Pyrroloquinoline quinone disodium salt

Pyrroloquinoline quinone disodium salt has been studied in 4 papers since 2020: 3 trials in people, 1 review. The newest paper, Jan 1, 2024: “The effects of pyrroloquinoline quinone disodium salt on brain function and physiological processes”.

Intervention

4 papers study it3 more mention it7 findingsUpdated

PubChem

See all 7

“Significant improvements were observed on the Cognitrax's cognitive function domain score on "composite memory", "verbal memory", "reaction time", "complex attention", "cognitive flexibility", "executive function", and "motor speed" in the mnemoPQQ® group as compared to the placebo group.”
Effect of Dietary Pyrroloquinoline Quinone Disodium Salt on Cognitive Function in Healthy Volunteers: A Randomized, Double-Blind, Placebo-Controlled, Parallel-Group StudyJournal of the American Nutrition Association2021doi:10.1080/07315724.2021.1962770

None of its findings points the other way.

  • 2 independent labs in 2 countries
  • 3 of 5 findings with company ties
  • Human trial3

Studies in people

2 studies gave pyrroloquinoline quinone disodium salt to people and measured what changed.

  • up: Improves composite Memory

    up: Improves cognitive function

    up: Improves verbal memory

    Randomized trial20-40 years12 weeks

    General population; Midlife adults

    Food & function, Mar 6, 2023

  • up: Improves cognitive function

    up: Improves Mini-Mental State Examination-Japanese

    Randomized trial58 peopleBoth40 to <80 Y12 weeks

    Midlife adults; Older adults; healthy

    Journal of the American Nutrition Association, Aug 20, 2021

What did studies of Pyrroloquinoline quinone disodium salt find?

5

Studies of Pyrroloquinoline quinone disodium salt measured 5 outcomes; the most studied are cognitive function (3 studies), lipid peroxides (1) and verbal memory (1).

Cognitive function

upin humans3

3 studies
  1. Pyrroloquinoline quinone disodium salt improves cognitive function in humans.

    “In younger adults (aged 20-40 years), PQQ improved cognitive function (cognitive flexibility, processing speed, and execution speed) after 8 weeks.”

    Human trial20 mg per day8 weeks

    Pyrroloquinoline quinone disodium salt improves brain function in both younger and older adults

    Food & function

  2. Pyrroloquinoline quinone disodium salt improves cognitive function in humans (healthy).

    “Significant improvements were observed on the Cognitrax's cognitive function domain score on "composite memory", "verbal memory", "reaction time", "complex attention", "cognitive flexibility", "executive function", and "motor speed" in the mnemoPQQ® group as compared to the placebo group.”

    Human trialhealthypowder21.5 mg/day12 weeksn = 58

    Effect of Dietary Pyrroloquinoline Quinone Disodium Salt on Cognitive Function in Healthy Volunteers: A Randomized, Double-Blind, Placebo-Controlled, Parallel-Group Study

    Journal of the American Nutrition Association

  3. Pyrroloquinoline quinone disodium salt improves cognitive function in humans.

    “Various improvements have been reported regarding general memory, verbal memory, working memory, and attention.”

    Review

    The effects of pyrroloquinoline quinone disodium salt on brain function and physiological processes

    The journal of medical investigation : JMI

Lipid peroxides

downin humans1

1 study
  1. Pyrroloquinoline quinone disodium salt decreases lipid peroxides in humans.

    “PQQ ingestion lowers blood lipid peroxide levels in humans, suggesting antioxidant activity.”

    Reviewin humans

    The effects of pyrroloquinoline quinone disodium salt on brain function and physiological processes

    The journal of medical investigation : JMI

More on Lipid peroxides

Verbal memory

upin humans1

1 study
  1. Pyrroloquinoline quinone disodium salt improves verbal memory in humans.

    “Only older adults (aged 41-65 years) showed improvements in complex and verbal memory after 12 weeks.”

    Human trial20 mg per day12 weeks

    Pyrroloquinoline quinone disodium salt improves brain function in both younger and older adults

    Food & function

Composite Memory

upin humans1

1 study
  1. Pyrroloquinoline quinone disodium salt improves composite Memory in humans.

    “After 12 weeks, the participants showed improvements in composite memory and verbal memory.”

    Human trial20 mg per day12 weeks

    Pyrroloquinoline quinone disodium salt improves brain function in both younger and older adults

    Food & function

Mini-Mental State Examination-Japanese

upin humans1

1 study
  1. Pyrroloquinoline quinone disodium salt improves Mini-Mental State Examination-Japanese in humans (healthy).

    “The DECO and the MMSE-J scores were also significantly improved in the mnemoPQQ® group.”

    Human trialhealthypowder21.5 mg/day12 weeksn = 58

    Effect of Dietary Pyrroloquinoline Quinone Disodium Salt on Cognitive Function in Healthy Volunteers: A Randomized, Double-Blind, Placebo-Controlled, Parallel-Group Study

    Journal of the American Nutrition Association

More on Mini-Mental State Examination-Japanese

Latest

Dec 2025: 0Jan 2026: 0Feb 2026: 0Mar 2026: 0Apr 2026: 1May 2026: 0Jun 2026: 0Jul 2026: 0Aug 2026: 0Sep 2026: 0Oct 2026: 0Nov 2026: 01 paper in 12 months