One of the most intriguing aspects of PQQ is its potential role in cognitive health. Research indicates that PQQ may support memory function and protect against neurodegenerative diseases. It appears to have neuroprotective effects, promoting the growth of nerve cells and improving overall brain function. As cognitive decline is a significant concern as we age, PQQ's potential benefits in this area make it a compound of interest for those seeking to extend their healthspan and maintain mental acuity.