Any last questions?
When will I feel a difference? +
Nitric oxide rebuilds gradually. Many people notice subtle changes — steadier energy, warmer hands — in the first week, with more noticeable shifts between weeks 2 and 4. That's why we recommend starting with at least a multi-bottle supply.
How do I take CircuFlow? +
Two capsules in the morning with water. We recommend morning dosing because the sustained nitric oxide can keep some people feeling energized — taking it late may affect sleep.
Is it safe with my medication? +
CircuFlow is a dietary supplement, not a medication. Because it supports healthy blood flow, if you take blood pressure medication or any prescription, talk to your physician before starting so they can monitor your numbers.
How is this different from beet juice or arginine? +
Beet root and ordinary arginine work around your circulation through short-lived pathways — beets last about 2 hours, plain arginine breaks down in around 30 minutes. CircuFlow's Nitrosigine reaches the vessel wall intact for up to 6 hours, and the S7 blend raises your own output up to 230%.
Will I get locked into a subscription? +
No. Every bundle is a one-time purchase by default. If you choose Subscribe & Save, you can skip or cancel anytime — no surprise charges, no account to fight with.
What if it doesn't work for me? +
You're covered by our 30-day money-back guarantee. If you don't feel a difference, email us within 30 days and we'll refund every dollar — even an opened bottle.
Last updated: June 2026
Welcome to CircuFlow. By accessing trycircuflow.com or placing an order, you agree to these Terms of Service. Please read them carefully.
Eligibility
Our products are intended for adults 18 years of age or older. By purchasing, you confirm that you are at least 18 and that the product is for your personal use.
Product & Health Disclaimer
CircuFlow is a dietary supplement, not a drug. These statements have not been evaluated by the Food and Drug Administration. This product is not intended to diagnose, treat, cure, or prevent any disease. If you are pregnant or nursing, have a medical condition, or take any medication — especially blood pressure medication — consult your doctor before use. Discontinue use and seek medical advice if you experience any adverse reaction.
Orders & Pricing
All prices are listed in U.S. dollars and may change at any time. We reserve the right to refuse or cancel any order, including for suspected fraud or pricing errors. Promotional offers (such as Buy One Get One) apply only as described at the time of purchase.
Intellectual Property
All content on this site — including text, images, logos, and design — is the property of CircuFlow and may not be reproduced without permission.
Limitation of Liability
To the fullest extent permitted by law, CircuFlow is not liable for any indirect, incidental, or consequential damages arising from the use of our products or website. Your sole remedy is described in our Refund Policy.
Contact
Questions about these terms? Email us at support@trycircuflow.com.
Last updated: June 2026
Our Guarantee
We stand behind CircuFlow. If you're not satisfied, you may request a refund within 30 days of delivery — even on opened bottles.
How to Request a Refund
Email support@trycircuflow.com with your order number and a brief note. Our team will respond and process your request — no need to ship anything back; you can keep the product.
Processing
Approved refunds are issued to your original payment method within 5–10 business days. Depending on your bank, it may take a few additional days to appear on your statement.
Damaged or Incorrect Items
If your order arrives damaged or you received the wrong item, contact us within 7 days of delivery and we'll make it right at no cost to you.
Subscriptions
You can cancel a subscription anytime before your next billing date to avoid being charged. See our Subscription Policy for details.
Last updated: June 2026
Your privacy matters to us. This policy explains what information we collect and how we use it.
Information We Collect
- Contact and shipping details you provide (name, email, address, phone).
- Order and payment information, processed securely by our payment providers.
- Usage data such as pages visited, collected through cookies and analytics.
How We Use It
We use your information to process orders, manage subscriptions, provide support, prevent fraud, and — with your consent — send marketing emails you can opt out of at any time.
Sharing
We share information only with the service providers needed to run our store, such as payment processors, shipping carriers, and subscription/discount apps. We do not sell your personal information.
Data Security
We use industry-standard safeguards to protect your data. Payment details are handled by PCI-compliant processors and are never stored on our servers.
Your Rights
You may request access to, correction of, or deletion of your personal information by emailing support@trycircuflow.com.
Last updated: June 2026
Processing Time
Orders are processed within 1–2 business days. Orders placed on weekends or holidays begin processing the next business day.
Shipping Times
Standard U.S. shipping typically takes 5–10 business days after processing. Delivery times are estimates and may vary due to carrier or weather delays.
Rates & Tracking
Shipping rates are calculated at checkout. Once your order ships, you'll receive a confirmation email with tracking so you can follow it to your door.
Shipping Protection
At checkout you can add Shipping Protection to cover your order against loss, theft, or damage in transit. If a protected order is lost or damaged, contact us and we'll replace it or refund it.
Where We Ship
We currently ship within the United States only.
Questions
Email support@trycircuflow.com for help with any shipment.
Last updated: June 2026
How It Works
Subscribe & Save delivers CircuFlow to you on a recurring schedule at a discounted price. Your card is charged automatically each cycle, and your order ships on the same schedule.
Billing
Your first charge happens at checkout. Each renewal is billed on the same date in your cycle using your saved payment method, at the subscription price shown at signup.
Manage, Skip, or Cancel
You're in full control. Manage your subscription anytime from your account portal — update your address or payment method, skip a delivery, or cancel.
Cancellation Timing
Cancel or skip anytime before your next billing date to avoid being charged for that cycle. Orders already processed cannot be canceled but are covered by our Refund Policy.
Help
Need a hand? Email support@trycircuflow.com.
Last updated: June 2026
Accepted Payment Methods
We accept major credit and debit cards (Visa, Mastercard, American Express, Discover) as well as Apple Pay, Google Pay, and Shop Pay.
Secure Processing
All payments are processed through secure, PCI-compliant providers. Your full card details are never stored on our servers.
Currency & Charges
All transactions are processed in U.S. dollars. One-time orders are charged in full at checkout. Subscription orders are charged at checkout and then on each renewal date.
Failed Payments
If a subscription payment fails, we may retry the charge. If it cannot be collected, the order may be paused until your payment method is updated in your account portal.
Questions
Email support@trycircuflow.com with any billing question.
CircuFlow · Nitric Oxide Blood Flow Support
Who We Are
CircuFlow was created for people who can feel their circulation, energy, and sharpness slipping with age — and want to do something about it without beet juice, prescriptions, or anything that tastes like dirt.
What Makes It Different
CircuFlow stacks four branded, clinically-backed actives — Nitrosigine, the S7 plant blend, Trans-Resveratrol, and BioPerine — in two easy capsules that support nitric oxide for up to 6 hours.
Our Promise
Every order is backed by our 30-day guarantee — if it's not for you, we'll make it right.
A Quick Note
CircuFlow is a dietary supplement. These statements have not been evaluated by the FDA, and the product is not intended to diagnose, treat, cure, or prevent any disease. If you're taking medication — especially for blood pressure — talk to your doctor first.
Say Hello
We'd love to hear from you: support@trycircuflow.com.