Other ·Emerging evidence ·Reviewed May 2026
Novel cofactor that promotes mitochondrial biogenesis, creating new mitochondria.
The bottom line
Evidence rating emerging. Most-documented uses: mitochondrial biogenesis, cognitive function, energy. 16 sources indexed (1993–2026), with 5 interaction records on file.
Core mechanism
Activates PGC-1alpha via CREB phosphorylation, promoting mitochondrial biogenesis. Also acts as a potent redox cycling antioxidant and supports nerve growth factor (NGF) synthesis.13,5
Take with food; synergistic with CoQ101,4
Dosing protocol
Mitochondrial biogenesis claims are mostly preclinical. Often paired with CoQ10.12
Ranked by evidence and value.
Real-world pricing across three quality tiers. Assumes PQQ Disodium Salt / BioPQQ.
Assumes 10-20 mg/day. Vendor basis: Life Extension, NOW/iHerb, Vitacost, and Amazon marketplace; BioPQQ-branded products drive premium pricing. Updated 2026-05-28.
How much you'd eat to match a supplemental dose.
Food intake is trace-level; supplement doses are much more concentrated.
Evidence-based stacks that include it, with the exact dose and timing each one uses.
PQQ is a redox-active cofactor reported in small studies to influence mitochondrial biogenesis signaling (for example PGC-1 alpha pathways), making it a plausible mitochondrial adjunct. Most mechanistic data are preclinical and human evidence is preliminary.
PQQ is a redox-active compound that, in preclinical work, has been reported to activate signaling associated with PGC-1 alpha and mitochondrial biogenesis, the production of new mitochondria. Human evidence is early and limited in size, so any biogenesis benefit should be considered emerging rather than established.14
Combined supplementation supports mitochondrial energy production and biogenesis, and the pair has been studied together in human cognitive function trials.
Recommendation: Reasonable to take together, ideally with a fat-containing meal to aid CoQ10 absorption. No separation needed.
Pairing PQQ with the reduced ubiquinol form of CoQ10 supports mitochondrial biogenesis and the respiratory chain together, with ubiquinol offering higher oral bioavailability than ubiquinone.
Recommendation: Reasonable to combine; take ubiquinol with dietary fat to optimize uptake. No separation needed.
PQQ and NMN act on convergent mitochondrial and NAD-related pathways, supporting mitochondrial biogenesis and cellular energy metabolism through complementary routes.
Recommendation: Reasonable to take together for energy and mitochondrial support. No timing separation required.
Vitamin C and PQQ can work together as a coupled redox antioxidant system. Ascorbic acid donates electrons to convert PQQ into PQQH2, the form responsible for PQQ's potent radical-scavenging and singlet-oxygen quenching activity. The two compounds naturally coexist in plant foods and human tissues, and laboratory studies at physiological pH (7.4) demonstrate this reduction-and-regeneration cycle directly. This is a favorable, additive antioxidant pairing rather than a risk.
Recommendation: No separation needed; these are complementary. Taking PQQ (typically 10 to 20 mg per day) alongside vitamin C (commonly 250 to 1000 mg per day) is reasonable and may help maintain PQQ in its antioxidant-active reduced form. Both are well tolerated together. Take with food to improve comfort. No dose change is required for either.
PQQ and vitamin B3 converge on NAD+ metabolism. This is an on-pathway analog of the better-known PQQ plus NMN/NR combination: PQQ promotes NAD+ generation and mitochondrial biogenesis through the SIRT1/PGC-1alpha pathway, while B3 furnishes an upstream precursor that the NAD+ salvage pathway requires. Combining them is mechanistically rational for supporting cellular energy and NAD+ status, with effects that appear complementary rather than competing.
Recommendation: These can be taken together without separation. Typical PQQ dosing is 10 to 20 mg per day; vitamin B3 dosing depends on the form (for example, nicotinamide around 50 to 500 mg per day, or smaller niacin doses to limit flushing). If using flush-form niacin, take with food and titrate to tolerance. No timing conflict applies.
Numbered references. Citations throughout the page link here.
Zhao C, Wu B, Sui H et al.. The effects of pyrroloquinoline quinone and nicotinamide mononucleotide supplementation on interoception following acute exhaustive exercise: a randomised, double-blind, placebo-controlled study. Scientific reports. 2026
Rossi GCM, Rinaldi M, Matarazzo F et al.. Randomized, Cross over, Multicenter, Single-Blind Study Comparing Citicoline 500 mg/Homotaurine 50 mg/Vitamin B3 54 mg/Pyrroloquinoline Quinone 5 mg (Neuprozin Mito(®)) and Citicoline 800 mg (Cebrolux(®)) on Pattern Electroretinogram (PERG) and Quality of Life in Patients with Primary Open-Angle Glaucoma with Well-Controlled Intraocular Pressure. Journal of clinical medicine. 2025
In younger adults PQQ improved cognitive flexibility and processing speed after 8 weeks; older adults showed improvements in complex and verbal memory after 12 weeks
PQQ supplementation improved memory, attention, judgment, and cognitive function in middle-aged to elderly population
20 mg/day PQQ supplementation significantly increased PGC-1alpha protein levels compared to placebo, confirming mitochondrial biogenesis in humans
PQQ supplementation significantly decreased plasma CRP, IL-6 and urinary methylated amines, with changes consistent with enhanced mitochondria-related functions
Sen S, Karati D. Pyrroloquinoline quinone scaffolds: centrality in anticancer drug design. Future medicinal chemistry. 2026
Ikemoto K, Mohamad Ishak NS, Akagawa M. The effects of pyrroloquinoline quinone disodium salt on brain function and physiological processes. The journal of medical investigation : JMI. 2024
Bosco G, Vezzoli A, Brizzolari A et al.. Consumption of Sylimarin, Pyrroloquinoline Quinone Sodium Salt and Myricetin: Effects on Alcohol Levels and Markers of Oxidative Stress-A Pilot Study. Nutrients. 2024
EFSA Panel on Dietetic Products, Nutrition and Allergies (NDA), Turck D, Bresson JL et al.. Safety of pyrroloquinoline quinone disodium salt as a novel food pursuant to Regulation (EC) No 258/97. EFSA journal. European Food Safety Authority. 2017
PQQ is non-mutagenic and non-genotoxic; LD50 was 1825 and 1410 mg/kg bw in male and female rats respectively, establishing a wide safety margin at recommended doses
PQQ stimulates mitochondrial biogenesis through CREB phosphorylation and increased PGC-1alpha expression, the key mechanism for creating new mitochondria
PQQ is a potent enhancer of nerve growth factor (NGF) production in vitro and in vivo, with the strongest NGF-promoting activity among tested compounds
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