nitric oxide
Paraxanthine and Nitric Oxide: Boosting Physical Longevity and Brain Health
Most stimulants narrow blood vessels and work against your vascular system. Paraxanthine does the opposite. By supporting nitric oxide signaling through PDE9 inhibition, it improves blood flow, oxygen delivery, and endurance while protecting dopaminergic neurons over time. Research shows up to a 39% increase in endurance and measurable strength gains. This is clean energy that supports both performance and long-term brain health.