In conclusion, Piroloquinoline quinone (PQQ) is an intriguing compound with diverse benefits related to energy metabolism, cognitive function, and oxidative stress management. As research in this field expands, PQQ may become a vital ingredient in nutritional supplements aimed at enhancing health and longevity. Emphasizing a balanced diet enriched with natural sources of PQQ, along with potential supplementation, may pave the way for a healthier future. As scientific inquiry continues, both consumers and practitioners alike should remain informed about the evolving landscape of PQQ research.