Edited by Michael Anderson, Editor-in-Chief
Updated
CircO2 Nitric Oxide Booster Price (2026): Cheapest Way to Buy
Three bundles, three price points — and only one of them actually matches the timeline your vascular system needs. Here's the honest math: cost per box, cost per day, what's included, and which package fits what you're trying to achieve.
$41.50/box on the 6-box bundle — the best math for the full evaluation window.
In This Article
Best Deal Today
CircO2 comes in three bundles, and the math is straightforward. $49.95/box for a single box — the 30-day "let's see if I like this" option. $44.95/box for 3 boxes — the 90-day "let's actually test this properly" option, with free shipping and $15 instant savings. And $41.50/box for 6 boxes — the 180-day "I'm committing to this" option, free shipping, $50.70 savings, and the lowest per-day cost at $1.38. At $1.38–$1.67 per day, you're paying about the cost of a small coffee — for the molecule that quietly powers your circulation, energy, and mental clarity. All three bundles are covered by the 90-day "Down to the Last Lozenge" guarantee — return even an empty box for a full refund.
THE CORE PROMISE
What you're really paying for: the molecule that powers everything from your energy to your blood pressure to your clarity, restored daily. Most "nitric oxide" supplements lose 75% of their potency to digestion — and stop working after age 45. The CircO2 lozenge skips that entirely: it activates NO production in your mouth, the way MIT scientists discovered the process actually starts. Result: a 200% NO boost in 20 minutes — daily, with one lozenge under the tongue. That's the whole promise.
1. Current Pricing for the 200% NO Restoration Lozenge
| Supply | 1 Box | 3 Boxes | 6 Boxes |
|---|---|---|---|
| Per Box | $49.95 | $44.95 | $41.50 |
| Cost per Day | $1.67 | $1.50 | $1.38 |
| Shipping | + Shipping | Free | Free |
| Instant Savings | — | $15.00 | $50.70 |
| Badge | Sample Option | Most Popular | Biggest Savings |
| Guarantee | 90-day | 90-day | 90-day |
| Covers Timeline? | Tolerance test | Full evaluation | Full + maintenance |
2. Which Package Makes Sense
1 Box ($49.95, Sample Option) — Tolerance test. A 30-day window only gives you the initial circulation lift (warmer hands by week 1) and starts the energy improvements. Not enough to evaluate the deeper benefits (mental clarity, BP readings, stamina). Best for: users who want to verify the lozenge format works for them before committing.
3 Boxes ($44.95/box, Most Popular) — Full evaluation. 90 days covers the complete benefit curve through warmer circulation, daily energy, cognitive lift, and the start of blood pressure improvements. By end of box 3, you’ll know definitively whether CircO2 works for your body. Free shipping + $15.00 savings.
6 Boxes ($41.50/box, Biggest Savings) — Recommended. 180 days covers the full evaluation window AND the maintenance phase where the new vascular baseline stabilizes. At $1.38/day, it’s the lowest per-day cost. Free shipping + $50.70 savings + the longest compound runway. For users serious about restoring nitric oxide levels, this is the math.
Cost perspective vs alternatives: At $1.38–$1.67/day, CircO2 sits in line with other premium-quality nitric oxide products and well below a NAD+ IV at a wellness clinic (~$400–800 per session). It’s not the cheapest beet-root powder you can find on Amazon — but those don’t have the lozenge format, the MIT-research-based delivery, or the 90-day guarantee on a verified product chain.
3. What's Included with Every Order
Regardless of bundle:
- The number of boxes per the bundle (30 lozenges each, 30-day supply)
- 90-day money-back guarantee (“Down to the Last Lozenge” — covers an empty box)
- Secure SSL checkout (Norton Secure + Digistore24 verified)
- Free US shipping on 3-box and 6-box bundles
- Order confirmation email with tracking
- Direct customer support from Advanced Bionutritionals
- Free test strips (depending on current promotion)
What’s NOT included: No auto-renewal subscription, no recurring billing trap, no hidden fees. Single-purchase model — buy what you need, when you need it.
Pricing Options for CircO2 Nitric Oxide Booster
CircO2 is available in three bundle options. Most users choose the 6-box bundle because the daily lozenge habit builds cumulative effect — and the per-day cost drops to $1.38. The "Biggest Savings" 6-box bundle locks in $41.50 per box, includes free shipping, and saves $50.70 vs single-box pricing.
1 Box
30-Day Supply
- 90-day Money-Back Guarantee
- Secure Checkout
6 Boxes
180-Day Supply
- 90-day Money-Back Guarantee
- Free US Shipping
- Instant Savings $50.70
Save $50.70
Shop Now3 Boxes
90-Day Supply
- 90-day Money-Back Guarantee
- Free US Shipping
- Instant Savings $15.00
Save $15.00
Shop NowEvery order is backed by a 90-day money-back (Down to the Last Lozenge). Only available through the official website.
Frequently Asked Questions
Why is the 6-box bundle the recommended option?
Three reasons: (1) lowest per-day cost at $1.38, (2) covers the full 180-day window where compound benefits (stamina, BP readings, vitality baseline) actually build, and (3) free shipping + $50.70 instant savings vs single-box pricing. Nitric oxide restoration is a daily-consistency game — running out and reordering interrupts the baseline. For serious evaluation + maintenance, 6 boxes is the math.
Is there a subscription option or auto-renewal?
No — CircO2 uses a one-time purchase model. There's no auto-renewal, no recurring billing, and no hidden fees. You buy the bundle you want, and that's the end of the transaction. If you want more later, you order again from the official site.
What does the 90-day "Down to the Last Lozenge" guarantee cover?
Even an empty box. Within 90 days of purchase, you can return the box(es) for a complete refund regardless of how much you've used. The manufacturer covers the refund; you cover return shipping. This is significantly more generous than the typical 30-day "must be unopened" guarantee most supplements offer — and reflects manufacturer confidence in the product holding up under real use.
Continue your research
- Validate: Pros and cons — real buyer verdict before committing
- Then commit: Official website — verify authentic source
- Compare: Advanced Mitochondrial Formula — sibling muscle-and-energy product pricing
- Deep dive: Does it actually work? — week-by-week timeline
Research & Transparency
This content is based on publicly available ingredient research, manufacturer disclosures, and product labeling. We are not affiliated with the manufacturer.
(a) Nitric oxide and aging — declining endothelial production. PMC3168675
(b) Dietary nitrates and oral bacteria — the entero-salivary nitrate-nitrite-nitric oxide pathway. PMC2731686
(c) L-citrulline vs L-arginine supplementation for nitric oxide and vascular function. PMC5598028
(d) Beetroot juice supplementation, blood pressure, and exercise performance. PMC5409708
About the Author
James Mitchell is a contributor at The Supplement Post focusing on men's health, circulation, and performance-support supplementation. He covers prostate and urinary flow support, nitric oxide for both vascular and athletic output, mitochondrial energy, and recovery formulas. He specializes in analyzing how ingredients align with cellular bioenergetics and practical buyer considerations — including how to judge a supplement fairly over a realistic timeline. James Mitchell is not a medical doctor. He analyzes publicly available research and regulatory guidance to provide evidence-aware, consumer-friendly summaries for adults exploring vitality, circulation, and performance support options.
Disclosure
All content is for informational purposes only and is not a substitute for professional medical advice. Each product reviewed is a dietary supplement, not a prescription drug. Results may vary based on individual health status, consistency of use, and lifestyle. This page may contain affiliate links — if you purchase through them, we may earn a small commission at no additional cost to you. Read our Editorial Policy.