Pyrroloquinoline quinone (PQQ) is an essential nutrient for our development. You could think of PQQ as a helper molecule. It stimulates cellular growth. It also helps a special class of enzymes, called quinoproteins, process alcohols and sugars. It helps mitochondria process energy more efficiently by transferring unused energy from one cell to others that need it. It also protects the mitochondria, which improves their long-term health, like a fountain of youth for the cells.