Px is the cleaner form of caffeine
Rarebird is the first and only coffee with Px.
Px is a smart source of energy, naturally produced when your body metabolizes caffeine. This simple switch fixes caffeine's biggest flaws, delivering clean, focused energy without overstimulating your nervous system, spiking your stress hormones, and leaving you drained and burned out.
All the Energy, None of the burnout
Empowering you to work & live better
Unlike caffeine— PX works for you
Only Energy, No Stress
Px delivers the boost you love from coffee without overstimulating your nervous system. That means no jitters, no cortisol spikes, and no stress overload—just smooth, sustained energy that keeps you at peak performance.
No afternoon crashes
Px delivers a smoother, more controlled boost in energy—meaning you can drink Px Coffee late into the day for sustained energy and reliable focus without the caffeine crash.
Won't Ruin Your Sleep
Caffeine lingers in your body for hours, overstaying its welcome and robbing you of sleep at night. Px is metabolized faster giving you energy when you want it and sleep when you don't
What Makes Px Coffee Truly Unique
MY CAFFEINE STRUGGLE
“Caffeine failed me, so I built something better.”
Like millions, I relied on caffeine to get through the day—until I realized it was a crutch. Instead of giving me energy, it left me anxious and burned out. When I couldn’t find a better alternative, I was forced to make one. Px Coffee was born from a simple idea: energy should work with your body, not against it.
Jeffrey Dietrich, PhD
Founder & CEO
EXPERT BACKED
Backed by the National Science Foundation
Smarter coffee is better coffee. Bringing Px Coffee to life was about revolutionizing how we experience energy.
The National Science Foundation believed in that vision, awarding us two research grants, including $1M in 2025, to develop this science-backed breakthrough. Px isn’t just another coffee—it’s a product rooted in research, innovation, and real results.
AWARD WINNING
Better Benefits AND Great Taste
We didn’t just create a new coffee—we created an award-winning innovation. Px Coffee was named Best New Product by the Specialty Coffee Association, recognizing it for both its benefits and exceptional coffee quality.
Proof that better energy and more restful sleep can also taste as smooth and refined as it makes you feel.
PATENTED
A Breakthrough In Coffee Innovation
The only Px Coffee on the planet—patented, exclusive, and designed to work with your body, not against it.
Smooth energy. No hijacked stress system. No caffeine crash. Just a better coffee experience.
US Patents 11,872,232 and 12,178,820
Same Ritual, Better Results
BREW IT YOUR WAY, GROUNDS OR PODS
Ground Px Coffee
K-Cup Pods
50% more filled and fully recyclable
Espresso Grind
Finely ground for expert pulls
Mold-free
Freshly Roasted
60-day Guarantee
