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The Hidden Health Crisis in Your Travel Mug
Why Stale Coffee is Silently Stealing Your Antioxidants (And One Engineer's Solution)
April 17th 2025
by Tony Miller
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⚠️ HEALTH ALERT: What I'm about to reveal will change how you think about your morning coffee forever. That travel mug you rely on? That thermos you fill at home before your commute? They're not preserving your coffee's health benefits—they're destroying them.
This isn't coffee snobbery—this is science. And the engineer who discovered this health crisis accidentally stumbled upon it during his 3-year obsession to create the perfect portable espresso device.
But before I tell you about Jean's breakthrough solution, you need to understand the silent health theft happening in your travel mug right now...
The Hidden Health Issue Revealed
The Hidden Health Issue Revealed
The Antioxidant Degradation Disaster
Coffee isn't just a caffeine delivery system—it's literally the richest source of antioxidants in the Western diet. Fresh coffee contains powerful compounds like chlorogenic acids and polyphenols that fight inflammation, boost metabolism, and protect your cells from damage. So much so that the biggest scientific study ever done on coffee (involving 500,000 people) discovered that on average, regular coffee drinkers live 2 years older.
But here's what the coffee industry doesn't want you to know: These health-boosting compounds are incredibly fragile. The moment coffee sits exposed to air and heat—like in your travel mug—oxidation begins destroying them. This also breaks down the desirable flavors and aromas, leading to a flat, dull, bitter, or even rancid taste. Think of how a cut apple turns brown – that's oxidation at work.
Every minute your coffee sits in that travel mug, oxygen is breaking down the molecules that make coffee a superfood. What's worse? Some of these degraded compounds can actually become pro-oxidants—meaning they cause the cellular damage you were trying to prevent.
It's not just lost benefits—it's potentially harmful compounds forming in your "healthy" morning ritual.
The Temperature Trap
Even if you managed to completely isolate your coffee from air and oxidation, you would still lose most of coffee's benefits by the simple action of heat.
Studies show that coffee held at typical thermos temperatures (60-70°C/140-160°F) for just 1 hour loses:
67% of its chlorogenic acids (your inflammation fighters)
52% of its polyphenols (your cell protectors)
84% of its volatile antioxidant compounds
The Bitter Truth About Your Daily Routine
So that coffee you made at 6 AM for your 8 AM meeting? That afternoon coffee you poured at lunch and finished at 3 PM? That instant coffee that you love so much for its convenience? You might as well be drinking brown water for all the health benefits you're getting.
Meanwhile, you're missing out on compounds that could:
Boost your metabolism by up to 12%
Reduce inflammation by 30%
Improve insulin sensitivity
Protect against neurodegenerative diseases
Support cardiovascular health
All because you trusted a travel mug to preserve what only fresh brewing can deliver.
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The Evergreen Capsules Founder's Accidental Health Discovery
Jean Dupont
French engineer, ex-mountain guide, and inventor of the Evergreen reusable coffee capsules.
Spent 3 years prototyping the world's first self-heating portable espresso maker after a terrible coffee experience on the Camino de Santiago.
The Engineer's Obsession
Jean wasn't trying to solve a health crisis. He was just an ex-mountain guide and engineer who was sick of terrible coffee on the trail. After that awful morning on the Camino de Santiago—staring at sunrise with instant coffee that tasted like burnt dirt—he became obsessed with one goal: Real espresso, anywhere.
For 3 years, he tinkered. 147 prototypes. Failed attempts. Engineering nightmares. His friends thought he'd lost his mind.
But Jean had a secret weapon: his engineering background taught him to measure everything. While testing his portable espresso prototypes, he started analyzing the actual compounds in fresh-brewed shots versus coffee that had been sitting.
The Shocking Lab Results
What Jean discovered horrified him. Coffee that had been sitting in travel containers for just 1 hour had lost nearly three-quarters of its beneficial compounds. The antioxidant levels were so low, they barely registered on his equipment.
But the fresh shots from his prototype? Peak antioxidant levels. Maximum bioavailability. All the health benefits intact.
"I wasn't just making better-tasting coffee. I was preserving coffee's health benefits that everyone else was accidentally destroying."
— Jean, Engineer & Inventor
The Engineering Breakthrough
That's when Jean's mission changed. This wasn't just about convenience or taste anymore—it was about health optimization. His prototype needed to deliver fresh espresso on demand, preserving every antioxidant, every beneficial compound, every health benefit.
The solution required solving three engineering challenges:
Fast heating
True espresso pressure (optimal extraction of compounds)
Fresh brewing on demand (maximum antioxidant preservation)
After prototype #147, Jean had cracked the code.
The first espresso maker with a battery, heating system, and cofee capsules / coffee grounds adapters.
LEARN MORE
The first espresso maker with a battery, heating system, and coffee capsules / coffee ground adapters.
Find out why.
LEARN MORE
Introducing the Nomaduo: Your Antioxidant-Preserving Pocket Barista
The Nomaduo is a portable espresso maker with an integrated battery and heating system which will enable you to brew fresh coffee anywhere you go. You can finally say goodbye to those inefficient thermos that will make your coffee lose its health benefits on top of making it lose its aromas.
The Nomaduo isn't just a portable coffee maker—it's an antioxidant preservation system. Every design choice prioritizes maximum health benefit extraction.
If you aren’t taking Alpha BRAIN®, you are operating at a disadvantage.
Find out why.
Coffee Ground Or Coffee Capsules
The Nomaduo® comes with 2 adapters, one to use it with Nespresso® coffee capsules, and one to use it with your own ground coffee. A Dolce Gusto® capsule's adapter is also sold separately.
Light so you can take it anywhere
The Nomaduo weights 799g/1.7lbs, so you can bring it easily with you say on a hike, without having to bring a thermos to keep water warm.
Long battery life
Its 7500 mAh Lithium-Ion battery will enable you to brew 4-5 coffees from lukewarm water, and more than 100 if you already have hot water at hand.
With the Nomaduo, you don't have to compromise on your coffee quality anymore. And it's so much easier than the current ways to make coffee outside available right now on the market (moka with portable stove, hand-pumped espresso maker with thermos etc.).
The Fresh-Brew Health Advantage
Optimal Temperature Control (90°C/194°F): Perfect extraction temperature for antioxidants with no compound destruction from overheating and no nutrient loss from under-extraction. Scientific precision for health optimization.
True 19-Bar Espresso Pressure: Maximum extraction of beneficial compounds with higher antioxidant concentration than drip coffee, optimal bioavailability of health-boosting molecules, and professional-grade extraction in your pocket.
Every shot delivers:
Fresh-extracted chlorogenic acids (inflammation fighters)
Peak polyphenol content (cellular protectors)
Maximum antioxidant concentration (300% MORE than thermos coffee on average)
Zero degraded compounds
100% of coffee's health benefits
It's like having a laboratory-grade extraction system in your backpack.
What You're Really Losing in Your Travel Mug
The Antioxidant Breakdown
Chlorogenic Acids (Lost: 67% after 1 hour)
Function: Reduce inflammation, regulate blood sugar
Why it matters: Your body's natural anti-inflammatory system
What you lose: Metabolic support, inflammation protection
Polyphenols (Lost: 52% after 1 hour)
Function: Cellular protection, anti-aging compounds
Why it matters: Your cellular defense system
What you lose: Antioxidant protection, longevity benefits
Caffeic Acid (Lost: 84% after 1 hour)
Function: Neuroprotection, cognitive enhancement
Why it matters: Brain health and mental clarity
What you lose: Cognitive benefits, neuroprotection
Real-World Testimonials
"As someone who recommends coffee for its antioxidant benefits, I was skeptical of current coffee-on-the-go options. The Nomaduo changed everything. The device works wonderfully, like a state-of-the-art expresso maker but it fits in your backpack."
— Dr. Sarah M., Functional Medicine Practitioner
"I was teaching clients about coffee's health benefits while drinking degraded thermos coffee myself. The irony! Now I demonstrate the Nomaduo in my workshops. You can literally taste the difference in antioxidant concentration."
— Jennifer L., Corporate Wellness Coach
Nomaduo verified customer review: Véronique
"Coffee from my company’s coffee machine is very bad and expensive. I’ve been wondering what to do for years since my HR manager does not allow us to plug in Nespresso machines. I’m delighted with my Nomaduo since I can finally have my coffee with my capsules and with minimum fiddling. it’s perfect!”
Seize Our Temporary Offer:
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Free Travel Case Included
30% Off
Find out why.
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Seize Our Temporary Offer:
Free Shipping
Free Travel Case Included
30% Off
CHECK AVAILABILITY
If you aren’t taking Alpha BRAIN®, you are operating at a disadvantage.
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We've had some questions
"I already take antioxidant supplements..."
Great! But coffee provides unique antioxidants (like chlorogenic acids) that aren't found in most supplements. Plus, fresh coffee antioxidants have higher bioavailability than many synthetic versions. You're missing an entire category of beneficial compounds by drinking degraded coffee.
Why supplement what you could get naturally—if you preserve it properly?
How do I know the health benefits are real?
Fair question. Here's what we know from peer-reviewed research:
Coffee is the #1 source of antioxidants in the Western diet
Chlorogenic acids (coffee's main antioxidant) degrade rapidly when exposed to heat and oxygen
Fresh-brewed coffee has 3-5x higher antioxidant activity than coffee that's been sitting
Optimal extraction temperature is 90-96°C (Nomaduo's range)
This is actual food science. The Nomaduo simply preserves what research has already proven.
Is the freshness of the coffee guaranteed?
Yes. If you use the machine with coffee capsules, they are by definition hermetically sealed and vacuum-packed, which prevents any oxidation process. If you use the machine with ground coffee, it's best to consume the coffee as quickly as possible once ground (up to a few days), or keep it in an airtight electrical canister to create a vacuum.
Can you use it in a car?
Yes. A usb/usb-c cable is provided in the package as well as a charger. If your car only has a cigarette lighter, you will need to buy an adapter.
Can you make milk with it?
Yes, you can use the nespresso capsules with powdered milk inside to have a nice milk with foam.
What's the battery capacity?
A full battery can make about 4 to 5 coffees if you use the heating system to warm the water. If you have hot water at hand then you can make about 100 coffees with it
Can you make a long coffee / americano with it?
The Nomaduo is designed to make a short and strong espresso. However, if you insist on making an americano with it, you can use our premium 18g ground coffee basket. You will get a very intense espresso with it, that mixed with hot water will basically make you a long americano. Most people do not know this but an americano is just a diluted version of an espresso. So yes, it can.
Is there a guarantee?
Yes, once you have received your Nomaduo®, you have 30 days to decide if you like it or not. if not, just get in touch with customer service and you'll be given a return address, no question asked.
⏰ LIMITED TIME: Only 150 units left to get a FREE travel case
For a limited time, you can get a free travel case if you order a Nomaduo®
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