Overview
Redox cofactor for mitochondrial biogenesis.
- Endogenously produced or biosynthesized molecule
- Standardized pharmaceutical- or food-grade supplement
- Combined with cofactors that improve absorption or activity
- Capsule or softgel
- Powder
- Sublingual or buccal
- Liposomal liquid
Mechanism of action
Activates PGC-1α and CREB; mitochondrial biogenesis.
- · Activates PGC-1α
- · mitochondrial biogenesis
Effects on the body
Organ system effects
PQQ (Pyrroloquinoline Quinone) supports mitochondrial ATP production and fatigue resistance.
PQQ (Pyrroloquinoline Quinone) acts on hallmarks of aging including oxidative stress, mitochondrial dysfunction, and senescence signaling.
Evidence-based benefits
Reduces fatigue
Moderate evidencePotential side effects
- · Headache at high dose
Drug interactions
Supplement interactions
- NAD+ precursor (NMN or NR)Complementary mitochondrial and sirtuin support.
- Omega-3Lowers inflammation and supports membrane integrity.
No specific avoidances listed.
Dosing & bioavailability
Where to buy
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Third-party testedIndependently verified PQQ (Pyrroloquinoline Quinone) — look for USP, NSF, or Informed Sport seals on the label for purity and dose accuracy.PQQ (Pyrroloquinoline Quinone) third party tested NSF
CapsulesPre-measured PQQ (Pyrroloquinoline Quinone) capsules — easiest for travel and consistent daily dosing without scoops or scales.PQQ (Pyrroloquinoline Quinone) capsules
PowderBulk unflavored PQQ (Pyrroloquinoline Quinone) powder — best cost-per-gram and flexible dosing for stacking or mixing into drinks.PQQ (Pyrroloquinoline Quinone) powder unflavored
Best sellersMost-purchased PQQ (Pyrroloquinoline Quinone) products on Amazon — a quick way to see what's reviewed widely before you commit.PQQ (Pyrroloquinoline Quinone) best sellerScientific evidence8Show studiesHide studies
PQQ on stress and fatigue
Nakano M, et al.
17 adults
Improved sleep, fatigue, and mood scores.
PubMed: PQQ (Pyrroloquinoline Quinone) — Reduces fatigue
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