NOW Foods Extra Strength PQQ is a dietary supplement aimed at supporting cognitive and mitochondrial health. It combines Pyrroloquinoline Quinone (PQQ) and Alpha Lipoic Acid to enhance energy production, support heart health, and promote cognitive function.

Doctor's Best PQQ with BioPQQ is a dietary supplement featuring pyrroloquinoline quinone (PQQ), known for its antioxidant properties and potential benefits in supporting energy production, cognitive function, and overall nervous system health.