Px Coffee — Smarter Energy Without Caffeine – Rarebird Coffee

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Why Px Over Caffeine?

Taste & Craft

Why Not Single Bags?

Rated 4.9/5.0 from 435 reviews

Clean Energy. Clear Focus. No Caffeine.

SHARPER

focused clarity,

no brain fog

STEADIER

balanced boost,

no spikes

SOUNDER

sleep-friendly,

PM-approved

SHARPER

focused clarity,

no brain fog

STEADIER

balanced boost,

no spikes

SOUNDER

sleep-friendly,

PM-approved

60mg Px per serving (caffeine-free)

Fresh Roasted Weekly

Roast Level:

Most popular!

Medium Roast

Milk Chocolate, Light Citrus

Most popular!

Dark Roast

Dark Chocolate, Nutty

Quantity:

1 Bag

(56 Cups)

$0.43

/cup

Most popular!

One Person

(112 Cups)

24 oz. Coffee | $0.63/cup

/cup

Save 5%

Two People

(224 Cups)

48 oz. Coffee | $0.59/cup

/cup

1 Bag

(56 Cups)

$0.43

/cup

Most popular!

One Person

(112 Cups)

24 oz. Coffee | $0.63/cup

/cup

Save 5%

Two People

(224 Cups)

48 oz. Coffee | $0.59/cup

/cup

Seeking Whole Bean? Shop the limited release →

FREE SHIPPING on all subscriptions!

4-Week Supply

Benefits:

offon every order

Free shipping on all subscriptions

Refill ships every 4 weeks or cancel any time

Pause, change or cancel anytime

30 days risk-free

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30-Day Guarantee

One-time purchase

You'll miss out on:

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What is Px Coffee?

Why Px Over Caffeine?

Taste & Craft

Why Not Single Bags?

"It’s a weird biohack, but it works."

"Provides a similar energy kick, without caffeine’s nasty downsides."

"Those jitters I get from regular coffee were nonexistent for me after drinking Rarebird."

"It’s a weird biohack, but it works."

"Provides a similar energy kick, without caffeine’s nasty downsides."

"Those jitters I get from regular coffee were nonexistent for me after drinking Rarebird."

"It’s a weird biohack, but it works."

Other popular products

Whole Bean Px Coffee

grind your way

Cold Brew Cans

ready-to-drink

Instant Sachets

craft coffee on the go

Real Results,

from Real Px Coffee Drinkers

Why our subscribers stay around: Unlocking focus, flow, and full potential.

99%

Smooth energy, no crash

97%

No negative impact to sleep

97%

Calm focus, no added stress

95%

Gut-friendly, calm stomach

Based on a Sept. '25 customer survey

I feel like my focus is back. Mornings flow instead of fighting against me—finally, balance restored.

Beth M.

Px Coffee helped me find my groove again—steady focus, smooth energy, and no more 2 p.m. crash.

Kathryn L.

With Px, I can work, work out, and still sleep fine. It keeps my whole day in sync.

Jodi S.

This is what coffee was supposed to feel like—clear, focused energy without the chaos.

Donna H.

I didn’t realize how jittery regular coffee made me until this. Now my mornings feel calm but productive.

Hayley S.

Born from a Berkeley PhD’s Battle with Burnout

"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, Founder & CEO

Try Px Coffee Today →

Born from a Berkeley PhD’s Battle with Burnout

- Jeffrey, Founder & CEO

Try Px Coffee Today →

The Coffee Helping Thousands Find Clarity

Thousands of happy, productive customers

"smarter alternative to caffeine that works with ADHD brains"

"gives you that same energy, but just makes you feel better"

"I've truly been so much calmer in the mornings"

"better energy, better sleep, and better coffee"

"no blood sugar spike like caffeinated coffee"

"smarter alternative to caffeine that works with ADHD brains"

"gives you that same energy, but just makes you feel better"

"I've truly been so much calmer in the mornings"

"better energy, better sleep, and better coffee"

"no blood sugar spike like caffeinated coffee"

"smarter alternative to caffeine that works with ADHD brains"

4.9 stars | 750,000+ cups sold

Hear From Others

Who have made the switch

Clarity

Energy

Flow

Sleep

Gut

“I was searching for a way to get energy without the shaky feeling, and this is it. I’m awake, sharp, and steady all morning."

Eva

Verified Buyer

“Tastes great and more importantly really helps me stay focused. I feel alert and clear without that caffeine buzz or crash.”

S.K.

Verified Buyer

"I love this coffee. The Px gives a good boost that feels clean and controlled, not chaotic like caffeine. I can actually think straight."

Benjamin C.

Verified Buyer

“I was searching for a way to get energy without the shaky feeling, and this is it. I’m awake, sharp, and steady all morning."

Eva

Verified Buyer

“Tastes great and more importantly really helps me stay focused. I feel alert and clear without that caffeine buzz or crash.”

S.K.

Verified Buyer

"I love this coffee. The Px gives a good boost that feels clean and controlled, not chaotic like caffeine. I can actually think straight."

Benjamin C.

Verified Buyer

“I was searching for a way to get energy without the shaky feeling, and this is it. I’m awake, sharp, and steady all morning."

Eva

Verified Buyer

“Love it — rich flavor, no jitters. It’s become my go-to because I feel good after drinking it.”

Nile B.

Verified Buyer

“Smooth, relaxing coffee... no caffeine crash. Love how it keeps me calm and focused at the same time.”

Russell M.

Verified Buyer

“Fulfills my mornings. No jitters, no crash — just smooth, steady energy that feels natural.”

Emanuel D.

Verified Buyer

“Love it — rich flavor, no jitters. It’s become my go-to because I feel good after drinking it.”

Nile B.

Verified Buyer

“Smooth, relaxing coffee... no caffeine crash. Love how it keeps me calm and focused at the same time.”

Russell M.

Verified Buyer

“Fulfills my mornings. No jitters, no crash — just smooth, steady energy that feels natural.”

Emanuel D.

Verified Buyer

“Love it — rich flavor, no jitters. It’s become my go-to because I feel good after drinking it.”

Nile B.

Verified Buyer

“Tastes good. Not as tired in the afternoon anymore and no crash like with my old coffee.”

Dan P.

Verified Buyer

“Rarebird is my favorite afternoon and evening coffee. It gives me the lift I need without the crash or restlessness later.”

Susan H.

Verified Customer

“This has helped me stay productive through the entire day. The energy is subtle but steady — no more highs and lows.”

Robin P.

Verified Buyer

“Tastes good. Not as tired in the afternoon anymore and no crash like with my old coffee.”

Dan P.

Verified Buyer

“Rarebird is my favorite afternoon and evening coffee. It gives me the lift I need without the crash or restlessness later.”

Susan H.

Verified Customer

“This has helped me stay productive through the entire day. The energy is subtle but steady — no more highs and lows.”

Robin P.

Verified Buyer

“Tastes good. Not as tired in the afternoon anymore and no crash like with my old coffee.”

Dan P.

Verified Buyer

“Love this coffee. It gives me energy when I need it, but I’m not up at night staring at the ceiling anymore.”

Katarina W.

Verified Buyer

“I’m sensitive to caffeine and love that I can drink this in the afternoon and still sleep fine.”

Kyle G.

Verified Buyer

“I’ve been a barista and coffee connoisseur for years — this is the only coffee I can drink after lunch without losing sleep.”

Taylor R.

Verified Buyer

“Love this coffee. It gives me energy when I need it, but I’m not up at night staring at the ceiling anymore.”

Katarina W.

Verified Buyer

“I’m sensitive to caffeine and love that I can drink this in the afternoon and still sleep fine.”

Kyle G.

Verified Buyer

“I’ve been a barista and coffee connoisseur for years — this is the only coffee I can drink after lunch without losing sleep.”

Taylor R.

Verified Buyer

“Love this coffee. It gives me energy when I need it, but I’m not up at night staring at the ceiling anymore.”

Katarina W.

Verified Buyer

“I like the taste and drink it hot or iced. No stomach issues at all — it’s smooth and gentle every time.”

Marion W.

Verified Buyer

“I have reflux and by switching to Px Coffee, I can finally enjoy coffee again without discomfort or acid.”

Barbara W.

Verified Buyer

“This coffee does exactly what I needed and more. No jitters, no stomach pain, and it tastes amazing.”

Tessa B.

Verified Buyer

Get Px Coffee →

Px vs. Caffeine:

The Clear Difference

Our patented formula sets a new standard that traditional coffee can't match.

Smooth, Steady Energy

No Crash or Jitters

Sharper Focus & Clarity

Sleep-Safe

Gut-Friendly

Great Taste (real coffee)

Science-Backed Innovation

Px Coffee

Regular Coffee

Coffee Alternatives

Proven by Science.

Perfected by Experts.

Every cup of Px Coffee is built on verified science, patented technology, and sustainable sourcing — recognized as one of the best innovations in specialty coffee.

Science-Backed

Developed with support from the National Science Foundation, Px Coffee is grounded in real research—not marketing hype.

SLIDE 1 OF 4

Award-Winning

Named Best New Product 2023 by the Specialty Coffee Association for redefining coffee that feels as good as it tastes.

SLIDE 2 OF 4

Patented Technology

Our proprietary Px infusion process replaces caffeine with paraxanthine for smooth, steady energy in every cup that you won't find elsewhere.

SLIDE 3 OF 4

Sustainably Sourced

Crafted from ethically grown, mold-tested, specialty-grade beans and roasted in small batches for freshness and traceability.

SLIDE 4 OF 4

Science-Backed

Developed with support from the National Science Foundation, Px Coffee is grounded in real research—not marketing hype.

SLIDE 1 OF 4

Award-Winning

Named Best New Product 2023 by the Specialty Coffee Association for redefining coffee that feels as good as it tastes.

SLIDE 2 OF 4

Patented Technology

Our proprietary Px infusion process replaces caffeine with paraxanthine for smooth, steady energy in every cup that you won't find elsewhere.

SLIDE 3 OF 4

Sustainably Sourced

Crafted from ethically grown, mold-tested, specialty-grade beans and roasted in small batches for freshness and traceability.

SLIDE 4 OF 4

Science-Backed

Developed with support from the National Science Foundation, Px Coffee is grounded in real research—not marketing hype.

SLIDE 1 OF 4

Award-Winning

Named Best New Product 2023 by the Specialty Coffee Association for redefining coffee that feels as good as it tastes.

SLIDE 2 OF 4

Patented Technology

Our proprietary Px infusion process replaces caffeine with paraxanthine for smooth, steady energy in every cup that you won't find elsewhere.

SLIDE 3 OF 4

Sustainably Sourced

Crafted from ethically grown, mold-tested, specialty-grade beans and roasted in small batches for freshness and traceability.

SLIDE 4 OF 4

Science-Backed

Developed with support from the National Science Foundation, Px Coffee is grounded in real research—not marketing hype.

SLIDE 1 OF 4

Feels Better than Caffeine?! I Test This NEW Kind of Coffee - YouTube

Tap to unmute

Feels Better than Caffeine?! I Test This NEW Kind of Coffee Ali Spagnola's Fitness Outrageous

Ali Spagnola's Fitness Outrageous66.7K subscribers

Ali Spagnola Tested Px Coffee vs Caffeine — Here’s What Happened.

Better energy, clearer focus, and sleep that finally stayed on track.

FAQs

Don't see your answer? Reach out to contact@rarebird.coffee and our team will be happy to help!

Ready to Try? Get Px Coffee →

How is Px Coffee made?

Is Px Coffee tested for safety and quality?

When will I start noticing the benefits?

Why does Px Coffee cost more than regular coffee?