Nitric Oxide & Circulation
Helps relax and widen vessels for smoother flow
- L-Citrulline1,000 mg
- L-Arginine500 mg
- Beet Root Extract (10:1)150 mg
- Pomegranate Extract (40% ellagic acid)100 mg
Official CardioC2® Website · 2026 Authorized Source & Batch Verification
Welcome to the Cardio C2 official website, the authorized home of CardioC2 by Halcombe Wellness. If you are over 45 and dealing with fatigue, brain fog or cold hands and feet, your circulation may already be in quiet decline. CardioC2 is the doctor-developed formula built to help flush the hidden culprit and get your blood flowing the way it used to.
Scientific discovery from the University of Konstanz, Germany
For decades the focus was on what we eat. Then researchers at the University of Konstanz turned their attention to a ring-shaped molecule called beta-cyclodextrin. In laboratory work it showed a remarkable ability to bind cholesterol and support the body's own process of clearing the sticky residue that narrows arteries over time. That mechanism, paired with proven nitric oxide nutrients, is the foundation of CardioC2.
Standard blood panels rarely catch the early narrowing that leaves you tired, foggy and cold in the extremities. CardioC2 takes a different route: it supports the gentle clearing of buildup while feeding your vessels the raw materials they need to relax, widen and carry oxygen-rich blood where it belongs.
The formula, on three pillars
Each pillar targets one part of healthy blood flow. See the full label with exact dosages on the ingredients page.
Helps relax and widen vessels for smoother flow
The University of Konstanz cyclodextrin angle
Fuel for the hardest-working muscle you own
Authorized distribution portal
cardioc2official.com is the authorized manufacturer distribution portal for CardioC2™ for the 2026 production cycle, the primary point of reference for batch documentation, product verification, and order fulfillment.
Our promise
CardioC2 was built by a clinical formulator who insisted on transparent, meaningful dosages rather than fairy dust. You can read every milligram before you buy.
Every production run is screened by Halverson Bioanalytics, LLC, an independent ISO/IEC 17025 lab, for identity, potency, heavy metals and microbials before it ships.
We sell CardioC2 only through this authorized portal so you always know the source, the batch and the price. No grey-market resellers.
Choose your supply
Backed by a 90-day money-back guarantee. The 90 and 180-day supplies include two free bonus guides and free U.S. shipping.
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180-Day Supply · Best Value

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Save up to $426 on the 180-day supply. Orders ship within 1 business day. Average U.S. delivery 3 to 6 business days. Every order ships from the authorized Q2 2026 production batch verified on our product verification page.
What customers say
My hands and feet used to be cold all the time. About five weeks in, that's mostly gone and my afternoon energy is back. I take it with breakfast and forget about it.
I was skeptical about another heart supplement, but the lab batch info on this site is what made me trust it. Three months in and my walks feel easier.
Noticeable difference in stamina on the bike. Took about three weeks. Wish the single bottle had free shipping, but the 6-pack price is fair.
Blood flow is the unsung hero of how you feel every day. When circulation is strong, oxygen and nutrients reach your brain, muscles and organs on demand. You think clearly, recover quickly and stay warm to the fingertips. When it slips, the symptoms are easy to blame on age: the mid-afternoon crash, the foggy mornings, the cold feet at night, the legs that tire on the stairs. Most of us never connect those dots to the vessels carrying our blood.
The vessels themselves are the issue. With the years, the smooth inner lining of an artery can stiffen and accumulate residue, and the body produces less of the nitric oxide that tells vessels to relax and open. The channel narrows, pressure rises, and every cell downstream gets a little less than it needs. CardioC2 is built to work on both sides of that equation at once.
The beta-cyclodextrin at the heart of the formula reflects the University of Konstanz research into how a simple ring-shaped molecule can bind cholesterol and support the body's natural housekeeping of arterial residue. Paired with aged black garlic and a measured amount of red yeast rice, it forms the clearing pillar of the formula, the part designed to help tidy what has accumulated.
Clearing alone is not enough if the vessels cannot open. That is the job of L-citrulline and L-arginine, two amino acids the body turns into nitric oxide, supported by nitrate-rich beet root and polyphenol-rich pomegranate. Together they help vessels relax and widen so the freshly cleared channels can actually carry more blood. Hawthorn berry and CoQ10 round it out by supporting the heart muscle and the cellular energy that keeps it pumping.
A formula is only as trustworthy as the bottle in your hand. That is why Halcombe Wellness channels CardioC2 through a single authorized distribution portal for each production cycle. One channel means one verified batch, one Certificate of Analysis, one honest price and a clear chain of custody from the lab to your door. It also makes counterfeits easy to spot: if the seller is not this portal, it is not the authorized 2026 supply. You can match the batch printed on your bottle against the record on our verification page in under a minute.
None of this is a promise to cure anything. CardioC2 is a dietary supplement that supports healthy circulation, energy and heart function as part of a sensible routine. Read the science behind the formula, check the exact dosages, and decide for yourself with the full picture in front of you.
Try CardioC2 for a full 90 days. If you do not feel the difference in your energy and circulation, send it back for a refund of the purchase price. That is how confident we are in the formula.