Nitric Oxide Levels Jump 200% Higher In Just 20 Minutes
Boosts your energy… sharpens memory… increases stamina… enhances sexual performance… and helps lower blood pressure
- ⚡ More Energy
- 🧠 Sharper Memory
- ❤️ Healthy Blood Pressure
- 🔥 Better Stamina
90-Day Money-Back Guarantee · Free Shipping on 3+ Boxes
Why You Need Nitric Oxide
Nitric oxide is the “youth molecule” your body uses to keep your blood vessels open, oxygen flowing, and brain firing.
But research shows that by age 70 your nitric oxide levels drop by a whopping 75%. By 80, nitric oxide levels are down by 85%.
This dramatic decline is the hidden cause behind:
- Fatigue that keeps you from activities you love
- Blood pressure concerns your doctor keeps monitoring
- “Senior moments” and frustrating memory lapses
- Reduced intimacy and performance in the bedroom
- Joint discomfort that limits your independence
- Cold hands and feet from poor circulation
When nitric oxide plummets, you don’t just feel older – your body literally starves for oxygen and nutrients.
The good news? CircO2 fixes your nitric oxide problems in 20 minutes. So you can reverse your symptoms fast.
Why Most “Nitric Oxide” Supplements Fail
The most common ways people try to boost their nitric oxide levels don’t work. Here’s why:
L-Arginine Supplements
Clinical studies show L-arginine loses up to 75% of its potency during digestion. What’s more, after age 45, your body struggles to convert L-arginine to nitric oxide at all.
Beet Juice & Leafy Greens
While effective, you’d need 2–3 pounds of these foods daily for therapeutic effects. Plus, their nitric oxide-boosting power varies, depending on the soil these plants grew in.
Standard Pills & Capsules
These go straight to your stomach. But MIT scientists found that the first and most crucial step in nitric oxide production does NOT happen in your gut.
The MIT Breakthrough That Changes Everything
MIT scientists discovered that nitric oxide production starts in your mouth. It’s the bacteria on your tongue that convert nitrates into nitric oxide. That’s the first and most important step.
That’s why CircO2 comes in fast-dissolving lozenges. You place one on your tongue, and within minutes it kickstarts nitric oxide production.
In clinical testing, this method raised nitric oxide levels 200% within 20 minutes. And it increased blood flow by a staggering 34%.
No pill or capsule can achieve these results.
3 Energy-Enhancing Nutrients
Beet Root Powder — Olympic-Level Stamina & Power
Beet root is a favorite of Olympic athletes – and for good reason. It’s rich in natural nitrates that help open up blood vessels, improve oxygen flow, and supercharge your stamina.
Hawthorn Berry — The Absorption Booster
Used for centuries to support the heart, hawthorn berry is now known to enhance nitric oxide absorption. So it helps your body get more nitric oxide out of every dose.
L-Citrulline — Superior to L-Arginine
L-citrulline converts to nitric oxide more effectively than L-arginine, especially if you’re over 45. It supports circulation, blood pressure, memory, and sexual performance.
More Nutrients That Multiply the Benefits
CircO2 also includes more ingredients that enhance nitric oxide production:
Vitamin B12
After 50, up to 30% of adults become B12 deficient. The B12 in CircO2 boosts energy, nerve health, and nitric oxide production.
Vitamin C
Acts as a catalyst for nitric oxide production and protects existing nitric oxide from oxidative damage.
Magnesium
Relaxes blood vessels, regulates heart rhythm, and supports recovery.
Together, these ingredients create the most complete, scientifically-advanced nitric oxide restoration system available.
How CircO2 Will Transform Your Daily Life
People who take CircO2 report the below benefits:
- Renewed energy and stamina to stay active, travel, or pursue passions without afternoon fatigue
- Sharper thinking and recall – remember names, where you put things, and maintain your mental edge in conversations
- Healthier blood pressure readings that will impress your doctor
- Enhanced mobility and comfort as your joints receive more oxygen and nutrients
- Improved intimacy and performance through better blood flow to all areas of the body
- More restful sleep and waking refreshed, not groggy
- A sense of youth and vitality as your brain and body receive optimal oxygen and nutrients
90-Day “Down to the Last Lozenge” Guarantee
About Dr. Greg Eckel
Dr. Eckel is a Naturopathic Physician with more than 23 years of experience in Integrative and Regenerative Medicine.
He is the founder of bVital, where he practices his unique combination of naturopathy, Chinese Medicine, and cutting-edge technologies. He has a track record of success with difficult cases, and patients fly in from all over the world to see him.
He has been featured on major networks such as ABC, NBC, and FOX, and is the author of the book “Shake it Off: An Integrative Approach.”
Dr. Eckel has served as the President of the Board of Naturopathic Medical Examiners.
Customer Testimonials
“This supplement works very good. I could feel the results within a couple days. So much easier to get a deeper breath now.”
– Randy W.“I’m 76 years old my blood pressure went from 140 over 80 to 110 over 68. This is a big deal.”
– Merlin K.“Feeling fresh and lively after taking CircO2. More energy and stamina.”
– James M.“This product has increased my energy levels greatly. My mindset has improved and my concentration levels are much better. Easy to take and a pleasant taste.”
– Sherrolyn E.Guarantee
Try CircO2 Risk-Free with Our 90-Day Guarantee
We’re so confident CircO2 will transform how you feel, we offer a “Down to the Last Lozenge” guarantee.
If you’re not completely satisfied for any reason, simply return the box – even if it’s empty – within 90 days for a complete refund.
Choose the number of boxes you will order today. It’s entirely up to you, but we suggest you order at least 3 boxes. You’ll save $15. And we’ll cover the cost of shipping, too!
Since you can try CircO2 for almost 90 days, 100% RISK FREE, you have absolutely nothing to lose … and everything to gain!
Plus, once you feel the CircO2 difference, you’ll understand why people don’t ever want to run out.
Still Undecided?
Here are some of the top questions people have about CircO2…
Is CircO2 safe?
CircO2 is made with natural ingredients in a GMP-certified facility and is designed for daily use. As with any supplement, if you take prescription medication or have a medical condition, show the label to your doctor first.
How long will it take for me to know it’s working?
Many people report noticing a difference within the first few days. In clinical testing, the lozenge format raised nitric oxide levels within 20 minutes of use.
I already have tons of energy and my blood pressure is fine. How can CircO2 help me?
Nitric oxide supports circulation, oxygen delivery, brain function, and recovery. Even if you feel great today, nitric oxide levels naturally decline with age — CircO2 helps you maintain healthy levels going forward.
I read that using antiseptic mouthwash and fluoride toothpaste stops my body from making nitric oxide. Should I stop using them?
Antibacterial mouthwash can reduce the oral bacteria involved in the nitrate-to-nitrite pathway. Many people simply avoid using antiseptic mouthwash right before or after taking their lozenge. Talk to your dentist about what’s right for you.
Do I need to take it twice a day?
Follow the directions on the label. Many long-time users take one lozenge in the morning and one later in the day, but your needs may differ.
Do I have to let the lozenge dissolve completely in my mouth?
Yes. The lozenge is designed to dissolve on the tongue so the ingredients can interact with the oral bacteria that begin nitric oxide production. Don’t chew or swallow it whole.
Caffeine and energy drinks give me the shakes. Will that happen if I take CircO2?
CircO2 contains no caffeine and no harsh stimulants. It supports energy by improving circulation and oxygen delivery rather than by stimulating the nervous system.
Where can I get CircO2?
CircO2 is available exclusively through the official order page below. It is not sold in retail stores.
Try CircO2 Risk-Free and Save
Choose the package that’s right for you.
Sample Option
1 Box
- Standard pricing
- Shipping calculated at checkout
Every purchase is protected by our ABN™ 100% Satisfaction Guarantee. If you are unsatisfied for any reason, return it within 90 days for a full refund. You only pay return shipping.
Best Value
3 Boxes
- Instant Savings: $15.00
- Free Shipping
Every purchase is protected by our ABN™ 100% Satisfaction Guarantee. If you are unsatisfied for any reason, return it within 90 days for a full refund. You only pay return shipping.
Best Deal
6 Boxes
- Instant Savings: $50.70
- Free Shipping
Every purchase is protected by our ABN™ 100% Satisfaction Guarantee. If you are unsatisfied for any reason, return it within 90 days for a full refund. You only pay return shipping.
CircO2 Reviews
I have been taking Circ for a few years now great improvement on my blood pressure.
I’ve tried many nitric oxide supplements. This one is by far the BEST! I Love your product and will be taking it forever. It restores blood flow FAST — great for lovemaking.
I have been using CircO2 for about three years. I take it twice a day and am very happy with the results. I find that I have more energy during the day.
I am never without CircO2! It makes me feel balanced without any harsh ingredients. It is an oxygen booster with circulation support. I'm 80 years old and start my day with CircO2!
Since taking CircO2 I have noticed increased energy and stamina.
I've been taking CircO2 for about 6 months. I've noticed a boost of energy in my work outs and throughout my entire day. I have recommended CircO2 to friends of mine. Thank you for the boost — also the energy boost is noticeable in less than a half hour. Ramiro
* Above are actual reviews from our customers. These customers’ statements may not reflect the typical purchaser’s experience and are not intended to represent or guarantee that anyone will achieve the same or similar results. The reviews should not be taken as the results a typical user will get. Your results may vary.
Disclaimers
Dr. Greg Eckel is compensated by Advanced Bionutritionals for his work in endorsing this product.
These statements have not been evaluated by the Food and Drug Administration. This product is not intended to diagnose, cure, or prevent a disease.
Copyright © 2025 Advanced Bionutritionals, LLC.
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