We’ve compiled a list of the most often asked questions in regards to Cankerex™ below. This will not only help clarify any concerns you may have regarding usage instructions and benefits, but also assist you in making a choice to start treating your canker sores today.

Call Center

Our customer support team is also here to answer any additional questions you may have. You may reach us:

Toll Free at
Monday to Friday 8:00am to 8:00pm EST
Saturday and Sunday 9:00 am to 6:00pm EST
Email: support@cankerex.com


Q. What Makes Cankerex™ The Highest Rated Relief For Canker Sores Today?

A: Cankerex™ uses a scientifically proven set of powerful dual-action response triggers, using only natural ingredients, to relieve uncomfortable symptoms and promote prevention. When brought together, this formula may provide pain relief, promote healing and enhance prevention using high-quality ingredients in a balanced formula.


Q. Where Does Cankerex™ Come From?

A: Formulated with highly effective, natural and balanced ingredients, Cankerex™ uses a scientific formula that may support in relieving your canker sore suffering. Cankerex™ works to also support the immune system to boost vitamin and mineral deficiencies from the inside out, leveraging the powerful combination of all the natural soothe and boost ingredients.


Q. How Can I Be Sure Cankerex™ is Safe?

A: Cankerex™ is manufactured in a cGMP Certified laboratory in the USA. Moreover, Cankerex™ is constantly being tested to ensure it's safe to use. The product is a 100% all natural with no additives, preservatives, or artificial ingredients.


Q. Who Should Not Take Cankerex™

A: Patients who are nursing, pregnant, who are taking other medications, or with previous health conditions, should consult a doctor or physician first before using any supplements including Cankerex™.


Q. Where Else Can I Purchase Cankerex™?

A: Cankerex™ can be purchased directly from our website as well as on Amazon. By supporting the entire supply chain we can guarantee you maximum efficacy in every bottle.

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Formulated To Relieve Your Canker Sore Suffering & Get Rid Of Them For Good

Cankerex™ is formulated to provide canker sore relief and prevent new outbreaks - fast! If at any time you are unsatisfied with a product you purchased from us, you may return any opened & unopened bottles within sixty (60) days for a full refund of the returned bottles, not including shipping.