metabolism and neuroprotection.
3. Antioxidant Activity
PQQ can cycle through thousands of redox reactions without being destroyed — far more catalytic activity than vitamin C or E. This makes it an exceptionally efficient antioxidant, particularly in protecting mitochondria.
4. Nerve Growth Factor Stimulation
PQQ promotes synthesis of nerve growth factor (NGF), supporting neuronal survival and potentially cognitive function.
What the Research Shows
Animal Studies (Strong Evidence)
- Mice deficient in PQQ had fewer mitochondria, reduced energy production, and impaired reproduction
- PQQ supplementation restored mitochondrial function and increased mitochondrial density
- Neuroprotective effects in models of Parkinson’s disease and stroke
Human Studies (Limited but Promising)
Cognitive Function (2016 study) 20mg/day PQQ for 12 weeks in older adults improved attention, working memory, and processing speed compared to placebo.
Inflammation (2013 study) 20mg/day for 8 weeks reduced inflammatory markers (IL-6, CRP) in healthy adults.
Sleep Quality Multiple trials report improved sleep quality with PQQ supplementation — possibly related to reduced oxidative stress.
Cardiovascular Markers Preliminary data suggests benefits for LDL oxidation and triglyceride levels.
PQQ + CoQ10: A Synergistic Stack
PQQ and CoQ10 are frequently combined, and for good reason:
- PQQ → stimulates creation of new mitochondria
- CoQ10 → fuels the mitochondria that already exist
A 2013 Japanese trial found that the combination improved cognitive performance more than either supplement alone. This PQQ/CoQ10 stack is one of the most evidence-backed combinations in mitochondrial health.
Recommended stack:
- PQQ: 20mg/day
- CoQ10/Ubiquinol: 200–300mg/day
Dosage
| Use | Dose | Notes |
|---|---|---|
| General health | 10–20mg/day | Well-studied range |
| Cognitive support | 20mg/day | Most trials use this dose |
| Athletic performance | 20mg/day | Take pre-workout |
| Anti-aging | 20mg/day | Stack with CoQ10 |
Maximum studied dose: 20mg/day in humans. Higher doses haven’t been well-studied.
Food Sources of PQQ
| Food | PQQ Content |
|---|---|
| Natto | ~61 ng/g |
| Green pepper | ~28 ng/g |
| Parsley | ~34 ng/g |
| Kiwi | ~27 ng/g |
| Papaya | ~34 ng/g |
These amounts are tiny compared to supplement doses. You’d need to eat kilograms of food to match 20mg from a supplement.
Safety Profile
PQQ has an excellent safety record in human studies:
- No serious adverse events in any clinical trial
- Mild side effects: occasional headache, fatigue at higher doses
- No known drug interactions (though research is limited)
- Safe for long-term use based on available data
Who should be cautious:
- Pregnant/breastfeeding women (insufficient data)
- People on blood thinners (theoretical concern, monitor)
How to Choose a Quality PQQ Supplement
Look for:
- BioPQQ® — the most researched form, used in clinical trials
- Third-party tested for purity
- Vegetarian capsules (PQQ is heat-sensitive; avoid products exposed to high processing temperatures)
- Free from unnecessary fillers
Avoid suspiciously cheap products — PQQ is expensive to produce, and very low prices often indicate poor quality or underdosed products.
The Bottom Line
PQQ stands out as one of the most mechanistically interesting mitochondrial supplements because it doesn’t just support existing mitochondria — it promotes the creation of new ones.
The human evidence is still building, but:
- The mechanistic science is strong
- Animal data is compelling
- Human trials on cognition and inflammation are promising
- Safety profile is excellent
For anyone serious about mitochondrial health, PQQ at 20mg/day combined with CoQ10 represents one of the most rational supplement stacks available.
Related: CoQ10 vs Ubiquinol: Which Form Should You Take? | Best Mitochondrial Supplement Stack