Pyrroloquinoline Quinone Disodium Products | Cleanchem - Pyrroloquinoline quinone disodium (PQQ) is a compound found in certain foods and produced by the body, known for its antioxidant properties. It plays a role in energy production and mitochondrial function, helping to improve cellular health and metabolism. PQQ is being studied for its potential to enhance cognitive function, reduce inflammation, and promote heart health.