PQQ represents a fascinating area of research in the realm of nutrition and health. Its functions in energy metabolism, neuroprotection, and combatting oxidative stress underscore its potential significance as a dietary supplement. With an array of health benefits on the horizon, PQQ is poised to become a key player in holistic health strategies. As further studies unveil the depth of its potential, individuals may find that incorporating PQQ-rich foods into their diet can be an effective way to support their overall health and well-being.