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Over 29,000 Satisfied Customers
Clinically Proven Formula
90-Day Money-Back Guarantee
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29,000+ Happy Customers
Clinically Proven Formula
90-Day Money-Back Guarantee
Free Shipping on Multi-Bottle Orders
29,000+ Happy Customers
Clinically Proven Formula
90-Day Money-Back Guarantee
Free Shipping on Multi-Bottle Orders
29,000+ Happy Customers
Clinically Proven Formula
90-Day Money-Back Guarantee
Free Shipping on Multi-Bottle Orders
29,000+ Happy Customers
Clinically Proven Formula
90-Day Money-Back Guarantee
29,000+ Happy Customers
One Ingredient Activates. One Fuels. One Protects. One Absorbs. One Powers. One Backs Up.
The 6-Part System That Restores Your Nitric Oxide After 45.
Clinically-studied ingredients. 90-day guarantee. No L-Arginine.
Increase your energy levels naturally without stimulants
Boost circulation and increase warmth to hands and feet
Recommended by doctors for optimal cardiovascular health
Supports healthy blood pressure and cardiovascular health
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The Natural 6-Part System That Brings Back the Energy, Warmth, and Focus That Faded After 45
90-Day Money Back Guarantee
We’re so confident OxySpark will help you, we’re giving you 90 full days to try it out.
Free Shipping
Order any of our multi-bottle specials today and we will cover the shipping and handling fees inside the U.S.
Highest Quality Guaranteed
OxySpark is manufactured in an FDA-registered facility that is also cGMP certified.
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Why Thousands of People Are Switching To OxySpark
If you struggle with:
• Fatigue
• Brain fog
• Cold hands and feet
• High blood pressure
OxySpark could be exactly what your body’s been missing.
Most circulation and nitric oxide supplements rely on outdated L-Arginine supplements, a synthetic amino acid that only boosts blood flow for a few hours, but it can cause dangerous side effects, including heart issues and digestive problems.
That’s why more and more people over 40 — along with athletes and health-conscious adults — are ditching arginine-based supplements and turning to OxySpark instead.
Based on Nobel Prize-winning research, OxySpark uses patented ViNitrox™️, a natural blend of powerful polyphenols extracted from apple and grape skin stem cells, that are clinically proven to:
Boost circulation 50%
Safely increase nitric oxide production by 24%
Increase energy levels to combat fatigue
Enhance exercise performance and recovery
Reduce inflammation by 50%
What Happens After You Start Taking OxySpark
Experience noticeable improvements in your energy, mental clarity, and blood flow, all without L-Arginine or risky stimulants.
DAY
01
FIRST SIGNS
The chill starts to ease from your fingertips, especially in the morning, and you may catch yourself reaching for that afternoon coffee a little less. Underneath, OxySpark's six ingredients are already at work, restoring the nitric oxide production that better blood flow depends on.
DAY
30
MOMENTUM BUILDS
The afternoon wall starts to move. Instead of fading by 1 PM, you've got something left for dinner. The fog lifts, names come faster, and steady energy with warmer hands and feet starts to feel less like a good day... and more like your normal one.
DAY
90
YOUR NEW NORMAL
Daily use helps your body rebuild its nitric oxide capacity, so steady energy, healthy circulation, and mental sharpness become your baseline. This is OxySpark quietly supporting your cardiovascular system day after day... no spikes, no crashes, just you feeling like yourself again.
What People Are Saying About OxySpark…
Geoffrey Swenson
It helps this old man
I am a soon to be 78 year old male. My family has a history of heart disease. However I hit the gym three times a week and do a lot of weight lifting and cardio.
I am taking Oxyspark to help keep my arteries clear and my blood pressure in a healthy range. My results are encouraging, my energy is good and blood pressure is 120/78. I recommend this product!
Verified Buyer
Roberto Villafane
Love Oxyspark
Love Oxyspark.. I feel more energetic after being a long time user of Oxyspark....
You guys have me as a customer for life. Thanks
Verified Buyer
MACY BOWDEN
Must have OxySpark
There I was doing so good for a 76 year old on my energy levels. So I more or less dropped OxySpark. I didn't take it for awhile. It wasn't very long before my energy levels dropped.
I came to the conclusion (duh) I need OxySpark every day. Makes me happy to have energy to make it through the day.
Verified Buyer
Spencer Sessions
More energy, clearer thoughts
This stuff is great. I have more energy, more stamina, and clearer thoughts. I feel muscle forming after very little effort. My male machinery downstairs is working better than it has in years. And it tastes great.
It takes zero effort to get it down in the morning. I have not noticed any side effects so I see no reason not to take this for years to come.
Verified Buyer
C. Hauser
I finally found the supplement for me!!!
I’ve tried a lot of supplements over the years, so I don’t usually expect much; but this one really surprised me. I started noticing a difference within just a couple of days, especially with my energy.
Now that I’m about two weeks in, I can honestly say I feel a big improvement. My energy is more consistent, my mind feels clearer, and my focus is noticeably better. One of the biggest things for me though is motivation. I’ve had way more drive to actually get things done instead of putting them off. It doesn’t feel like a spike or anything artificial, just a steady boost that lasts throughout the day.
A friend recommended it to me, and I’m really glad they did. This is one I’ll definitely be sticking with long term. Totally worth it.
Verified Buyer
Carol Gast
I will never forget my OxySpark again!
I recently went on a lengthy business and vacation trip. Didn't realize until too late that I forgot to pack my OxySpark. By the end of the trip I was tired, and just not functioning at my normal pace.
As soon as I returned home I immediately started back on my daily routine of OxySpark. Within two days I could feel the difference. My energy levels were better, I was sleeping better and just felt better. Will never travel without it again! This product is reasonably priced for the results that it gives!
Verified Buyer
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What's Inside OxySpark™
A powerful, synergistic blend of clinically studied ingredients designed to improve circulation, boost nitric oxide, and support full-body energy — without stimulants.
ViNitrox™
Patented
A patented blend of grape and apple polyphenols extracted from apple and grape skin stem cells used in clinical trials to restore vascular function and support energy naturally.
Boost nitric oxide by 24%
Improve blood flow by 50%
Reduce inflammation by 50%
Neutralize free radicals during nitric oxide production
L-Citrulline
Amino Acid
A naturally occurring amino acid that works with Vinitrox™ to safely increase nitric oxide levels without the harsh side effects of synthetic L-Arginine pills.
Naturally raise L-Arginine levels in the body
Promote stronger vasodilation and blood flow
Enhance oxygen delivery to muscles and brain
Beet Root Powder
Superfood
Provides an additional nitrate pathway to further boost nitric oxide levels and support cardiovascular health. This gives your body two ways to produce nitric oxide instead of one.
Reinforce Vinitrox™ effects on blood vessel health
Support endurance and recovery
Popular among athletes for circulation and stamina
AstraGin®
Patented
A patented extract from astragalus and Panax notoginseng that enhances nutrient absorption across the board.
Increase L-Citrulline absorption by 45%
Help the body absorb key amino acids faster
Maximize nitric oxide production efficiency
CoQ10
Antioxidant
A heart-healthy antioxidant that fuels energy production at the cellular level for sustained performance.
Decrease oxidative stress and improve mitochondrial function
Promote peak cardiac performance
Reduce free radical damage linked to fatigue
Enzogenol®
Patented
A natural extract from New Zealand pine bark with powerful anti-inflammatory effects for whole-body health.
Reduce LDL cholesterol and systolic blood pressure
Support healthy blood circulation
Reduce risk of age-related eyesight deterioration
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OxySpark's Proprietary All-Natural Ingredients In A Great-Tasting Grape Flavor
OxySpark combines a proprietary blend of natural, non-GMO, gluten-free ingredients to enhance nitric oxide production, absorption, vasodilation, and cellular protection from free radicals, making it the most advanced nitric oxide product on the market.
While most nitric oxide boosters taste bitter or synthetic, OxySpark delivers a naturally sweet grape flavor you’ll actually enjoy, no choking it down, no aftertaste.
Just mix one scoop with 8 oz. of water, juice or milk, and you’ll soon start feeling the refreshing, energizing, and circulation-boosting effects of a nitric oxide formula that’s as clean as it is effective.
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WARNING: If your blood flow supplement contains L-Arginine, you must stop taking it now.
• PUBLISHED RESEARCH
Biochemical & Biophysical Research Communications
• The Problem with L-Arginine
Most blood flow supplements rely on high doses of L-Arginine.
Studies show L-Arginine only improves blood flow by an average of 1.8% to 10% — and the effect fades within hours.
L-Arginine is an amino acid often used in generic nitric oxide supplements to temporarily dilate blood vessels. But the results are usually short-lived and often come with significant side effects, especially in older adults.
Known Side Effects
Can cause bloating, diarrhea, and stomach cramps
Often requires high doses (7,000mg+) for minimal effect
Linked to reactivation of viruses like herpes in sensitive users
May stress the kidneys and liver with long-term use
Not well tolerated in people over 40 due to declining enzyme activity
Worse: Recent studies show L-Arginine's effectiveness plummets as you age, making it a risky and unreliable long-term solution.
• The Smarter Alternative
OxySpark works without L-Arginine.
It contains clinically studied, natural ingredients proven to boost nitric oxide, improve heart health, and increase circulation.
24%
Nitric Oxide Boost
50%
Better Circulation
0
Stimulants
Clinically studied, plant-based formula
Improves energy, heart, and brain health naturally
No harsh side effects or high-dose requirements
Effective regardless of age or enzyme activity
A smarter, plant-based formula thousands of people your age are already using to improve energy, heart, and brain health.
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Thousands of Happy Customers
Customer Reviews
I thought it might be valuable to future prospective customers to know what I think about your tremendous products. I am a retired 80-year-old Doctor of Science (D.Sc.) biochemist and former national trainer for years for other nutrition products firms since the 1970's when I also was the youngest scientist speaker for the National Health Federation conventions and other organizations, and a university administrator. I am a consumer of only the finest nutritional products.
As soon as I evaluated your OxySpark formula I ordered a case of it the next day and recommend it to all my clients. No other formula in this industry has such a comprehensive formula that is remarkably effective for the generation of whole-body sustained energy generation at cellular level for increased stamina and endurance with no negative side effects or without the typical crash found in other supplements. It provides an extra energy spark to my life that is soft and smooth without being hyper.
Personally, for me I outwork and exercise people 1/3 my age every day and I also speed walk 7 miles 5 days a week. This firm's total product line is so remarkable and well researched that I would recommend them to anyone else just as I do to my own high-performance clients. Everyone comments on my brilliant memory and high energy performance as I still work full time for the joy of helping others in their senior years and being a mentor to young people as well. My own physician says I have the best chance of all their patients over the years to live to age 100 and that I didn't need to see them for any health issue.
I now prescribe OxySpark to my patients because it worked wonders for me. They have 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 | 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.
I tried OxyBoost, with ambiguous results, then tried OxySpark and it made a big difference in blood flow to the extremities. It gets cold here in winter and more circulation is a benefit. Also when waking in the morning, my legs seemed warmer and ready to get moving. It may be my imagination, but I think I'm thinking more clearly, less late evening fog as well. I'll keep going with the OxySpark.
I recently went on a lengthy business and vacation trip. Didn't realize until too late that I forgot to pack my OxySpark. By the end of the trip I was tired, and just not functioning at my normal pace.
As soon as I returned home I immediately started back on my daily routine of OxySpark. Within two days I could feel the difference. My energy levels were better, I was sleeping better and just felt better. Will never travel without it again! This product is reasonably priced for the results that it gives!
This stuff is great. I have more energy, more stamina, and clearer thoughts. I feel muscle forming after very little effort. My male machinery downstairs is working better than it has in years. And it tastes great.
It takes zero effort to get it down in the morning. I have not noticed any side effects so I see no reason not to take this for years to come.
Hi Spencer, we're thrilled to hear you're experiencing such positive results with OxySpark! Thank you for sharing your experience and for trusting OxyNaturals. We're here to support you on your health journey!
Exactly What OxySpark Gives You
Based on Nobel-Prize winning science, proven by real people.
Sharpen your Memory & Mental Clarity
Your brain uses 20% of your body's oxygen, but only when blood actually reaches it. OxySpark restores the nitric oxide your blood vessels need to open up and deliver that oxygen where it counts. The fog lifts. Names come faster. You stay sharp at 4 PM, not just at 9 AM.
Support Better Circulation
Cold hands and feet aren't just a comfort issue. They're a signal that your blood isn't reaching the edges of your body the way it should. OxySpark widens your blood vessels naturally, so warmth returns to your fingertips, your toes, and every cell in between. No L-Arginine. No stimulants. Just steady, healthy flow.
Increase Your Energy Naturally
Real energy doesn't come from caffeine. It comes from oxygen reaching your cells and powering your mitochondria. OxySpark improves circulation so every cell gets what it needs to produce energy the way it did in your 30s. No spike. No crash. Just steady fuel from morning to night.
Reignite Closeness With Your Partner
Healthy circulation is the foundation of intimacy at every age. When blood flows the way it should, you feel more present, more confident, and more connected. OxySpark supports the natural nitric oxide pathways your body relies on for healthy performance in bed... the same ones that quietly fade after 45.
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Natural Way To Improve Your Focus, Increase Energy & Support Heart Health Without L-Arginine
Unlike most nitric oxide boosters that rely on high doses of L-Arginine, OxySpark uses clinically studied ViNitrox™ that works better and faster, naturally.
Boosts Circulation & Heart Health
OxySpark helps your body produce more nitric oxide, a critical molecule that relaxes and widens blood vessels. Better circulation means better performance, endurance, and cardiovascular support.
Promotes vascular flexibility for easier blood flow and less resistance.
Supports endothelial function, the inner lining of blood vessels that regulates pressure.
Aids nutrient delivery to vital organs like your brain, heart, and muscles.
Energizes Without Stimulants
Unlike caffeine-based energy products that spike and crash, OxySpark provides clean, sustained energy. By naturally improving circulation and oxygenation, your body feels more alert, vital, and energized all day long without the jitters or crashes.
Increases cellular oxygen uptake for better endurance at the source.
Recharges mitochondrial efficiency, your body’s natural energy factories.
Reduces oxidative stress, which can drain your energy quickly.
Supports Mental Clarity & Focus
OxySpark sharpens mental performance by improving cerebral circulation, allowing you to think clearly, stay focused, and maintain mental stamina, even on demanding days.
Supports neurotransmitter function, helping messages travel faster in your brain.
Combats brain fog and mental fatigue linked to poor blood flow.
Improves blood flow to the brain, enhancing mental clarity.
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Two Futures
Imagine what changes...
Your hands are warm when you reach for your morning coffee. You make it through the afternoon without hitting a wall.
Your thinking is clear at 4 PM, not just at 9 AM. You say yes to the hike, the grandkids, the dinner plans... not because you're pushing through, but because you actually have the energy.
You feel like yourself again. Not younger. Just... capable. Present. Not managing your limits but living past them.
If nothing changes...
The cold hands don't warm up on their own. The afternoon wall doesn't retreat. The fog doesn't lift.
And each year, the list of things you've quietly stopped doing gets a little longer. The stairs you avoid. The invitations you decline. The grandkids you watch from the bench instead of the yard.
And the hardest part isn't the bench. It's the moment you realize they've stopped asking you to join in.
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Clinical Studies Validate The Power Of OxySpark
OxySpark is supported by both clinical research and the real-world success stories of thousands of users.
Cell Revitalization Breakthrough
When the Bio Seare team at Nexira first tested their ViNitrox™ formula, they were amazed by the results, needing three tests to confirm their findings. ViNitrox™ transforms your body into a nitric oxide-producing powerhouse by activating eNOS (endothelial nitric oxide synthase), your body's nitric oxide factory.1
In a lab study, ViNitrox™ boosted eNOS activation by 43% and increased nitric oxide production by 24%, helping cells function like they did years ago.1 This means ViNitrox™ not only enhances circulation but also restores your body's natural nitric oxide production.
Blood Flow Restoration
The researchers also discovered something even more important:
In a controlled laboratory study, they compared ViNitrox™ to leucocyanidol - a synthetic chemical specifically designed by pharmaceutical companies to dilate blood vessels.1
ViNitrox™ performed almost as well as the lab-made drug.
The blood vessels dilated by an incredible 50%.1
Here's the amazing part: ViNitrox™ works naturally without the side effects of pharmaceuticals. In comparison, L-arginine only dilates blood vessels by 1.8% to 10%, even at high doses of 7,000mg.2 This makes ViNitrox™ 5 to 25 times more effective than L-arginine.
Age-Fighting Inflammation Reduction
Here's where it gets interesting. Researchers aimed to understand why ViNitrox™ outperformed other supplements. They conducted a clinical trial with 34 individuals suffering from metabolic syndrome, each taking 500mg of ViNitrox™ daily for 28 days, the same amount that is in OxySpark.
They found that ViNitrox™ reduced harmful inflammation by 50%,3 which is crucial because high inflammation damages the cells that produce nitric oxide. Unlike other blood flow supplements that can worsen inflammation, ViNitrox™ protects endothelial cells and keeps nitric oxide production steady, making it more effective over time.
Human Performance Enhancement
Dr. Louis Ignarro, Nobel Prize winner, says:
"I am convinced that nitric oxide can age-proof your cardiovascular system, keeping it much fitter than your chronological age would indicate."
ViNitrox™ enhances your body's nitric oxide production safely. In clinical trials, users experienced:
9.7% boost in endurance 2
12.8% better effort tolerance 2
16.2% improved recovery2
These gains were from just one dose—imagine daily use!
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How OxySpark Compares With Other Supplements On The Market
OxySpark
Generic Circulation Products
Boosts nitric oxide
Clinically proven results
Doesn’t contain harmful L-Arginine
Improves blood flow
Supports cardiovascular health
Fast-acting
Boosts energy
Fights inflammation
Powerful antioxidant
Doesn’t damage Nitric Oxide-producing cells
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What Changes Actually Look Like (Day by Day)
So what should you expect? Not miracles overnight. Real changes, building over real time.
Days 1-7
First Signs
You notice your hands feel warmer... especially in the morning. That stubborn chill in your fingertips starts to ease. You might catch yourself making it to 2 PM without reaching for the coffee. It's subtle. But it's there.
Days 8-21
Building Momentum
The afternoon wall moves. Instead of crashing at 1 PM, you're making it through to dinner and still have something left. The fog lifts... names come faster, you lose your train of thought less often. You realize you've been saying "yes" to things you'd been quietly avoiding.
Days 22-45
Your New Baseline
This becomes your baseline. Steady energy. Warm hands and feet. Clearer thinking at 4 PM, not just at 9 AM. You don't feel 25 again... but you feel like yourself. The version of you that gets off the bench and into the yard with the grandkids. The version that doesn't plan the day around rest breaks.
Days 45-90+
Thriving Vitality
Peak restoration phase. Your body has rebuilt its nitric oxide production capacity. Circulation is optimized to the level your current health allows. Your body has fully adapted. Blood vessels stay open. Energy is steady. This is your new normal.
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Greg Ramola
"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!"
Yes, I recommend this product.
Product Overview
Harness the power of nature with OxySpark, our most advanced circulation and nitric-oxide–boosting drink powder. This delightful fruit-stem-cell blend ignites blood flow, sharpens mental clarity, and fuels full-body energy, without L-Arginine, stimulants, or synthetic additives. Based on Nobel Prize winning science, and trusted by over 29,000 satisfied customers.
Specs & Ingredients
ViNitrox™ (apple & grape stem cell polyphenols): Clinically proven to boost nitric oxide by ~24%, enhance blood flow up to 50%, reduce inflammation, and neutralize free radicals. Same dosage used in human clinical trials.
L-Citrulline: Converts into L-Arginine in the body to sustain nitric oxide production naturally, promoting vasodilation, endurance, and enhanced oxygen delivery.
Beet Root Powder: A natural source of nitrates that further support nitric oxide synthesis and stamina, offering a “second-wind” boost.
AstraGin®: A patented extract (astragalus + ginseng) that improves the absorption of L-Citrulline by 167% in human studies, maximizing effectiveness.
CoQ10 & Enzogenol® (pine bark extract): Heart-protective antioxidants that support vascular function, reduce inflammation, and enhance overall cardiovascular support.
How to use them
Just mix one scoop with 8 oz. of water, juice or milk, and you’ll soon start feeling the refreshing, energizing, and circulation-boosting effects of a nitric oxide formula that’s as clean as it is effective.
Timing: Best taken in the morning for all-day circulation, energy, and mental clarity.
Onset of Benefits:
2–3 weeks: Noticeable improvements in energy, warmth in extremities, and cognitive sharpness.
1–3 months: Full benefits—including sustained vitality, improved stamina, clearer focus, and cardiovascular resilience.
Ingredient Facts
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Free U.S. Shipping on multi-bottle orders.
90-Day “Empty Bottle” Money-Back Guarantee—a full refund, no hassle, even if the bottle is empty.
29,000+ Happy Customers
OxySpark
Restore Healthy Blood Flow, Oxygen Delivery, and Natural Energy... With Nitric Oxide Support That Actually Works.
FEEL THE DIFFERENCE OR PAY NOTHING
Try OxySpark for a full 90 days. Use every scoop in every bottle. If you don't feel warmer hands, clearer thinking, and energy that lasts past 2 PM... call or email us and we'll refund every penny. Even if the bottles are empty. No questions and no hoops to jump through.
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Greg Ramola
"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!"
Yes, I recommend this product.
Product Overview
Harness the power of nature with OxySpark, our most advanced circulation and nitric-oxide–boosting drink powder. This delightful fruit-stem-cell blend ignites blood flow, sharpens mental clarity, and fuels full-body energy, without L-Arginine, stimulants, or synthetic additives. Based on Nobel Prize winning science, and trusted by over 29,000 satisfied customers.
Specs & Ingredients
ViNitrox™ (apple & grape stem cell polyphenols): Clinically proven to boost nitric oxide by ~24%, enhance blood flow up to 50%, reduce inflammation, and neutralize free radicals. Same dosage used in human clinical trials.
L-Citrulline: Converts into L-Arginine in the body to sustain nitric oxide production naturally, promoting vasodilation, endurance, and enhanced oxygen delivery.
Beet Root Powder: A natural source of nitrates that further support nitric oxide synthesis and stamina, offering a “second-wind” boost.
AstraGin®: A patented extract (astragalus + ginseng) that improves the absorption of L-Citrulline by 167% in human studies, maximizing effectiveness.
CoQ10 & Enzogenol® (pine bark extract): Heart-protective antioxidants that support vascular function, reduce inflammation, and enhance overall cardiovascular support.
How to use them
Just mix one scoop with 8 oz. of water, juice or milk, and you’ll soon start feeling the refreshing, energizing, and circulation-boosting effects of a nitric oxide formula that’s as clean as it is effective.
Timing: Best taken in the morning for all-day circulation, energy, and mental clarity.
Onset of Benefits:
2–3 weeks: Noticeable improvements in energy, warmth in extremities, and cognitive sharpness.
1–3 months: Full benefits—including sustained vitality, improved stamina, clearer focus, and cardiovascular resilience.
Ingredient Facts
Shipping & Risk-Free Guarantee
Free U.S. Shipping on multi-bottle orders.
90-Day “Empty Bottle” Money-Back Guarantee—a full refund, no hassle, even if the bottle is empty.
90-Day Money-Back Guarantee
We put our money where our mouth is.
If you’re unhappy with OxySpark for any reason, simply send us an email at support@oxynaturals.com or call us at 833-699-7727 and we'll issue a 100% refund!
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OxySpark Supplement Facts
Frequently Asked Questions
Got questions? We’ve got answers.
How long does it take to feel the effects of OxySpark™?
Most users begin to feel noticeable improvements in circulation, energy, and focus within 7–14 days. For optimal, long-lasting results, we recommend consistent daily use for at least 30 days.
What makes OxySpark different from other nitric oxide supplements?
While most blood flow supplements rely on outdated L-Arginine formulas, OxySpark skips synthetic aminos entirely. Instead, it uses ViNitrox — a clinically studied blend of apple and grape stem cell polyphenols that’s been shown to increase circulation by 50%, boost nitric oxide by 24%, and reduce inflammation naturally.
Is OxySpark safe for people with high blood pressure?
Yes — OxySpark is designed to support healthy blood pressure by improving vascular function and promoting smoother circulation. However, if you're currently taking medication or managing a medical condition, please consult with your healthcare provider first.
Will it make me feel jittery like caffeine?
Not at all. OxySpark contains zero stimulants. It works by increasing blood flow and oxygen delivery at the cellular level, helping your body feel naturally energized without any crash or weird feeling.
When is the best time to take OxySpark™?
Mix one scoop with 8 oz of water or your favorite drink once daily. Morning or early afternoon works best to support all-day circulation and energy.
Is there a money-back guarantee?
Absolutely. If you don’t feel a difference in energy, clarity, or circulation within 90 days, simply reach out, and we’ll refund your order. No questions asked.
Who should take OxySpark™?
OxySpark is ideal for adults looking to improve circulation, energy, memory, and cardiovascular health, especially those over 50 or anyone experiencing cold extremities, fatigue, or brain fog due to poor blood flow.
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29,000+ Happy Customers
What Are You Waiting For? Begin Improving Your Circulation, Cognition & Energy Within 7 Days
If you don’t see any improvements in your energy, circulation, and overall well-being after 90 days of taking OxySpark regularly, just contact us and we will send your money back. No questions asked.
Increase your energy levels naturally without stimulants.
Supports healthy blood pressure
Recommended by cardiologists for optimal cardiovascular health.
Current stock level:
LOW
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Clinical Studies
OxySpark – a supplement you can actually trust. Backed by real science.
Effect of ViNitrox™ on the activation of eNOs through the phosphorylation of “Serine 1177” from endothelial cells (HUVECs) as measured by flow cytometry (2010)
Ex-Vivo laboratory study: ViNitrox™ stimulates the production of nitric oxide (NO) by vascular endothelium
An acute dose of specific grape and apple polyphenols improves endurance performance: A randomized, crossover, double blind versus placebo controlled study
Randomized, crossover, double blind, placebo controlled study of the effect a single dose of ViNitrox™ on performance upon effort and recovery in healthy volunteers
Increase in fasting vascular endothelial function after short term oral l-arginine is effective when baseline flow-mediated dilation is low: a meta-analysis of randomized controlled trials
Inflammation in atherosclerosis: Imaging, biomarkers and novel therapeutic opportunities
Acute L-Arginine supplementation does not increase nitric oxide production in healthy subjects
House, L.M., et al. Tissue inflammation and nitric oxide-mediated alterations in cardiovascular function. Cardiovascular Diabetology. 2015.
Tangadi, D., Bhutani, N., & Bhavsar, P. (2020). Coronary Artery Disease, Nitric Oxide, Insulin Resistance, Polymorphism, RFLP.
Wang, Y., Cheng, K., Lam, K., Wu, D., Wang, Y., Huang, Y., Vanhoutte, P., Sweeney, G., Li, Y., & Xu, A. (2011). APPL1 Counteracts Obesity-Induced Vascular Insulin Resistance and Endothelial Dysfunction by Modulating the Endothelial Production of Nitric Oxide and Endothelin-1 in Mice. Diabetes, 60, 3044–3054.
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