PQQ Caps with BioPQQ from Life Extension is the next step in mitochondrial energy support supplementation, building on Life Extension's long record of success that started with some of the first CoQ10 supplements. PQQ stands for pyrroloquinoline quinone, and it's a major advancement in mitochondrial cellular energy. Mitochondria are the cellular energy generators that supply virtually all the power your body requires for a healthy life span. An abundance of published studies underscores the critical importance of the mitochondria to overall health, especially as we age. PQQ Caps with BioPQQ help support healthy mitochondrial function.