H₂ ANALYTICS VERIFIED · 8 PPM

Hydrogen is one of the most studied molecules in wellness.

With 2,200+ peer-reviewed studies behind it, the ECHO Flask infuses your water with the most therapeutic dose — up to 8 ppm — verified by an independent lab.

No more brain fog
Less workout fatigue
No more 2pm crash
Less bloat & inflammation
12 oz · titanium pem core Hands holding the illuminated ECHO Flask at dusk
UP TO8 PPM
H2 Analytics Verified

Independent lab certification of hydrogen ppm output — gas chromatography backed.

2,200+ Peer-Reviewed Studies

Peer-reviewed research on molecular hydrogen across energy, recovery, and cognition.

FSA / HSA Eligible

A qualified medical expense — use pre-tax wellness dollars at checkout.

PEM / Nafion Technology

NASA-developed proton-exchange membrane separates pure H₂ — no byproducts.

The Science

Your body is fighting a battle you can't feel.

Every breath, every workout, every stressful day creates free radicals, unstable molecules that damage your cells from the inside out. Scientists call it oxidative stress. You feel it as fatigue, brain fog, slow recovery, and skin that's lost its glow.

Your body fights back with antioxidants — but most have a catch. Once they neutralize a free radical, they often turn into one themselves. Your body has to clean up after the cleanup.

In 2007, a landmark paper in Nature Medicine changed everything. Researchers proved that molecular hydrogen (H₂) is a selective antioxidant1 — small enough to reach your mitochondria, smart enough to neutralize only the harmful free radicals, and the only one that doesn't backfire on your body.

Since then, 2,200+ peer-reviewed studies have been published on hydrogen's effects across energy, inflammation, recovery, cognition, and skin.2

The catch? Hydrogen escapes any container in minutes. You can't bottle it. You can't store it. You have to make it fresh, every time.

That's what the ECHO Flask does.

Nature Medicine · 2007
“Hydrogen acts as a therapeutic antioxidant by selectively reducing cytotoxic oxygen radicals.”
Ohsawa, I., Ishikawa, M., Takahashi, K. et al.
Nat Med 13, 688–694 (2007)
Hands holding the ECHO Flask in low light
1,600+Peer-reviewed studies on H₂
150+Years of hydrogen research
40+Researched health applications
0Backfire byproducts
Hands holding the ECHO Flask in low light
UP TO8 PPM
The Flask

Lab-verified hydrogen water. In your hand.

The world's most advanced hydrogen water bottle — using a premium platinum-coated titanium PEM/Nafion membrane (developed by NASA) to infuse your water with up to 8 ppm of pure molecular hydrogen in as little as 10 minutes. Lab-verified by independent gas chromatography. Smart-tracked from your phone.

One bottle. One cycle. The highest verified portable dose available — fresh, on demand, anywhere you go.

Up to 8 ppm — verified by H2 Analytics

The highest portable dose available, certified by independent gas chromatography.

PEM/Nafion technology

Separates pure H₂ from your water — no chlorine, no ozone, no introduced byproducts.

Smart bottle, smart app

Track every cycle, every sip, every goal — synced over Bluetooth.

FSA / HSA eligible

Your wellness dollars work here.

• As mentioned on the Joe Rogan Experience (JRE) • Featured: Mindy Pelz Podcast • CNN · Fox News · 10X Health H2 Analytics Certified • As mentioned on the Joe Rogan Experience (JRE) • Featured: Mindy Pelz Podcast • CNN · Fox News · 10X Health H2 Analytics Certified • As mentioned on the Joe Rogan Experience (JRE) • Featured: Mindy Pelz Podcast • CNN · Fox News · 10X Health H2 Analytics Certified
See it in action

Watch hydrogen come alive.

Press one button. In under ten minutes the proton exchange membrane saturates your water with molecular hydrogen — visible as fine, energetic micro-bubbles. No fizz, no taste, no waste.

01
Fill & press

Standard filtered water in. One tap to start the cycle.

02
Electrolysis

NASA-derived membrane splits H₂ from your water and vents the O₂ byproduct.

03
Drink fresh

Up to 8 ppm of dissolved H₂. Stable for 30+ minutes after the cycle ends.

LIVE DEMO
Benefits

Feel Better. Do Better.

Hydrogen water has been studied for its role in supporting how you think, move, recover, and age. Here's what 2,200+ peer-reviewed studies are exploring.3

Gut Health Meets Immune Support

Gut Health Meets Immune Support

Your gut isn't just about digestion—it's a command center for immunity, energy, and mood. Research suggests hydrogen may support gut balance and reduce oxidative load, helping you feel more aligned from the inside out.

Gain Clarity
& Focus

Gain Clarity & Focus

Hydrogen has been studied for its ability to help the body manage inflammation and oxidative stress in the brain—factors that influence focus, alertness, and mental endurance. Stay in the zone, longer.

Supercharge Your Metabolism

Supercharge Your Metabolism

The smallest molecule in the universe, Hydrogen has been studied for its ability to support healthy energy metabolism and redox balance—two key drivers of stamina, metabolic efficiency, and humans who push harder and go further.

Upgrade
Performance

Upgrade Performance

Fuel your cells by supporting the systems behind endurance and recovery. By helping your body manage oxidative stress, it promotes better performance under pressure—whether you're crushing a workout, a deadline, or both.

Support Whole-Body Vitality

Support Whole-Body Vitality

Resilience isn't optional—it's your edge. Hydrogen water can play a role in cellular signaling, stress recovery, and aging resilience. When your cells bounce back faster, so do you. Stay sharp, stay strong, and live fully charged.

Recover at the
Cellular Level

Recover at the Cellular Level

Real recovery starts at the source. Hydrogen-rich water is being explored for its potential to support the body's natural repair processes. Whether you're training, fasting, or just demanding more from life, hydrogen is your quiet recovery ally.

Cutting Edge Technology

We've perfected hydrogen.

Ten engineering decisions, one verified dose. Every part of the Flask was specified to deliver pure, lab-grade H₂ — and nothing else.

1
Industry-Leading 8 ppmVerified dose
2
BPA-Free Shatter-Proof CasingTritan body
3
Interactive Touch-Screen DisplayFull color OLED
4
Bluetooth & App Smart TrackingiOS · Android
5
Oxygen Release PortVents O₂ byproduct
ECHO Flask under stage lighting
6
Lock & Seal Easy-Twist CapPress-fit gasket
7
Pressure Release ValveAuto-vent at 4 bar
8
Expanded 12 oz Capacity50% larger than ≤8 oz peers
9
Platinum & Titanium PlatingLab-grade electrode
10
Advanced Proton Exchange MembraneNASA-derived Nafion
What's NOT in your water
NO Chlorine NO Ozone NO BPAs NO pH Change NO Heavy metals introduced by the bottle
The Ultimate Wellness Boost

Backed by every kind of evidence.

ECHO Flask smart display showing 09:54 timer and 0.00 PPM reading
01
1,600+
Studies on hydrogen effectiveness
02
150+
Years of research across the globe
03
40+
Researched health applications4
04
100,000+
Happy ECHO customers (and counting)
The Comparison

There's hydrogen water. Then there's ECHO.

Most hydrogen bottles cost less for a reason. See what you actually get with the ECHO Flask versus what you don't get with everyone else.

ECHO Flask
Competitors
Capacity
12oz
≤ 8oz
Certified PPM
8ppm
< 5ppm
Smart Technology
✓
✕
Health App Integrated
✓
✕
H2 Analytics Certified
✓
✕
No Harmful Chemicals
✓
✕
No Heavy Metals
✓
✕
Proton Exchange Membrane
✓
✕
5-Year Warranty
✓
✕

Nine reasons most "hydrogen bottles" don't measure up. And one reason the Echo Flask has become the gold standard.

1200+ Verified 5 Star Reviews
What experts are saying about hydrogen water
Play
Andrew Huberman
Neuroscientist
"Get the Echo Flask. It's a game-changer. I Love It."
Chris Williamson
Modern Wisdom
“Hydrogenated water is far different than regular water. The way that hydrogen gas dissolved in water actually affects your cells... hydrogenated water can act as an exercise mimetic, just like ‘exercise in a pill...”
Ben Greenfield
Author, Nutritionist, Physiologist, Fitness Coach
“I don’t carry many gadgets. But here’s the test: if I notice skipping it, it stays. The Echo Flask made the cut."
Tim Gray
Community-First Biohacker
“I’ve been using ECHO Hydrogen Water for a few years now and it’s one of the simplest ways to feel better, think clearer, and show up at my best."
Ben Giese
RIDEBYND Podcast Host
“If you’re serious about performance and longevity, upgrading your water is non-negotiable. Echo changed the game for me.”
Jesse James West
YouTube Personality, Body Builder
Play
Andrew Huberman
Neuroscientist
"Get the Echo Flask. It's a game-changer. I Love It."
Chris Williamson
Modern Wisdom
“Hydrogenated water is far different than regular water. The way that hydrogen gas dissolved in water actually affects your cells... hydrogenated water can act as an exercise mimetic, just like ‘exercise in a pill...”
Ben Greenfield
Author, Nutritionist, Physiologist, Fitness Coach
“I don’t carry many gadgets. But here’s the test: if I notice skipping it, it stays. The Echo Flask made the cut."
Tim Gray
Community-First Biohacker
“I’ve been using ECHO Hydrogen Water for a few years now and it’s one of the simplest ways to feel better, think clearer, and show up at my best."
Ben Giese
RIDEBYND Podcast Host
“If you’re serious about performance and longevity, upgrading your water is non-negotiable. Echo changed the game for me.”
Jesse James West
YouTube Personality, Body Builder
*These are individual experiences, results may vary.
SHIP TODAY · 30-DAY RETURNS · FSA/HSA

Drink water that actually works for you.

Make fresh hydrogen water in 10 minutes. Verified at 8 ppm. Tracked from your phone. Backed by 2,200+ peer-reviewed studies and a 5-year warranty.

Shop the ECHO Flask →
✓ H2 Analytics Verified ✓ FSA / HSA Eligible ✓ Free shipping (US)
4.6
Rated 4.6 out of 5 stars
Based on 542 reviews
93%would recommend this product
542 reviews
  • J
    Jerome
    Verified Buyer
    3 days ago
    Rated 5 out of 5 stars
    Excellent

    awesome device, I love it!

  • K
    Kimberly
    Verified Buyer
    3 days ago
    Rated 5 out of 5 stars
    Amazing! So much more energy!

    I have been suffering from low energy and brain fog. I noticed that I’m sharper mentally. Can absorb more information without fatigue and the need for an afternoon nap. I’m delighted at the changes. I think that I’m sleeping better at night as well.

  • S
    Stephen
    Verified Buyer
    3 days ago
    Rated 5 out of 5 stars
    Flask

    By far, the best hydrogen water bottle of its size of any I have used.

  • N
    Nuno
    Verified Buyer
    3 days ago
    Rated 5 out of 5 stars
    5 stars

    5 stars

  • Z
    Zodrack
    1 week ago
    Rated 1 out of 5 stars
    1 Star

    customer support is ridiculous. Out of the box I got a firmware update error, but nowhere on app or the flask will it allow me to update. Then you can't speak to anyone to get help. Have to communicate via email. RIDICULOUS

Certifications

The US Food and Drug Administration has recognized hydrogen gas as a food additive that is generally recognized as safe (GRAS). The research confirms that hydrogen water is safe to be consumed. The Echo Flask currently has a valid certification status by H2 Analytics in conformance with IHSA and US EPA standards.
View Certificate
Registration # :24-0701-1-PB
App Integrations
Apple Health
Android Health
SHIP TODAY · 30-DAY RETURNS · FSA/HSA

Drink water that actually works for you.

Make fresh hydrogen water in 10 minutes. Verified at 8 ppm. Tracked from your phone. Backed by 2,200+ peer-reviewed studies and a 5-year warranty.

Shop the ECHO Flask →
✓ H2 Analytics Verified ✓ FSA / HSA Eligible ✓ Free shipping (US)