Antonio A.
Company is amazing to deal with!
Company is amazing to deal with!

At Cleriva, we create science-backed solutions that unlock the power of better breathing for deep sleep, laser focus, and lasting energy. Our mission is to elevate your quality of life by making better health effortless so you can feel your best every day.
Cleriva (cleriva.com) has 338 customer reviews on Five Star Index, with an average rating of 4.6 out of 5.
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338 approved reviews, newest moderated first
Antonio A.
Company is amazing to deal with!
Tomislav
Excellent communication with Company when I had some issues. Product is good.
Mr. M.
Product arrived quickly and as described. Package was nicely put together. The device functioned as described on their website. Unfortunately for myself it didn't help resolve my issues. I contacted customer service for a refund query. They were quick to reply and issue a refund while providing support as needed. Customer support is solid and people should feel safe in trusting this companies promises.
Ferny M.
Fast replies and very professional.
Kyle N.
Good customer service and able to rectify my issue.
james E.
Coney handed my complaint which had nothing to do with Cleriva, they handled my request very professionally and promptly. Truly one of the best customer service I've had.
kamalsteve K.
What they don’t tell you is the whole list of contradictions so you can’t use the devise such as if you get dizzy spells, nose bleeds, have a deviated septum etc, so it’s useless for me and then tying to get a refund is a waste of time as the email is rejected by their server
Response from ClerivaMay 8, 2025
Hi kamalsteve, we sincerely apologize for your negative experience and any miscommunication from our end. Our intention is never to withhold important information, and we appreciate your feedback regarding the device's usage limitations, we will certainly take steps to ensure clearer communication in the future. Regarding your refund, please reach out to us directly at [email protected], and we will promptly assist you. We offer full refunds for customers who are unsatisfied with their purchase, and we are committed to resolving this matter swiftly for you.
Alex H.
What made this experience great for me personally is that I suffer from major breathing issues and back issues. Nothing helped for my back until I tried red light therapy. Now I can actually live a good life with a lot less pain. I can't breathe well at all (Chronic Sinitus, and one nose surgery that ended badly.) So when I saw this product I was down to at least try it. After using it It has not only help the healing process for my scar tissue in my nasal cavity and nasal wall, but It helps me with get mucus out rather easier and as well as sore throat. This device Is really neat and Im grateful for It. I use this on the daily.
Response from ClerivaMay 8, 2025
We're delighted to hear that NovaFlow has been beneficial for you Alex! Many of our customers have similarly shared experiences of trying countless other solutions without success, and we're thrilled that you've found relief with NovaFlow. If you haven't already, please consider sending a photo review to [email protected], we'd love to offer you a 50% rebate as a thank you. Thanks again for sharing your positive experience!