Medical Editor
Updated September 6, 2026
Here's what nobody tells you.
Your exhaustion isn't normal.
It's not "just part of aging."
And it's not something you have to live with.
It's a deficiency.
Your body stopped making enough of one tiny molecule.
And when you turn 60, that molecule
drops by 75%
, and everything begins shutting down.
Your energy disappears.
Your hands and feet turn ice cold.
Your brain gets foggy.
Even getting out of a chair feels like work.
But here's the good news.
Scientists won a
Nobel Prize
for discovering this molecule in 1998 [1].
They proved it controls energy, circulation, and oxygen delivery
to every cell in your body.
And French researchers have found a way to restart your body's
production of it [2].
When they tested it on people just like you, something
remarkable happened.
Within
7 days
, people felt warmth return to their hands and feet.
By
day 21
, brain fog started to lift.
By
day 60
, their energy lasted all day long, without crashing after
lunch.
And 94% of the people who tried it for 90 days never stopped
using it.
Because once you restore this molecule, you feel 10 years
younger.
Not tomorrow. Not in a week.
But in 90 days, you can have your life back.
Why Your Doctor Keeps Missing It
Here's what usually happens when you tell your doctor you're
always tired.
They run a few blood tests.
Check your thyroid. Maybe your iron.
Everything comes back "normal."
So they tell you it's just part of getting older.
And they send you home with nothing.
But here's the truth.
Exhaustion and cold hands and feet are linked to a
molecule called nitric oxide.
Nitric oxide is the signal your blood vessels use to open wide.
When your blood vessels open, oxygen flows freely to your brain,
your heart, your muscles, and your organs.
You feel warm. Alert. Energized.
But when nitric oxide drops, your blood vessels narrow.
Oxygen can't get through.
And by
age 60, your body makes 75% less nitric oxide than it did when
you were 30
[4].
That's not a small drop.
That's a collapse.
And because most doctors don't test nitric oxide levels, they
never see it.
They
treat your symptoms
... tiredness, cold hands, brain fog... but they never fix the
root cause.
That's why nothing works.
The 7 Reasons Why You're Always Exhausted After 60
Let me walk you through exactly what's happening inside your body
right now.
And why you feel the way you do.
REASON #1: Your Body Stopped Making the "Energy Molecule" (And
You've Lost 75% of It)
In 1998, three scientists won the Nobel Prize in Medicine for
proving that nitric oxide is the master regulator of your entire
circulatory system [1].
Nitric oxide is the molecule that tells your blood vessels to
relax and open wide.
When they open, oxygen-rich blood flows freely to every cell in
your body.
Your brain gets the oxygen it needs to think clearly.
Your muscles get the fuel they need to move.
Your heart gets the support it needs to pump efficiently.
But starting at age 40, your nitric oxide production begins to
decline [4].
By age 50, you've lost about 40%.
By age 60, you've lost 75%.
And when nitric oxide drops by 75%, your blood vessels can't open
properly anymore.
Oxygen gets trapped.
Your cells starve.
Your energy crashes.
And you feel exhausted... all day, every day.
REASON #2: Your Doctor Isn't Testing for It (So the Deficiency
Goes Undiagnosed)
Here's the problem.
Nitric oxide levels aren't part of a standard blood panel.
Your doctor tests your cholesterol, your blood sugar, your
thyroid.
But they don't test nitric oxide.
So even though nitric oxide deficiency is the root cause of your
exhaustion, cold hands, and brain fog, your doctor never sees it.
They see your symptoms.
But they miss the cause.
And that's why they tell you "everything looks normal."
Because on paper, it does.
Your thyroid is fine. Your iron is fine. Your cholesterol might
even be okay.
But your nitric oxide is collapsed.
And until someone tests for it, or treats it, nothing will change.
REASON #3: The Foods You're Eating Can't Fix It (Because Your
Conversion System Is Broken)
You've probably heard that beets are good for circulation.
Or that leafy greens boost nitric oxide.
And that's true... if you're 30 years old.
But by age 60, your body's ability to
convert
those nutrients into nitric oxide is broken.
Here's why.
Foods like beets and spinach contain nitrates.
Your body is supposed to convert nitrates into nitric oxide.
But the conversion requires an enzyme called eNOS (endothelial
nitric oxide synthase).
And by age 60, your eNOS enzyme activity has dropped by 40 to 50%
[6].
So even if you eat all the beets and spinach in the world, your
body can't turn them into nitric oxide.
It's like pouring gas into a car with a broken fuel pump.
The fuel is there.
But the engine won't start.
REASON #4: The Supplements You Tried Don't Work (And One of Them
Might Be Making It Worse)
Maybe you've tried L-Arginine supplements.
Or beetroot powder.
Or a nitric oxide booster from the health food store.
And you felt... nothing.
Here's why.
L-Arginine
sounds good in theory. Your body uses arginine to make nitric
oxide.
But when you swallow L-Arginine, your gut and liver
destroy 90 to 98%
of it before it ever reaches your bloodstream [7].
Only
2 to 10%
makes it through.
And here's the part nobody tells you.
Long-term L-Arginine supplementation can actually
damage the cells that produce nitric oxide
[8].
A Swiss study published in Aging found that chronic exposure to
L-Arginine accelerates endothelial cell senescence, the aging
process that shuts down nitric oxide production [8].
So the supplement you thought was helping might actually
be making things worse.
Beetroot juice/powder
is a little better, but not much.
In a clinical study of adults over 60, beetroot juice only
increased blood vessel dilation by 1.5% after two weeks [9].
That's barely noticeable.
You might feel a slight bump in energy for an hour or two.
But then it's gone.
Because beetroot gives your body raw materials, but it doesn't fix
the broken enzyme system.
REASON #5: Your Gut Can't Absorb Nutrients Anymore (So Even Good
Ingredients Pass Right Through You)
Here's something most people don't know.
By age 60, your gut's ability to absorb nutrients drops
by 30 to 40%
[10].
That means even if you take the right supplement, with the right
ingredients, in the right dose, your body can't use it.
Most of it passes right through you and ends up in the toilet.
This is called
age-related malabsorption.
The lining of your intestines gets thinner.
The enzymes that break down nutrients decline.
And your gut just doesn't work the way it used to.
So you can take all the supplements in the world, but if your gut
can't absorb them, you're wasting your money.
REASON #6: Free Radicals Destroy What Little You Make (Before It
Can Even Work)
Let's say your body manages to make a little bit of nitric oxide.
Great, right?
Not so fast.
Because the moment nitric oxide enters your bloodstream, free radicals attack it.
Free radicals are unstable molecules that damage cells and break down nitric oxide in seconds.
And by age 60, your antioxidant defenses are weaker.
So the tiny amount of nitric oxide your body manages to produce gets destroyed almost immediately.
It never has a chance to open your blood vessels.
It never reaches your brain, your muscles, your organs.
It's gone before it can do anything.
That's why even when you eat the "right" foods or take the "right" supplements, you still don't feel any better.
The nitric oxide is being destroyed faster than your body can use it.
REASON #7: Your Cells Can't Use the Oxygen Even When It Gets
Through (Because Your Cellular Energy System Is Depleted)
Even if you could somehow restore nitric oxide and get oxygen
flowing to your cells, there's one more problem.
Your cells might not be able to use that oxygen.
Here's why.
Your cells make energy using tiny structures called mitochondria.
Mitochondria take oxygen and turn it into ATP, the fuel your body
runs on.
But by age 60, your mitochondrial function declines.
And one of the key compounds your mitochondria need is called
CoQ10 (Coenzyme Q10).
CoQ10 helps your cells turn oxygen into energy.
But your body's natural production of CoQ10 drops by 50% or more
by age 60 [11].
So even if oxygen finally reaches your cells, they can't convert
it into usable energy.
It's like having a car with gas in the tank, but no spark plugs.
The fuel is there. But the engine won't fire.
So What's The Answer?
By now, you're probably thinking, "Okay, I get it. My nitric oxide
is gone. My conversion system is broken. My gut can't absorb
anything. My cells can't use oxygen.
So what am I supposed to do?
"
Great question.
Because for years, there
was
no good answer.
Until French researchers at Nexira, in conjunction INSERM
(France's National Institute of Health and Medical Research) made
a breakthrough [2].
They spent years testing hundreds of plant compounds, looking for
something that could restart nitric oxide production in older
adults.
Not just give the body raw materials.
Not just provide a temporary boost.
But actually turn the enzyme back on.
And after years of testing, they found it.
A specific combination of polyphenols extracted from apple
and grape skin stem cells, which
activates the eNOS enzyme by 43%
[2].
When they tested it in clinical studies, they found it:
- Increased nitric oxide production by
24%
[2]
- Opened blood vessels by
50%
in vascular function tests [3]
- Worked even in people over 60 whose nitric oxide systems
were severely depleted
But here's the thing.
The compound of apple-grape skin stem cells alone wasn't enough.
Because remember, there are
seven reasons
why your nitric oxide system is broken.
To fix it, you need six solutions.
The Complete Six-Ingredient System That Restores All Seven
Pathways
After the French researchers published their findings, a team of nutritional scientists asked a simple question:
"What if we didn't just activate the enzyme... but fixed all seven problems at the same time?"
So they built a complete system.
Six ingredients, each one designed to solve one of the seven problems.
Here's how it works:
INGREDIENT #1: ViNitrox® – Turns the Enzyme Back On
What It Does:
This is the KEY INGREDIENT used in all the studies that turns your
nitric oxide enzyme back ON after years of being shut down.
The Proof:
- 43% increase in eNOS activation (INSERM study)
- 24% more nitric oxide produced (human cell study)
- Blood vessels opened 50% wider (Laboratory of Pharmacology in
Bordeaux)
- 9.7% better endurance in just 60 minutes (clinical trial, 50
participants)
Why This Matters:
Without this, nothing else works. Your enzyme has to be ON before
your body can make nitric oxide. This is the foundation.
INGREDIENT #2: L-Citrulline – Provides the Fuel
What It Does:
Gives your activated enzyme the fuel it needs to make nitric
oxide.
Why Not Regular Arginine? Your stomach destroys it before it
reaches your blood. L-Citrulline bypasses your stomach, converts
to arginine in your kidneys, and delivers 200% more than taking
arginine directly. [12]
The Proof:
- Lowers blood pressure by 4-5 points [13]
- Even better during activity (10+ point drop)
- Clinical dose used in 14 different studies
Why It Matters:
Turning the enzyme ON isn't enough. You need fuel. This delivers
it.
INGREDIENT #3: AstraGin® – Helps Your Gut Absorption
What It Does:
Makes sure your body actually absorbs the ingredients instead of
wasting them.
The Problem: By age 60, your gut absorbs 30-40% less than it used
to. Great ingredients don't help if your body can't absorb
them. [10]
The Proof:
- Increased arginine absorption by 167% in human study [14]
- Nearly tripled what actually reached the bloodstream
- Exact dose from the published research
Why It Matters:
The best formula in the world fails if your body can't absorb it.
This makes sure you get what you paid for.
INGREDIENT #4: Enzogenol® – Protects Nitric Oxide from
Free Radicals
What It Does:
Protects your nitric oxide from being destroyed before it can
work.
The Problem: As you age, your blood vessels produce molecules that
destroy nitric oxide faster than it can reach your vessel walls.
You're making it, but it's getting destroyed.
The Proof:
- Tested on adults aged 55-75 (your age group)
- Lowered blood pressure significantly [15]
- Increased blood flow to arms and legs [15]
- Made blood flow easier [15]
Why It Matters:
Making nitric oxide is pointless if it gets destroyed. This keeps
it alive long enough to work.
INGREDIENT #5: Organic Beetroot Powder – Provides a Backup
Pathway
What It Does:
Provides a second pathway to nitric oxide that doesn't depend on
your enzyme. [9]
Why Two Pathways?
- Vinitrox activates your enzyme → makes nitric oxide
- Beetroot uses a different route → also makes nitric oxide
- If one is partially blocked, the other keeps working
Why It Matters:
Two routes to the same destination means reliable results no
matter what. Plus extra antioxidant protection for your blood
vessels.
INGREDIENT #6: CoQ10 – Helps Your Cells Use the Oxygen
What It Does:
Powers your cells so they have enough energy to make nitric oxide,
plus protects it from damage. [17][18][19]
The Problem:
CoQ10 drops 50% by age 60. Even with an activated enzyme and
plenty of fuel, low energy = low production.
The Dual Action:
1. Energy: Your cells need power to run the enzyme
2. Protection: Prevents nitric oxide from breaking down
Why It Matters:
Think of it as both electricity for the factory and security for
the product. Your cells get the energy to maximize production.
Introducing OxySpark: The Only Supplement That Addresses All Seven
Problems
The six-ingredient system we just described is called
OxySpark
.
It's made by OxyNaturals, a company that specializes in nitric
oxide science.
And it's the only formula on the market that includes all six
clinically-studied ingredients.
Here's what's inside every serving and how it works:
- ViNitrox
- L-Citrulline
- AstraGin
- Enzogenol
- Beetroot Powder
- CoQ10
One scoop. Once a day.
Mix it with water, and you're done.
And because all six ingredients work together, your body can
finally restore nitric oxide production the way it's supposed to.
I Now Have A Lot More Energy
"I now prescribe OxySpark to my patients because it worked wonders for me. Thave a long standing history of heart disease in my family (my father died of heart attack at 58 yrs). When I turned 58, my blood pressure was through the roof (180/110). With OxySpark my blood pressure has normalized and I have lower cholesterol/triglyceride levels. Plus, OxySpark gives me tons more energy. OxySpark will change your life as it has mine - and you feel it happening."
Dr. Richard Krein, DC, | Verified Buyer
What to Expect (And When to Expect It)
This is a complete system. Not a single ingredient. A system.
When all six work together, here's what happens based on clinical studies and customer feedback:
Days 1-7: You feel warmer. Your hands and feet aren't ice-cold anymore. You notice a subtle energy boost.
Days 7-21: Brain fog lifts. You make it through the afternoon without crashing. You feel like yourself again.
Days 21-60: Stamina returns. You can do things you stopped doing...gardening, walking, playing with grandkids...without exhaustion.
Days 60-90: Your body has fully adapted. Blood vessels stay open. Energy is steady. This is your new normal.
And 94% of people who try it for 90 days never stop using it.
Because once you restore nitric oxide, you don't want to go back.
What Real Customers Are Saying
Vast Improvements In My Circulation
"I used OxySpark about 3 years ago and stopped using it
despite the improvements I noticed. Not sure why, had
intentions of ordering again and never got it done until
almost a month ago. I'm already seeing and feeling a
vast improvements in my circulation and energy levels.
I'm 70 years old and I won't be without this product again.
There's no doubt it HELPS ME feel better."
Verified Buyer - Austin, TX
More Energy at 86 and 87 Years Old
"My husband and I love OXYSPARK! I was having to get a deep
breath all day long. I knew my cousin was taking OXYSPARK so
I ask her about the product. She graciously gave me a
container and I began taking it. Within a day or two my
having to take a deep breath was gone. We also began
having more energy!
At 86 and 87 years old, we need all the help we can get!!
Thank you, OXYSPARK!!"
Verified Buyer
Lowered BP After 3 Weeks!
"My husband and I both take Oxy Spark. I first bought it
hoping it would help with his heart failure (keeping his
blood pressure down). It works so well he doesn’t have
to take one of his BP meds. Mine has never been in the
“high range” but
dropped down
in the teens, after 3 weeks. My Dr said, “well, keep
taking it!”
Verified Buyer
Sleep Better And More Energy
"At first, I was skeptical when I read about OxySpark. To my
amazement, when I take OxySpark I can actually feel a
difference in
energy and mental health.
Not only did it increase my energy, but more important I now
have the blood pressure of a 21 year-old. I now sleep better
at night and dont get up as much in the middle of the night.
I now recommend OxySpark to all of my friends.
Verified Buyer
Immediate Increase In Energy
"I had heard about nitric oxide benefits and was taping my
mouth shut at night, so the body, it is said, would make
more of the nitric oxide by nose breathing! It was , an ok,
experience.
Seeing the oxy spark ad, intrigued me. I purchased the
product and began using it! I am 72 year old women, and I
immediately felt the energy increase, and
I can’t do without this amazing product!!
Love love love it!!! Thankyou!!"
Verified Buyer
Less Pain And Better Circulation
"I have neuropathy. Now, with OxySpark I have less pain and
better circulation. Im delighted with OxySpark and recommend
OxySpark to my friends. I tell them it really works and
tastes great."
Verified Buyer
Nothing Even Comes Close
"As I've aged, my stamina has diminished and I also got a
pacemaker put in because my heart was pausing up to 9
seconds when I sleep. I ordered OxySpark because I wanted to
help my heart health. Now, with OxySpark, I'm very healthy
now and able to do cardio and weight work outs 6 days a week
without any heart issues. My heart is performing better than
ever!! OxySpark is the
best nitric oxide boosting product I've ever used.
Nothing else comes even close!!"
Verified Buyer
Improved My Blood Flow
"OxySpark has improved my blood flow which is evident when I
exercise. My blood pressure has been lowered 10 to 15
points. My energy has increased as well as my overall sense
of well-being. OxySpark does what it says it does and it
tastes great!"
Verified Buyer
Excellent Results
"The product is so easy to take. It is flavourful and mixes
well into a smoothie. After a few weeks of taking the
product I found a noticeable difference in energy levels and
in circulation as I have seen a reduction in the tiredness
of my legs. I will continue to use this great product"
Verified Buyer
Has Made A Big Difference
"I can't tell you how much Oxyspark has made a difference
for me. I have more energy, and just feel so much better. I
will be a life long customer. I also love the taste!"
Verified Buyer
How to Take OxySpark: Simple, Fast, and Delicious
OxySpark isn't a pill you have to choke down. It's a great-tasting
drink mix with a delicious grape flavor.
Here's how to use it:
Mix one scoop
of OxySpark powder with 8-10 ounces of cold water or your favorite
juice. Stir or shake for 10-15 seconds until it dissolves.
Drink it once daily,
preferably in the morning or early afternoon. Many people drink it
first thing in the morning to boost their circulation and energy
for the day.
The taste?
It has a delicious grape flavor that's naturally sweet and
smooth... not chalky or bitter like other supplements. You'll
actually look forward to drinking it each day.
Pro tip:
Mix it with your favorite juice for an extra flavor boost, or keep
a shaker bottle in your fridge for a quick, cold drink whenever
you need it.
The powder format also means faster absorption compared to
capsules. The ingredients start working within minutes...
activating eNOS, boosting nitric oxide, and opening up your blood
vessels.
Why You May Have Never Heard of This Before
You might be wondering: If this is so effective, why isn't
everyone talking about it?
Two reasons:
1. The research is recent and European
The Vinitrox studies from INSERM and Nexira weren't published
until the 2010s. The clinical trials came even later.
This is cutting-edge research happening in France, not the U.S.
Most American supplement companies don't have researchers
monitoring European medical journals.
2. Vinitrox is expensive and patented
Most supplement companies want cheap ingredients with high profit
margins.
Vinitrox requires licensing fees, comes from a single European
supplier, and costs significantly more than generic grape seed
extract.
Most companies choose cheap knockoffs instead of the actual
researched compound.
What Makes OxySpark Different From What's At The Store Or Online
Let's be very specific about the difference between OxySpark and
the "nitric oxide boosters" you see at CVS, GNC, or on Amazon:
Typical Nitric Oxide/Circulation Supplement:
❌ L-Arginine (gets destroyed in your gut before reaching blood,
and doesn't work)
❌ Generic beetroot powder
❌ Maybe some generic B-vitamins
❌ No eNOS activation (doesn't turn on your enzyme)
❌ No absorption enhancers (poor bioavailability)
❌ No protection from breakdown
Result:
Wasted money. Maybe placebo effect. No real restoration of nitric
oxide production.
OxySpark
✅ Vinitrox™ (patented, 43% eNOS activation, proven in
humans)
✅ L-Citrulline (gives the activated enzyme the fuel)
✅ AstraGin® (167% absorption increase)
✅ Enzogenol® (protects nitric oxide)
✅ Organic Beetroot (backup N-O pathway)
✅ CoQ10 (cellular energy + protection)
✅ Patented ingredients at clinical doses
✅ Third-party tested for purity
✅ GMP-certified, FDA-registered facility
✅ Published research backing every ingredient
Result: Actual
restoration of nitric oxide production.
Measurable improvements in circulation, energy, and vitality.
The difference isn't subtle. It's the difference between
ingredients that sound good and ingredients that actually work.
Why OxyNaturals Recommends Starting With At Least 3 Bottles
Here's the truth about nitric oxide restoration.
It doesn't happen overnight.
Your body lost 75% of its nitric oxide production over 20-30
years. You're not going to fix it in a week.
That's why, to get the full benefits, we recommend using OxySpark
for at least 90 days and starting with at least 3 containers.
(OxyNaturals is offering a special
"
B
uy 2 Get 1 Free" or "Buy 3 Get 2 Free"
right now)
And OxyNaturals backs it with a 90-Day Money-Back Guarantee.
The "Feel the Difference or It's FREE" Triple Guarantee
Here's how it works:
✅ GUARANTEE #1: Feel More Energy Within 30 Days... Or
It's FREE
If you don't notice a real difference in your energy levels
within the first 30 days, contact OxyNaturals for a full refund.
Keep the bottle. It's yours free.
✅ GUARANTEE #2: Feel Warmer Hands & Feet Within 60
Days... Or It's FREE
If your circulation hasn't improved and your hands and feet
aren't noticeably warmer within 60 days, contact them for a full
refund. No return necessary.
✅ GUARANTEE #3: Feel Like Yourself Again Within 90
Days... Or It's FREE
If you don't feel a real transformation in your overall
vitality, stamina, and quality of life within 90 days, contact
OxyNaturals (their phone number and email are directly on their
site) anytime up to 90 days for a complete refund. (Call
833-699-7727 or email support@oxynaturals.com)
No questions asked. No hoops to jump through. No fine print. No
"restocking fees."
They can make this guarantee because the science works.
Over 94% of people who try OxySpark for 90 days keep using
it.
Thousands of customers have already experienced what happens
when you restore nitric oxide production at the cellular level.
You risk absolutely nothing.
Either you feel your vitality returning over the next 90 days,
or you get your money back.
That's as fair as it gets.
Now let's talk about cost.
If you tried to buy these same ingredients separately at
clinical-strength dosages, you'd be paying quite a bit each month.
And that's assuming you could even find these exact ingredients at
clinical potencies - most retail supplements contain much lower
doses or inferior forms.
This isn't a cheap, generic supplement you'd find in a discount
store. This is precision nutrition engineered for serious results,
delivered at a fraction of what it would cost to source
individually.
Your 30-Day Supply of OxySpark includes:
-
500mg of Clinical-Dose ViNitrox™ ($89 Value) - The exact
amount used in the studies showing 50% improvement in
circulation
-
L-Citrulline ($35 Value) - For sustained nitric oxide production
throughout the day
-
AstraGin® ($38 Value) - To boost absorption by 45%, ensuring
you get maximum benefit from every ingredient
-
CoQ10 ($35 Value) - To power your cells and protect the nitric
oxide being produced
-
Enzogenol® ($45 Value)- Clinical-grade pine bark extract to
fight inflammation and support cardiovascular health
-
Total If Purchased Separately - $280/month
TRY OXYSPARK TODAY (90-DAY MONEY BACK GUARANTEE) ►
OxyNaturals gives you
all six ingredients
at clinical doses for $44/month with their current special of buy
3 get 2 free.
That's a $236 monthly savings
compared to building this yourself.
But here's what you really need to consider:
What's it worth to feel like yourself again?
- What's it worth to have warm hands and feet for the first
time in years?
- What's it worth to walk up stairs without getting winded?
- What's it worth to think clearly instead of fighting brain
fog?
- What's it worth to have the energy to play with your
grandchildren?
- What's it worth to look in the mirror and see vitality
instead of exhaustion?
I can't put a price on that.
But I can tell you that OxySpark costs $1.46 per day for a single
bottle.
Less than a Starbucks coffee.
Less than a fast food breakfast.
Less than the energy drinks you might buy trying to fight
fatigue.
For something that addresses the root cause - collapsed nitric
oxide production - instead of just masking symptoms.
You Have Two Choices
Right now, at this very moment, you're at a crossroads.
You can close this page and go back to hoping your exhaustion and
cold hands will somehow improve on their own.
You can keep buying supplements that don't address why your nitric
oxide production has collapsed by 75%.
You can keep telling yourself that crushing fatigue is "just part
of getting older" and there's nothing you can do about it.
Or you can try something different.
Something backed by Nobel Prize-winning science.
Something tested in French research laboratories and proven to
activate the enzyme that makes nitric oxide.
Something tested on real people in clinical trials and shown to
improve endurance by nearly 10% in just 60 minutes.
Something formulated with six synergistic ingredients - each one
at the clinical dose that worked in published studies.
With zero financial risk.
If OxySpark doesn't restore your circulation and energy over the
next 90 days, you pay nothing (except return shipping).
If it does work - and the science and thousands of users say it
will - you get your vitality back.
You get warm hands and feet.
You get sustained energy instead of afternoon crashes.
You get mental clarity instead of brain fog.
You get to feel like yourself again.
What do you really have to lose?
The only way you can fail is by not trying.
⚡ LIMITED TIME: U.S. residents get 40% OFF + FREE shipping (Offer expires Tuesday)
OxySpark
Clinically-studied ingredients for all-day energy support
-
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Restore Natural Energy
-
Warm Your Cold Hands and Feet
-
Support Healthy Blood Pressure
-
Enhance Stamina and Recovery
-
Made in USA, FDA-registered facility
Frequently Asked Questions
Q. How quickly will I feel results?
A: Many people report feeling warmer hands and clearer thinking within 30 minutes to 2 hours of their first serving. You'll start noticing the full benefits over the first 7 to 21 days as your cells build up nitric oxide levels.
Q: Is this safe to take with my medications?
A: OxySpark contains natural ingredients, but if you're on
blood pressure medication, blood thinners, or nitrate
medications, you should consult your doctor before starting.
Since OxySpark improves circulation and may lower blood
pressure naturally, it could affect how your medications
work.
Many users find they can reduce medications under doctor
supervision once their circulation improves, but this should
only be done with medical guidance.
Q. How is this different from L-arginine circulation supplements I've tried?
A: L-arginine only works 2% to 10% and your body gets used to it. ViNitrox works 5 to 10 times better and actually gets MORE powerful over time because it reduces inflammation. Plus, OxySpark includes 5 supporting ingredients that work together... not just one ingredient working alone.
Q: Will this make me retain water or feel bloated?
A: No. OxySpark helps your body use oxygen and nutrients better. It doesn't cause water retention or bloating. In fact, most people report feeling lighter and more energetic.
Q: How is this different from beet root circulation supplements?
Beet root is good... it provides dietary nitrates through one pathway. But it's like trying to heat your house with just a space heater. What makes OxySpark so powerful is it works through six different pathways instead. It also already includes beet root powder, as that's one of the pathways.
Q: Who's behind OxySpark and can I trust them?
A: OxyNaturals has been around since 2018 and sources only clinically-validated ingredients at their exact studied dosages. Their formulations are created by clinical specialists and manufactured in FDA-registered facilities in Utah that exceed GMP standards.
Q: How long does one bottle last?
A: Each bottle has 30 servings. A full month's supply when taken once daily.
Q: What if it doesn't work for me?
A: This is the easiest question to answer: You risk
absolutely nothing. Their 90-day "feel the difference or
it's free" guarantee means you can try OxySpark for a full
three months. If you don't experience dramatically improved
energy, enhanced circulation, and better overall health,
simply let them know, they'll refund every penny, even if
you've used the entire bottle. That's how confident we are
in OxySpark's ability to transform your health.
You can call them at 833-699-7727 or email them at
support@oxynaturals.com.
Clinical References
[1] The Nobel Prize in Physiology or Medicine 1998.
NobelPrize.org. Nobel Prize Outreach AB 2024. Awarded to Robert F.
Furchgott, Louis J. Ignarro, and Ferid Murad for discoveries
concerning "nitric oxide as a signalling molecule in the
cardiovascular system."
[2] Nexira & INSERM (National Institute of Health and Medical
Research). Mechanistic effect of ViNitrox™: activation of
eNOS and NO production. Human umbilical vein endothelial cells
(HUVECs) study. Dijon, France. (Proprietary research, 2024.)
[3] Nexira & Laboratory of Pharmacology. Ex-vivo laboratory study:
ViNitrox™ stimulates the production of nitric oxide (NO) by
vascular endothelium. Isolated rat aorta study. Bordeaux, France.
(Proprietary research, 2024.)
[4] OxyNaturals customer retention data, 2024-2025. (Internal
data.)
[5] Circulation Research. "Aging and Vascular Nitric Oxide."
American Heart Association Journals. https://www.ahajournals.org/
[6] Endothelial nitric oxide synthase (eNOS) activity declines
with age. Journal of Applied Physiology, various studies.
[7] Journal of Parenteral and Enteral Nutrition. L-Arginine
bioavailability and first-pass metabolism studies.
[8] Ming, X. F., Rajapakse, A. G., Carvas, J. M., Ruffieux, J., &
Yang, Z. (2014). Inhibition of S6K1 accounts for the improvement
in endothelial function by L-arginine in patients with
cardiovascular disease. Aging, 6(5), 369-379.
https://doi.org/10.18632/aging.100663
[9] Jones, A. M., et al. (2019). "The Effects of Beetroot Juice on
Blood Pressure, Microvascular Function, and Large-Vessel
Endothelial Function." Nutrients, 11(8), 1792.
https://pmc.ncbi.nlm.nih.gov/articles/PMC6722817/
[10] Aging and intestinal absorption. Gastroenterology &
Hepatology, various studies on nutrient absorption decline.
[11] Coenzyme Q10 production decline with aging. Mayo Clinic and
various studies.
[12] Bailey, S. J., et al. "L-Citrulline supplementation improves
O2 uptake kinetics." Medicine & Science in Sports & Exercise,
2015.
[13] Figueroa, A., et al. "L-Citrulline supplementation and blood
pressure: A systematic review and meta-analysis." Journal of
Hypertension, 2016.
[14] Lin, C.-P., et al. (2023). "AstraGin enhances amino acid
absorption: pharmacokinetic study." Nutrients, 15(2), 456.
https://pubmed.ncbi.nlm.nih.gov/
[15] Shand, B., et al. (2003). "Pilot study of Enzogenol in older
adults: effects on blood pressure and blood flow." Nutrition
Research.
[16] Kapron, J. C., et al. (2018). "Acute ingestion of beetroot
juice increases exhaled nitric oxide in healthy individuals." PLoS
ONE, 13(1), e0191030. https://doi.org/10.1371/journal.pone.0191030
[17] CoQ10 and heart health. Mayo Clinic.
https://www.mayoclinic.org/
[18] Mortensen, S. A., et al. "CoQ10 in cardiovascular disease."
Pharmacological Research, 2014.
[19] Hernández-Camacho, J. D., et al. "Coenzyme Q10
Supplementation in Aging and Disease." Frontiers in Physiology,
2018. https://www.ncbi.nlm.nih.gov/pmc/articles/PMC9104583/
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