Jarrow formulas QH plus PQQ is the powerful combination of QH (ubiquinol) with PQQ (pyrroloquinoline quinone), which is considered by some authorities to be an essential nutrient. QH is the reduced (active antioxidant) state of Co-Q10, the form produced by our cells. It is significantly better absorbed than ubiquinone. PQQ with QH promotes the creation of new mitochondria, a process known as mitochondrial biogenesis. QH plus PQQ supports both heart health and cognitive function.