New research reveals your body produces 75% less nitric oxide by age 70. Here's how a simple lozenge can reverse it in minutes.
There's a tiny molecule inside your body that scientists call "the youth molecule." Its real name is nitric oxide, and it keeps your blood vessels open, flexible, and flowing freely.
The problem? Your body's natural production of this molecule starts collapsing around age 40. By the time you reach 70, you're making just a fraction of what you did in your 20s.
That decline shows up in ways most people blame on "just getting older":
For decades, supplement makers assumed nitric oxide production started in the stomach. They were wrong.
Researchers at MIT identified that the very first — and most critical — step happens in your mouth. Specific bacteria living on your tongue convert dietary nitrates into the nitric oxide your blood vessels depend on.
This is why a lozenge that dissolves directly on the tongue can do what pills and capsules simply cannot. Clinical testing of this approach shows nitric oxide levels rising rapidly within minutes.
Walk into any vitamin store and you'll see shelves of nitric oxide products. Most fall into three categories — and all three have a fatal flaw.
Loses up to 75% of its potency during digestion. Multiple studies show it becomes largely ineffective after age 45.
You'd need 2–3 pounds of beets every single day. Nitrate content varies wildly depending on soil quality.
Bypass the mouth entirely and head straight to the stomach — missing the crucial first step of nitric oxide production.
Dissolves directly on your tongue. Delivers a 200% nitric oxide boost in about 20 minutes. Works at any age — even after 70.
Every ingredient was selected for one purpose: to restore healthy nitric oxide levels and the circulation that depends on them.
Olympic athletes use it for stamina. Naturally rich in dietary nitrates.
Used for centuries to support heart health and healthy blood pressure.
Converts to arginine — then nitric oxide — far more efficiently than L-Arginine alone.
Methylcobalamin form — the most absorbable. Supports energy and healthy nerves.
Protects nitric oxide molecules from breaking down too quickly.
Helps relax blood vessels so blood can flow more freely.
| Ingredient | Amount | % DV |
|---|---|---|
| Vitamin C | 100 mg | 111% |
| Vitamin B12 (Methylcobalamin) | 1000 mcg | 41,667% |
| Magnesium | 4 mg | 1% |
| Beet Root Powder | — | † |
| Hawthorn Berry Extract | — | † |
| L-Citrulline | — | † |
| Sodium Nitrite | — | † |
† Daily Value not established.
"Feeling better than I have in 10 years. My energy is back."
"No more cold feet at night. I can finally sleep comfortably."
"My doctor noticed my blood pressure improved at my last checkup."
Always consult your doctor first. The ingredients are natural, but if you take prescription medication — especially for blood pressure — your physician should review it with you.
Clinical testing shows nitric oxide levels rise about 200% within 20 minutes of taking a lozenge. Most users report noticeable improvements in energy and circulation within 1–2 weeks of daily use.
Place one quick-dissolve lozenge on your tongue once per day. Let it dissolve completely — don't chew or swallow it whole. That's the whole routine.
CircO2 is only available through the official website. This ensures freshness, full potency, and the manufacturer's money-back guarantee.
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Join thousands of adults over 50 who've rediscovered their energy, circulation, and vitality with CircO2.
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